Islands of Sri Lanka (ශ්‍රී ලංකාවේ දූපත්)

Sri Lanka, officially known as the Democratic Socialist Republic of Sri Lanka, is an island country located in South Asia. The country is renowned for its beautiful islands and coastal areas. Here are some notable islands of Sri Lanka:

  1. Sri Lanka Main Island: The main island of Sri Lanka. It is the largest and most populous island in the country, covering an area of around 65,610 square kilometres.
  2. Mannar Island: Located in the northern part of Sri Lanka, Mannar Island is connected to the mainland by a causeway. It is known for its rich biodiversity, including various bird species and marine life.
  3. Jaffna Islands: Situated off the Jaffna Peninsula in the northern part of Sri Lanka, the Jaffna Islands consist of several small islands. Some notable islands in this group include Delft Island, Kayts Island, and Karaitivu Island.
  4. Palk Strait Islands: The Palk Strait separates Sri Lanka from India, and there are several islands within this strait. Some of these islands include Neduntivu (Delft Island), Nainativu, and Talaimannar.
  5. Kalpitiya Islands: Located on the northwestern coast of Sri Lanka, the Kalpitiya Islands are a group of islands known for their scenic beauty and water sports activities. They include Wilpattu Islands, Baththalangunduwa Island, and Vellai Island.
  6. Batticaloa Islands: Situated in the eastern part of Sri Lanka, the Batticaloa Islands are a collection of small islands in the Batticaloa Lagoon. Some notable islands in this area include Puliyanthivu Island, Buffalo Island, and Bone Island.
  7. Trincomalee Islands: Trincomalee, located on the northeastern coast of Sri Lanka, is known for its natural harbour and beautiful islands. Pigeon Island, which is a national park, is a popular destination for snorkelling and diving enthusiasts. Other islands in the Trincomalee area include Dutch Island, Great Basses, and Little Basses.
  8. Kalutara Islands: Kalutara is a coastal town located south of Colombo, and it is surrounded by several islands in the Kalu Ganga (river) and the Indian Ocean. These islands, such as Bolgoda Ruskin Island, and Kothduwa Island, are known for their mangrove forests and are ideal for boat rides and birdwatching.
  9. Negombo Islands: Negombo is a coastal city near Colombo, and it is bordered by a lagoon and the Indian Ocean. The lagoon is home to several islands, including Bolawatta Island, Maadam Island, and Hen Island. These islands offer opportunities for fishing, boating, and birdwatching.
  10. Beruwala Islands: Beruwala is another coastal town located southwest of Colombo. It is surrounded by several small islands, such as Barberyn Island, and Crow Island. These islands are known for their scenic beauty and are popular spots for boat tours and fishing.
  11. Madu Ganga Islands: Madu Ganga is a river estuary located in the southwestern part of Sri Lanka, near Balapitiya. It is a complex network of waterways, islands, and mangrove forests. Some of the islands in the Madu Ganga area include Cinnamon Island, Kothduwa Temple Island, and Ma Duwa Island. Boat safaris through the river offer opportunities to explore the islands and observe the diverse flora and fauna.
  12. Adam’s Bridge: Also known as Rama Setu, Adam’s Bridge is a chain of limestone shoals and sandbanks connecting India and Sri Lanka. It consists of small islands and is a subject of cultural and religious significance in Hindu mythology.

These are just a few examples of the islands found in Sri Lanka. The country has a diverse range of islands, each with its own unique characteristics, ecosystems, and cultural significance. Exploring these islands can be a rewarding experience for nature enthusiasts, beach lovers, and history buffs alike.

Islands

NameDistrictDetails
1Bone IslandBatticaloaGPS location : 7.7523, 81.6908
Area : 13,500 square meters (3.33 acres)
Perimeter : 504 meters

The Bone Island was initially named Bone’s Island. This is a barren, uninhabited tiny island pleasantly situated close to the mouth of the Batticaloa lagoon.
2Buffalo IslandBatticaloaGPS location : 7.6916, 81.6973
Area : 4.5 square kilometers (1,115 acres)
Perimeter : 9.41 kilometers

The largest island in the Batticaloa lagoon. Covers 4.5 square kilometers (1,115 acres). Buffalo Island has an elevation of about 5 meters.
3Mantheevu IslandBatticaloaGPS location : 7.7011, 81.6621
Area : 0.38 square kilometers (94 acres)
Perimeter : 5.2 kilometers

Mantivu Island (Mantheevu Island) is situated north of Valayiravu bridge and located between Thimilathivu and Vavunathivu, around 7 km from Batticaloa. It is an island where historically leprosy patients had been isolated. The island is mostly flat but rises slightly from the beach towards the center.
4Nasuvantivu IslandBatticaloaGPS location : 7.936, 81.537
Area : 2.0 square kilometers (500 acres)
Perimeter : 7 kilometers

A small island on the Valaichchenai lagoon. in Batticaloa district. Serayativu has an elevation of 2 meters above sea level. The island is mainly scrubland and cultivated land. It is connected to the mainland by a causeway.,
5Periyativu IslandBatticaloaGPS location : 7.6394, 81.7275
Area : 0.17 square kilometers (41 acres)
Perimeter : 1.73 kilometers

A small island on the Batticaloa lagoon. Periyativu has an elevation of 1 meter above sea level. The island is comprised of small water pools, mangroves and wetlands. Eastern and Western sides of the lagoon is connected through this island.
6Puliyanthivu IslandBatticaloaGPS location : 7.640, 81.727
Area : 1.42 square kilometers (352 acres)
Perimeter : 5.9 kilometers

Batticaloa town including the Batticaloa Fort. Batticaloa’s historical book Mattakalapputh Thamilakam quotes from Swami Vipulananda that Vedda’s chieftain Puliyan ruled the area and his name later adapted to the island. Puliyanthivu literally means “island of Puliyan” (Shiva means island). Also, the book quotes from the Mahavamsa that there was a caste called Pulinthar, which could be the reason for the name of the island. As per the common naming of villages in Batticaloa, which is called by the name of tree and pond, the island could have been using the name of tree tamarind, since there was a lot of tamarind trees in the area. Tamarind is called Puli in Tamil. Literally, it means “island of tamarind”.
7Sallitivu IslandBatticaloaGPS location : 8.1111, 81.4634
Area : 0.03 square kilometers (8.2 acres)
Perimeter : 850 meters

Sallitivu Islet is a highly environmentally sensitive uninhabited island surrounded by a coral reef. After the tsunami, most of the corals had died and now the beach is covered with coral rubble. Connected to the mainland By a narrow sand bar.
8Serayativu IslandBatticaloaGPS location : 7.651, 81.701
Area : 0.53 square kilometers (122 acres).
Perimeter : 2.7 kilometers

A small island in the Batticaloa lagoon.. Serayativu has an elevation of 4 meters. The whole island has been cultivated with paddy. Not inhabited.. The island is completely separated from the mainland.
9Siriyativu IslandBatticaloaGPS location : 7.6350, 81.7318
Area : 0.5 square kilometers (126 acres)
Perimeter : 2.8 kilometers

A tiny rocky island in the Batticaloa lagoon close to Periyativu Island. Covers 0.053 square kilometers (13 acres) and the perimeter is 880 meters. The island is covered in scrub and wetland plants and the island is completely separated from the mainland.
10Barberyn IslandGalleBeruwela Lighthouse is located on Barberyn Island on the southwest coast of Sri Lanka. An exciting 10-minute boat ride from the town of Beruwela will transport you to Barberyn Island,
11Seenigama Devalaya IslandGalleSeenigama Devalaya is a popular island close to Hikkaduwa in Galle District for those visiting the sinister “Devol Deviyo” who is known for the power of placing curses on adversaries.
12Great Basses ReefHambantotaGreat Basses Reef and the Little Basses Reef are two rock formations on the south-east coast of Sri Lanka. Locals call these ‘Maha Ravana’ and Kuda Ravana’ reefs respectively.
13Little Basses ReefHambantotaGreat Basses Reef and the Little Basses Reef are two rock formations on the south-east coast of Sri Lanka. Locals call these ‘Maha Ravana’ and ‘Kuda Ravana’ reefs respectively.
14Analaitivu IslandJaffnaGPS location : 9.6655, 79.7750
A large populated island in Jaffna Peninsula sandwiched in between Nagadeepa Island (Nainativu) and Eluvaithevu approx 25 km from Jaffna town. It covers 5.4 square kilometers (1,333 acres) and perimeter of 10.5 kilometers. Serayativu has an elevation of 4 meters. There are a number of Hindu temples and a few churches on the island. It has no causeway connecting it to the mainland or other islands, but it is served by a ferry service from Kayts on the neighbouring island of Velanaitivu. The Dutch called this island Rotterdam.
15Chirutivu IslandJaffnaChirutivu Island (Siruthivu Island) is a tear-shaped island and covers 0.34 square kilometers (84 acres) having a perimeter of 3.3 km. It is situated 1 km away from the Jaffna mainland and 330 meters away from the Mandativu island. The island is covered by scrublands, mangroves and tidal flats.
16Delft IslandJaffnaThe whole island of Delft is built on coral and limestone. The island is a typical remote Sri Lankan village. Simple houses built of coral and limestone, laid-back life and the most popular form of transport is bicycle.
17Eluvaitivu IslandJaffnaGPS location : 9.7021, 79.8107
Other names : Sinhala : Eluvadoova
A sparsely populated island in Jaffna Peninsula sandwiched in between Analaitivu Island and Kayts. It covers 1.38 square kilometers (341 acres) and perimeter of 7.4 kilometers. Eluvaitivu has a population of 555 (CPH 2012). Eluvaitivu has no causeway connecting it to the mainland or other islands but is served by a ferry service from Kayts on the neighbouring island of Velanaiti. Village-level coordination is undertaken for conservation. Interest in the Polymotu project, because this island is famous for local and migratory birds.
18Kachchatheevu IslandJaffnaKatchatheevu (Kachchativu) is a small 163-acre (0.66 square kilometers), barren, uninhabited island located in the Palk Strait between India and Sri Lanka. It lies right in the center of Rameswaram in India and Delft Island of Sri Lanka with about 20 km on both sides. Despite its small size, the island has a long and complex history connecting Sri Lanka and India.
19Kakkarativu IslandJaffnaGPS location : 9.4421, 79.8904
Other names : Kakeraitivu ; Dutch : Calienye.; Sinhala : Sakkaradoova
uninhabited isolated island in Jaffna Peninsula sandwiched in between Delft Island and Poonaryn. luvaithevu approx 25 km from Jaffna town. It covers 0.14 square kilometers (35 acres) and perimeter of 1.53 kilometers. Serayativu has an elevation of 4 meters. The island is covered mainly with scrub jungle and ideal for Bird watching. There is a fishing village and a church on the island. The island lies 20 km from Mainland (Poonaryn) and 16 km from Punkudutivu.
20Kanantivu IslandJaffnaGPS location : 9.4421, 79.8904
Uninhabited island in Jaffna Peninsula sandwiched in between Kayts Island and Punkudutivu Island. It covers 1.03 square kilometers (255 acres) and perimeter of 4.63 kilometers. The island is covered with natural water pools, scrubland, marshes and mangroves. The island lies in shallow water but there is no causeway connecting to either island by its sides.
21Kannativu IslandJaffnaGPS location : 9.59741, 80.0948
Uninhabited island in Jaffna Peninsula sandwiched in between Kawtharimunai and Ariyalai. It covers 0.17 square kilometers (46 acres) and a perimeter of 3.85 kilometers. Kannativu has an elevation of 1.0 meter. The island is covered with natural water pools, scrubland, and marshes and the surrounding shallow sea is covered by a seagrass bed. This small and long islet is [popular for local and migratory birds. The island lies in shallow water but there is no causeway connecting to either side.
22Karaitivu Island (Karainagar)JaffnaGPS location : 9.7341, 79.8758
Highly populated island in Jaffna Peninsula sandwiched in between Jaffna and Kayts island. It covers 22.3 square kilometers (5500 acres) and perimeter of 21.9 kilometers.

The island of Karaitivu is rooted deep in the Buddhist history. It was called Karadeepa in the ancient times. This island is mentioned in the Akeerthi Jataka (Akitti Jataka) of the 550 Jataka Stories of Buddha where an ascetic named Akeerthi who wanted to be alone, left to a park in Kavirapattana and came to the county of Soli, where dwelling in a park over against Kavirapattana, he cultivated a mystic ecstasy and supernatural faculties. He then travelled through the air and descended at the isle of Kara, which is over against the island of Naga. At that time, Karadipa was named Ahidipa, the Isle of Snakes.

Karaitivu is connected to the peninsula through a 3 kilometer long causeway across the shallow waters. The main town in Karaitivu is Karainagar therefore sometimes this island is also called Karainagar Island.
23Karaitivu Island (Pungudutivu)JaffnaGPS location : 9.6090, 79.8298
Inhabited islet in Jaffna Peninsula wrapped halfway by Pungudutivu Island. It covers 1.1 square kilometers (272 acres) and perimeter of 5.05 kilometers. Low sandy flats, tidal flats and tidal creeks are the salient features. The island is connected to Pungudutivu East and Karaitivu West through causeways.
24Kayts IslandJaffnaGPS location : 9.6567, 79.8962
Highly populated island in Jaffna Peninsula sandwiched in between Jaffna and Kayts island. It covers 65.3 square kilometers (16,100 acres) and perimeter of 55 kilometers.

Known as Urathota (Uruthota) in ancient times, Kayts was a major port in ancient Sri Lanka. According to the Nagadeepa Tamil inscription, during the reign of King Parakramabahu I (1153-1186), Urathota was a special port for Indian merchant ships and the king paid special attention to ships carrying horses and elephants at this port.

Urathota got its name Kayts from the Portuguese. It’s a name derived from “Caes dos Elefantes“. The term means “elephant’s mouth”. The Portuguese came to call this port “Caes dos Elefantes” because Sri Lankan elephants were exported to India through this port. The name “Caes dos Elefantes” was simplified to “Cais“. After the expulsion of the Portuguese and the arrival of the Dutch in Jaffna, the name was further evolved into “Kays” and later to “Kayts“.
25Kurikadduvan IslandJaffnaGPS location : 9.5956, 79.7943
A small populated island connected to the mainland over a causeway to Nadirutivu island. Covers 0.51 square kilometers ( 130 acres) having a perimeter of 3 25 kms. The island is the last of the islands of chains connecting to Jaffna. The busy Kurikadduwan Jetty lies west of the island. This is the primary point of departure for all pilgrims to Nagadeepa and Delft.
26Kuruchaditivu IslandJaffnaGPS location : 9.6533, 79.9913
A small uninhabited islet by the Jaffna – Kayts causeway is just 1.75km away from Jaffna. It Covers 0.05 square kilometers ( 12.3 acres) having a perimeter of 1 km. The island is mainly covered by scrubland and mangroves. During the inter-tidal changing period, tidal creeks, and seagrass beds are salient features.
27Mandaitivu IslandJaffnaGPS location : 9.6176, 79.9943
A small uninhabited islet by the Jaffna – Kayts causeway is just 3 km away from the Jaffna mainland. It Covers 10.7 square kilometers ( 2500 acres) having a perimeter of 21 km. The island is divided into three village officer divisions (Mandaitivu East, Mandaitivu South and Mandaitivu West) whose combined population was 1,524 (CPH 2012). Mandaitivu is connected to the Jaffna peninsula and the neighbouring island of Velanaitivu by a causeway. Tidal and sandy mud flats, and mangroves are salient features of the island. In Sinhala: Mandadoova.
28Mantivu IslandJaffnaGPS location : 9.6057, 80.0724
Uninhabited narrow and long island in Jaffna Peninsula sandwiched in between Kawtharimunai and Ariyalai. It covers 0.32 square kilometers (78 acres) and a perimeter of 5.3 kilometers. Kannativu has an elevation of 5 meters. The island is covered with natural water pools, scrubland, and marshes and the surrounding shallow sea is covered by a seagrass bed. This small and long islet is [popular for local and migratory birds. The island lies in shallow water but there is no causeway connecting to either side.
29Naduturitti IslandJaffnaGPS location : 9.5849, 79.7979
A sparsely populated island which is mostly cultivated land sandwiched between lKurikadduvan Island from the north and Pungudutivu Island from the east in the Jaffna peninsula. It Covers 0..86 square kilometers (120 acres) having a perimeter of 2.85 km. Tidal and sandy mud flats, mangroves and scrubland are salient features of the island.
30Nainativu (Nagadeepa) IslandJaffnaGPS location : 9.6053, 79.7676
Area : 5.32 square kilometers (1313 acres)
Perimeter : 10.56 kilometers
A populated island with mostly cultivated land lying to the west of the Jaffna peninsula. In Sinhalese this island is known as Nagadeepa, This islet is one of the few places that Buddha had visited in Sri Lanka and Nagadeepa Viharaya lies where the jeweled throne of the Naga kings which was donated to Buddha is enshrined. The ferry to this island starts from the Kurikadduvan island jetty.
31Negiyanpititivu IslandJaffnaGPS location : 9.6412, 79.8588
An uninhabited islet with only a church attended by fishermen. It Covers 0.03 square kilometers (7.66 acres) having a perimeter of 1 km. The only access is by a fishing boat. The island lies 1 km west of Jaffna mainland. Tidal and sandy mud flats, mangroves and scrubland are salient features of the island.
Other names : Neriyanpiddi
32Palaitivu IslandJaffnaGPS location : 9.6232, 79.8194
Area : 0.16 square kilometers (40.6 acres)
Perimeter : 1.0 kilometer
Palaitivu Island is located in the Northern Province in Jaffna District adjacent to Pungudutivu Island. The island is connected to Pungudutivu through a narrow sand strip. Tidal and sandy mud flats, mangroves and scrubland are salient features of the island.
33Parititivu IslandJaffnaGPS location : 9.6850, 79.7923
Area : 0.2 square kilometers (48 acres)
Perimeter : 2.8 kilometers
An unpopulated island between Analaitivu Island and Eluvaitivu Island partially cultivated. Tidal and sandy mud flats, mangroves and scrubland are salient features of the island.
34Puliyantivu IslandJaffnaGPS location : 9.6482, 79.7745
Area : 0.41 square kilometers (100 acres)
Perimeter : 2.6 kilometers
An small island connected to Analaitivu Island over a causeway. The island is sparsely populated with most of the land used for cultivation.
35Pungudutivu IslandJaffnaGPS location : 9.586111, 79.827222
Area : 24.45 square kilometers (6,290 acres)
Perimeter : 27.10 kilometers
Pungudutivu is an island south of Tharmakundu, northeast of Perunkadu Pungudutivu has an elevation of about 8 meters. Pungudutivu is a small island composed of a number of villages that is just west of the Jaffna Peninsula in Sri Lankan Tamil dominated Northern Province. It is divided into 12 wards internally, each corresponding to a major settlement. The island was named Middleburg by the Dutch colonial rulers during their occupation of then Ceylon. Most of the residents of the Island are Tamils with the majority being Hindus and a minority of Christians. There are a lot of Hindu temples in this region along with some Christian churches. Nearly 15 Tamil schools exist there for the benefit of the place. Government hospitals and some private clinics are also available. Pungudutivu is connected by road to mainland Jaffna. SLTB and private buses travel through the island, along the Jaffna – Kurikattuvan route. People take a boat from Kurikattuvan to reach Nainativu, which is celebrated for its religious popularity.
36Puvarasantivu IslandJaffnaGPS location : 9.6106, 80.0799
Area : 0.04 square kilometers (10 acres)
Perimeter : 2.0 kilometers
Uninhabited narrow and long island in Jaffna Peninsula sandwiched in between Kawtharimunai and Ariyalai. The island is covered with scrubland, and marshes and the surrounding shallow sea is covered by a seagrass bed. This small and long islet is [popular for local and migratory birds. The island lies in shallow water but there is no causeway connecting to either side.
37Thuruthupiddi IslandJaffnaGPS location : 9.7484, 79.9063
Area : 0.24 square kilometers (58 acres)
Perimeter : 2.0 kilometer
Thuruthupiddi is a small island sandwiched between Jaffna mainland and Karainagar in the Northern Province of Jaffna District. The island is not connected to any other island or land and only access is by a fishing boat. Tidal and sandy mud flats, mangroves and scrubland are salient features of the island. The island is known for observing migratory birds.
38UraitivuJaffna
39Avarampatitivu IslandKilinochchiGPS location : 9.4292, 80.1254
Area : 0.00 square kilometers (0.82 acres)
Perimeter : 0.31 kilometer
Ayarampatitivu is an uninhabited island northwest of Pallanmadu, west of Nawaladi and north of Mandekalar Forest Reserve. It is subjected to tidal inundation. Tidal flats and sea grass beds are salient features.
40Erumativu (1) IslandKilinochchiGPS location : 9.3376, 80.0547
Area : 1.02 square kilometers (252 acres)
Perimeter : 5.27 kilometers
There are two Erumaituvu Islands. One is located in Kilinochchi District and the other is located in North Western Puttalam. The Erumatuvu in Kilinochchi District lies about 350 meters from the mainland and is uninhabited. Interest in the Polymotu project and part of the island could be used to conserve thick mangrove vegetation cover and seagrass beds. during the low tidal level, the tidal flat covers by avifaunal species.
41Iranaitivu North IslandKilinochchiThe Portuguese called these islands “Cardiua” and reported about 600 inhabitants living in these islands (Queyroz et al., 1992). The Dutch called these 2 islands “De Twee Gebrooders” meaning “The Two Brothers” and independently called these islands “Enkhuizen” and “Hoorn” (Anthonisz, 1914). The British just called them “Two Brothers” until about the year 1840 after which they were called “Iranaitivu”. Sometimes it’s written as “Iranativu” (Bassett et al., 1997). The two islands are separately called Iranaitivu West and Iranaitivu South.
42Iranaitivu South IslandKilinochchiThe Portuguese called these islands “Cardiua” and reported about 600 inhabitants living in these islands (Queyroz et al., 1992). The Dutch called these 2 islands “De Twee Gebrooders” meaning “The Two Brothers” and independently called these islands “Enkhuizen” and “Hoorn” (Anthonisz, 1914). The British just called them “Two Brothers” until about the year 1840 after which they were called “Iranaitivu”. Sometimes it’s written as “Iranativu” (Bassett et al., 1997). The two islands are separately called Iranaitivu West and Iranaitivu South.
43Kakkativu IslandKilinochchiGPS location : 9.317108, 80.081082
Area : 1.0 square kilometers (247 acres)
Perimeter : 5.64 kilometers
Called Kaaka Duwa In Sinhala. The island is uninhabited. The Island lies 1.1 km off the mainland between Mannar and Jaffna. It is necessary to conserve thick mangrove vegetation cover and seagrass beds. During the low tidal level, the tidal flat is covered by avifaunal species.
44Palativu IslandKilinochchiGPS location : 9.479104, 80.010234
Area : 2.0 square kilometers (494 acres)
Perimeter : 6.18 kilometers
Called Palu Duwa in Sinhala. The island is uninhabited and is covered in coarse grass and shrubs 15-20 feet high except for the southern part. It is documented that a 31 feet high white tower was in existence in the 1970s on the northeastern edge of the Island. This must have been a survey tower as it was facing the mainland, not the sea. The current status of this tower is unknown.

There is a St. Anthony’s Church on the western coast of the island. The feast of this is popular among the fishermen in the area and is held for 3 days in February each year.
45Kalliaditivu IslandMannarGPS location : 8.950038, 79.911900
Area : 1.8 square kilometers (442 acres)
Perimeter : 5.60 kilometers
Called Gal Adi Duwa In Sinhala. The island is uninhabited. This is one of the 2 islands which lie between Mannar’s main island. The old railway line to Mannar is built across these 2 islands. The northern side of the island consists of mangroves and sea grass beds. Located within the Vankalai Bird Sanctuary, salt marshes, tidal flats and mangroves are the dominant ecosystems observed on Kalliaditivu Island.
46Kilachchitivu IslandMannarGPS location : 8.800042, 79.916776 (?)
Area : 1.71 square kilometers (422 acres)
Perimeter :
The island is uninhabited. Kilachchitivu is an island located in the Northern Province (8°48’0″N, 79°55’0″E). The estimated terrain elevation above sea level is about 1.0 metre. This island is in front of the Aruvi Aru estuary, northwest of Arippu and Puthukkudirippu and west of Arippuveddukulam. Formation and erosion of this island due to the Aruvi Aru river currents. It also affects the tidal levels.
47Mannar IslandMannarMannar is one of the most barren and driest islands of Sri Lanka connected through a 3 km causeway to the mainland. But this was one of the busiest towns in the ancient past when this area (Gulf Of Mannar) was one of the biggest pearl banks in the world, supplying massive amounts of pearls to the kings and queens throughout the world for over 2000 years.
48Puliyantivu IslandMannarGPS location : 8.954767, 79.896463
Area : 0.9 square kilometers (222 acres)
Perimeter : 4.90 kilometers
Called Koti Duwa In Sinhala. The island is uninhabited. This is one of the 2 islands which lie between Mannar’s main island. The old railway line to Mannar is built across these 2 islands. The island consists of mangroves and sea grass beds. Located within the Vankalai Bird Sanctuary, salt marshes, tidal flats and mangroves are the dominant ecosystems observed in Puliyantivu Island.
49Galgodiyana IslandMataraGalgodiyana is an island off Matara lying less than 200 meters off land with ruins of a Stupa and a mystic entrance built with boulders. These structures were built by a Thai prince who had taken up robes in Sri Lanka in the late 19th century.
50Gan Duwa IslandMataraGPS location : 5.967728, 80.433268
Area : 0.004 square kilometers (1. acre)
Perimeter : 259 meters
Called Gan Duwa In Sinhala. This is a small rocky island on Weligama Bay in the South.
51Nilwella IslandMataraGPS location : 5.960596, 80.720509
Area : 0.05 square kilometers (9.1 acres)
Perimeter : 286 meters
A small rocky island off the Nilwella shore. The island is connected by a tombolobeach. to the mainland. A pristine beach runs around this beach
52Parevi DuwaMataraGPS location : 5.941542, 80.549227
Area : 0.036 square kilometers (9.0 acres)
Perimeter : 1 km
A small rocky island off the beach of Matara town. A new Buddhist temple has been built on this island. A steel bridge connects the island to the land and devotees as well as tourists can easily access the temple. The sheer beauty of the temple attracts people of all faiths towards it.
53Taprobane IslandMataraGPS location : 5.967943, 80.425779
Area : 0.004 square kilometers (1 acre)
Perimeter : 242 meters
originally called “Gal Duwa” (Rock Island) in Sinhalese, is a private island with one villa, located just off the southern coast of Sri Lanka opposite the village of Weligama. The island was renamed after the old Greek word for Sri Lanka, by its most famous owner, Maurice Talvande (who styled himself as “Count de Mauny Talvande”), who sighted it around 1925. Today Maurice Talvande’s house is a private villa where you can rent the whole island.
54Yakinige DuwaMataraGPS location : 5.962878, 80.379898
Area : 0.0029 square kilometers ( 0.73 acres)
Perimeter :264 meters
The name means “She Devil’s Island”. Lies 190 meters from the shores of Ahangama. This is a small uninhabited rocky island. According to elders in the village, this has been much larger earlier but has been subject to erosion. During the British era, there was a bridge connecting the island to the shore. It has been used as a shooting target and one time as a guard post during world war II.
55Ambanttativu IslandPuttalamGPS location : 8.211973, 79.766248
Area : 0.195 square kilometers ( 47.8 acres)
Perimeter :3.06 kilometers
The island is called “Sambanda Duwa” (Connected Island) in Sinhalese. It lies 300 meters from the shores of the mainland in the Kalpitiya lagoon. This “C” shaped island is uninhabited and covered in scrub and mangroves. This is one of the 27 islands of Kalpitiya planned to be leased to built resorts by the Government. Four more islands of Kalpitiya Lagoon have already been leased to private entities.
56Erumaitivu Island in Dutch Bay (Eramutivu . Eramativu)PuttalamGPS location : 8.267968, 79.778915
Area : 0.900 square kilometers ( 222 acres)
Perimeter :3.87 kilometers
The island is lies 300 meters from the shores of the mainland in the Kalpitiya lagoon. The island is located ins southwest of Salliyampiddi and southeast of Sinna Erumativu and Oddakarentivu. Erumativu has an elevation of 4.0 metres. Some below 4m level are also covered by mangrove vegetation, and they are covered by inter-tidal level. Similarly, a thick mangrove cover is found in sandy mud flats, seagrass beds, and tidal creeks are the salient features. This is one of the 27 islands of Kalpitiya planned to be leased to built resorts by the Government. Four more islands of Kalpitiya Lagoon have already been leased to private entities. In 2020/21 it was reported that all the approval for the leasing of this island for a hotel project had been obtained and was ready to sign the lease.
57Henativu (Havativu) IslandPuttalamGPS location :7.973993, 79.819728
Area : 1,00 square kilometers ( 24,711 acres)
Perimeter :4.20 kilometers
The island is called Hava Dowa (Rabit Island) in Sinhalese. It is sandwiched between the Kalpitiya peninsula and the mainland. The main road for the land on the lagoon passes through this island over a causeway., The island is dry and barren, mainly used for saltern and prawn farms.
58Ippantivu Island (In Dutch Bay)PuttalamGPS location : 8.331874, 79.804891
Area : 0.704 square kilometers ( 174 acres)
Perimeter :11,4 kilometers
The island is lies 300 meters from the shores of the mainland in the Kalpitiya lagoon. The island is located ins southwest of Salliyampiddi and southeast of Sinna Erumativu and Oddakarentivu. Erumativu has an elevation of 4.0 metres. Some below 4m level are also covered by mangrove vegetation, and they are covered by inter-tidal level. Similarly, a thick mangrove cover is found in sandy mud flats, seagrass beds, and tidal creeks are the salient features. This is one of the 27 islands of Kalpitiya planned to be leased to built resorts by the Government. Four more islands of Kalpitiya Lagoon have already been leased to private entities. In 2020/21 it was reported that all the approval for the leasing of this island for a hotel project had been obtained and was ready to sign the lease.
59Kakativu IslandPuttalamGPS location : 8.179399, 79.749001
Area : 9,572 square meters (2.4 acres)
Perimeter 400 meters
Kakativu is a small mangrove island is east of Pallivasalturai, south of Maripututivu Island. The island is covered by lush mangrove vegetation..
60Karaditivu IslandPuttalamGPS location :7.912878, 79.815363
Area : 0.89 square kilometers ( 204 acres)
Perimeter :4.73 kilometers
The island is called Kara Dowa in Sinhalese. The island is located in a channel between Puttalam Lagoon and Mundal Lagoon. Former tidal channels, scrubland and mangrove swamps were completely converted into shrimp farm ponds.
Karaitivu Island (Kalpitiya Northen End)PuttalamGPS location :8.384427, 79.788079
Area : 50,063 square meters ( 12.4 acres)
Perimeter :1.21 kilometers
Newly developed Sandy Island without any vegetation at the edge of the Kalpitiya point (Uchumunei)
61Karaitivu Island and BattalangunduwaPuttalamGPS location :8.509911, 79.780393
Area : 2.42 square kilometers ( 598 acres)
Perimeter :25 kilometers
This island lies west of the Wilpattu border creating the Portugal Bay. This is a narrow long island stretching from north to south for over 11 kilometers out of which about 5 kilometers is just a sandbar. Baththalangunduwa is one of the few inhabited islands to the north of Puttalam Lagoon. Some are inhabited and the others are completely wild. There are no gravel or tar roads on the island, but narrow sandy paths lined with houses create a convoluted network of routes. The mode of transportation was on portage while bullock carts were employed at times to haul heavy loads such as bring water barrels. Sandy beaches, incipient sand dunes, scrub vegetation and mangrove patches in the middle and to the northward. Bar Reef, the Marine Sanctuary, is a few killometres west and to the northwest, marine mammals, including whales, dugongs, dolphins and porpoises are offshore named Pearl Banks. On the east side of the island in Portugal Bay, a well developed sea grasses cover, and these are significant for fish and bird life as well as maybe dolphins.
62Mantivu Island (Puttalam)PuttalamGPS location :7.932500, 79.820000
Area : 0,5 square kilometers ( 123 acres)
Perimeter : The island is now merged with the mainland and Periyativu island through shrimp farm ponds. The island is called Man Dowa in Sinhalese. The island is located in a channel between Puttalam Lagoon and Mundal Lagoon. Former tidal channels, scrubland and mangrove swamps were completely converted into shrimp farm ponds.
63Maripututivu IslandPuttalamGPS location : 8.175833, 79.749722
Area : 0.145 square kilometers ( 36 acres)
Perimeter :1.55 kilometers
The island is called Maliputhu Dowa in Sinhalese. The island lies in the Dutch Bay in Puttalam Lagoon west of Kakativu, southwest of Somativu and southeast of Pallivasalturai. Maripututivu has an elevation of 3-4 metres. It covers a lush mangrove vegetation cover and its surroundings are rich in tidal flats, tidal creeks and seagrass.
64Mattutivu IslandPuttalamGPS location : 8.217222, 79.783333
Area : 1.09 square kilometers ( 269 acres)
Perimeter : 1.58 kilometers
The island is called Madde Dowa in Sinhalese. This unhabituated island lies east of Wannimundal and Ambantattivu and south of Neduntivu in the Dutch Bay of Puttalam lagoon. Mattutivu has an elevation of 3.0 metres. It is possible to identify the island chain including the main Mattutivu island. It is covered by a lush mangrove vegetation cover and other surroundings are rich in tidal flats, tidal creeks and seagrass.
65Neduntivu Island (Puttalam Lagoon)PuttalamGPS location : 8.235461, 79.779050
Area : 0.1 square kilometers ( 24 acres)
Perimeter : 1.47 kilometers
The island is called Medun Dowa in Sinhalese. This unhabituated island lies south of Kilitivu and southeast of Pambativu and Thotakadu. In Dutch Bay. It is subjected diurnal tidal flow pattern between Dutch Bay and Portugal Bay. Sandy shoals, lush mangrove vegetation patches, and seagrass beds are salient features. This is one of the 27 islands of Kalpitiya planned to be leased to built resorts by the Government. Four islands of Kalpitiya Lagoon have already been leased to private entities.
66Oddakarentivu IslandPuttalamGPS location : 8.276907, 79.764672
Area : 0.145 square kilometers ( 36 acres)
Perimeter :1.55 kilometers
The island is called Oththan Dowa in Sinhalese. The island lies in the Dutch Bay in Puttalam Lagoon and is west of Sinna Erumativu, northwest of Erumativu and east of Mutwal. Oddakarentivu has an elevation of 5.0 metres. On this island, a good cover of mangrove vegetation can be seen. Mudflats, tidal creeks and intertidal seagrass are impressive features.
67Periya Arichchal IslandPuttalamGPS location : 8.299312, 79.796183
Area :0.44 square kilometers ( 109 acres)
Perimeter :8.0 kilometers
The island is called Maha Arakgala Dowa in Sinhalese. The island lies in the Dutch Bay in Puttalam Lagoon and is north of Sinna Arichchal, Salliyampiddi and east of Karamuna. Periya Arichchal has an elevation of 1.0 metres with tidal pools/micro-level lagoons. Sand strips, mangrove vegetation, sea grass beds, tidal mud flats and creeks are the features. Located in Dutch Bay. This island is ready to be leased for a hotel for USD 17 million
68Periyativu IslandPuttalamGPS location :7.947000, 79.815611
Area : 1.30 square kilometers ( 321 acres)
Perimeter :The island is now merged with the mainland and Mantivu island through shrimp farm ponds
The island is called Maha Dowa in Sinhalese. The island is located in a channel between Puttalam Lagoon and Mundal Lagoon. Former tidal channels, scrubland and mangrove swamps were completely converted into shrimp farm ponds.
69Pullupiddi IslandPuttalamGPS location : 8.189280, 79.777738
Area : 0.145 square kilometers ( 36 acres)
Perimeter :1.55 kilometers
The island is called Oththan Dowa in Sinhalese. The island lies in the Dutch Bay in Puttalam Lagoon and is west of Sinna Erumativu, northwest of Erumativu and east of Mutwal. Oddakarentivu has an elevation of 5.0 metres. On this island, a good cover of mangrove vegetation can be seen. Mudflats, tidal creeks and intertidal seagrass are impressive features.
70Salliyampiddi IslandPuttalamGPS location : 8.274535, 79.786205
Area : 0.0145 square kilometers ( 3.7 acres)
Perimeter :508 meters
The tiny island lies in the Dutch Bay in Puttalam Lagoon between Sinna Arichchal and Erumaitivu Island In this island a good cover of mangrove vegetation.
71Sinna Arichchal IslandPuttalamGPS location : 8.283889, 79.792222
Area : 0.169 square kilometers (41.8 acres)
Perimeter 1.63 kilometers
Sand strips, dense mangrove cover tidal pools and creaks are notable features of this uninhabited island.
72Sinna Erumaitivu Island in Dutch BayPuttalamGPS location : 8.275780, 79.772420
Area : 0.0710 square kilometers (17.6 acres)
Perimeter 1.95 kilometers
Sinna Erumaitivu consists of 2 islands connected by a narrow tidal sandbar. The smaller southern island is also called South Sinna Erumaitivu Island. It is sandwiched between Oddakarentivu Island from the west and Erumaitivu Island from the southeast. Sand strips, The island consists of dense mangrove cover tidal pools and creaks.
73Somativu IslandPuttalamGPS location : 8.179268, 79.756098
Area : 0.06 square kilometers (15.5 acres)
Perimeter 0.987 kilometers
Somativu is a small mangrove island is north of Kakativu, northeast of Maripututivu and east of Pallivasalturai. Island elevation is about 4.0 metres.. and lush mangrove vegetation cover can be seen. Tidal creeks and mud flats are the salient features.
74Udayurputi IslandPuttalamGPS location : 8.179399, 79.749001
Area : 0.380 square kilometers (94 acres)
Perimeter 3.75 kilometers
The estimated terrain elevation above seal level is about 1.0 metre. Mangroves, tidal creeks, and barren land patches are salient features.
75Vella IslandPuttalamGPS location : 8.542930, 81.246191
Area : 8,833 square meters (2.18 acres)
Perimeter 620 meters
A small rocky formation 215 meters south of the mainland at the entrance of Trincomalee Lagoon. It is about 240 meters long and 73 meters wide.
76Chapel IslandTrincomaleeGPS location : 8.542930, 81.246191
Area : 8,833 square meters (2.18 acres)
Perimeter 620 meters
A small rocky formation 215 meters south of the mainland at the entrance of Trincomalee Lagoon. It’s about 240 meters long and 73 meters wide.
77Clappenburg IslandTrincomaleeGPS location : 8.542930, 81.246191
Area : 8,833 square meters (2.18 acres)
Perimeter 620 meters
A small rocky formation 215 meters south of the mainland at the entrance of Trincomalee Lagoon. It is about 240 meters long and 73 meters wide.
78Elephant IslandTrincomaleeGPS location : 8.533011, 81.233152
Area : 0.058 square kilometers (14.4 acres)
Perimeter 1.42 kilometers
A small rocky island with rich vegetation in the Koddiyar Bay on Trincomalee Bay. It lies 265 meters south of the mainland.
79Elizabeth IslandTrincomaleeGPS location : 8.497862, 81.223472
Area : 3,218 square meters (0,8 acres)
Perimeter 305 meters
A small rocky island with some vegetation. The island lies in the middle of the Koddiar Bay 1.7 km from the Marble Brach in the side bay of Trincomalee.
80Little Sober IslandTrincomaleeGPS location : 8.533011, 81.233152
Area : 0.062 square kilometers (15.24 acres)
Perimeter 1.08 kilometers
A small rocky island with rich vegetation just 80 meters away from its big brother, Sobar Island at the mouth of the inner harbour bay of Trincomalee Harbour. Dutch called it “Compagn ies Eyland”. It was the French who first fortified the Sober Islands with the permission of King Rajasinhe of Kandy. The British named this “Little Sober Island” after a British Lieutenant named Sober. The Little Sober Island has an elevation of 39 meters. The island has a thick forest cover. This island is declared as a wildlife sanctuary
81Mangrove IslandTrincomaleeGPS location : 8.572417, 81.196425
Area : 0.009 square kilometers (2.30 acres)
Perimeter 0.471 kilometers
A small rocky island with rich vegetation just 65 meters away from the mainland where the current Tokyo Cement Factory lies today at Trincomalee Harbour.
82Naditivu IslandTrincomaleeGPS location : 8.503859, 81.202186
Area : 2,198 square meters (0,5 acres)
Perimeter 275 meters
A small rocky island with some vegetation 460 meters away from the mainland in the side bay of Trincomalee.
83Norway IsletTrincomaleeGPS location : 8.505154, 81.274209
Area : 14,565. square meters (3.6 acres)
Perimeter 562 meters
A small rocky island rich in vegetation. The island lies in the middle of the Koddiar Bay 650 meters from Muttur at the entrance of the Koddiar Bay in Trincomalee.
84Pigeon IslandTrincomaleePigeon Island National Park consists of two small islands off the east coast north of Trincomalee and is a popular destination for scuba diving and snorkelling.
85Powder Island (Crow Island)TrincomaleeGPS location : 8.566605, 81.226580
Area : 6,691 square meters (1.65 acres)
Perimeter 414 meters
A small rocky island rich in vegetation. The island lies in the inner harbour of Trincomalee and connects to the mainland by a reef which is exposed during the low tide. The island was used as a gunpowder magazine during the colonial era and is under the protection of the Navy today.
86Round IslandTrincomaleeThis Kevuliya lighthouse ( Round Island Lighthouse) lies on top of a small rocky island in the bay of Trincomalee. The lighthouse on the island was built in 1863 and this was one of the three navigational aids for ships coming into the Trincomalee Harbour during British Rule. This island was called “Pot Island” on a map of the Dutch Era.
87Smooth IslandTrincomaleeGPS location : 8.543939, 81.210133
Area : 8,460. square meters (2.10 acres)
Perimeter 373 meters
A small rocky island lacking vegetation. Looks like the head of a bold man. The island lies in the Koddiar Bay 300 meters from Muttur at the entrance of the Koddiar Bay in Trincomalee.
88Sober IslandTrincomaleeGPS location : 8.543583, 81.208874
Area : 0.665 square kilometers (164 acres)
Perimeter: 3.95 km
Lies at the mouth of the inner harbour of Trincomalee. Dutch called it “Dwars-in-de-weg” meaning “right in the way”. It was the French who first fortified the island with the permission of King Rajasinhe of Kandy. They called it “Isle du Soleil”. The British named this “Sober Island” after a British Lieutenant named Sober. This island along with Little Sober Island was declared as a wildlife sanctuary in 1963. During the British era. it was a favourite resort of the officers of the East Indies Squadron, who built a ward-room, billiard room, and gun room upon it. Today there is a popular resort on this island which is run by the Sri Lankan Navy.
89York IslandTrincomaleeGPS location : 8.555230, 81.227140
Area : 11,785. square meters (2.91 acres)
Perimeter 563 meters
A small rocky island with thick vegetation. The Island lies in the Inner Trincomalee Harbour 265 meters from the docks.

Inland Islands of Sri Lanka

In addition to the islands on the sea, there are several island clusters within rivers inside the land mass of Sri Lanka.

NameDistrictDetails
Ma Duwa Island (Madu Ganga)GalleGPS location : 6.302396, 80.058221
Area : 0.540 square kilometers (133 acres)
Shoreline : 3.9 kilometers

The largest island in the Madu Ganga in Ambalangoda. There is a 200 meter narrow bridge connecting the mainland to Meda Duwa and this island connects to the Ma Duwa with a similar bridge. Only Bicycles and Motobikes can go on this narrow bridge. The island is thinly populated and has a school as well. A thick mangrove cover surrounds the shoreline.
Meda Duwa Island (Madu Ganga)GalleGPS location : 6.302396, 80.058221
Area : 0.540 square kilometers (133 acres)
Shoreline : 3.9 kilometers

The largest island in the Madu Ganga in Ambalangoda. There is a 200 meter narrow bridge connecting the mainland to Meda Duwa and this island connects to the Ma Duwa with a similar bridge. Only Bicycles and Motobikes can go on this narrow bridge. The island is thinly populated and has a school as well. A thick mangrove cover surrounds the shoreline.
Kothduwa Island (Bolgoda)KalutaraGPS location : 6.747420, 79.917606
Area : 0.072 square kilometers (17.8 acres)
Shoreline : 1.55 kilometers

There are two adjoining islands in the Bogoda Lake in Piliyanda separated by a narrow water channel, Kothduwa and Ruskin Island. Kothduwa has a rich mangrove cover and is a paradise for migrating birds. Access is by boat.
Ruskin Island (Bolgoda)KalutaraGPS location : 6.749380, 79.921593
Area : 0.338 square kilometers (83 acres)
Shoreline : 3 kilometers

There are two adjoining islands in the Bogoda Lake in Piliyanda separated by a narrow water channel, Kothduwa and Ruskin Island. Ruskin Island is mostly covered with mangroves and there are several popular villas and hotels spread around a gravel road around this island. Access is by boat.

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