This is a list of islands of Thailand.
Thailand has hundreds of islands both in the Gulf of Siam and in the Andaman Sea. All of the islands of Thailand are coastal islands. The central area of the Gulf of Siam is free of islands, so that Thailand has no islands located in the open sea far from the coast. Formerly most of the islands in Thailand were uninhabited, but in recent times many have been developed as tourist resorts.
Some of the island groups in Thailand come in clusters of numerous individual islands; Phang Nga bay has 67, the Mu Ko Chang Marine National Park has 52, Tarutao National Marine Park has 51, and Mu Ko Ang Thong National Park has 42. Owing to the large amount of islands in Thailand the list below is not all-inclusive.
Notes:
To help in using search engines, the list also contains alternative names (used on some maps) either in the "Alternate spellings" column, or in parentheses.
| Name | Thai Name | Alternate spellings | Province | Island Chain, Group, Archipelago | Coordinates |
|---|---|---|---|---|---|
| Ko Chang | เกาะช้าง | Trat | 12°04′N 102°20′E / 12.06°N 102.33°E | ||
| Ko Ngam | เกาะง่าม | Trat | Ko Chang Marine National Park | 11°57′04″N 102°26′35″E / 11.951°N 102.443°E | |
| Ko Phrao Nai | เกาะพร้าวใน | Trat | Ko Chang Marine National Park | 11°58′55″N 102°23′13″E / 11.982°N 102.387°E | |
| Ko Phrao Nok | เกาะพร้าวนอก | Trat | Ko Chang Marine National Park | 11°58′23″N 102°23′31″E / 11.973°N 102.392°E | |
| Ko Chang Noi | เกาะช้างน้อย | Trat | Ko Chang Marine National Park | ||
| Ko Yuak | Trat | Ko Chang Marine National Park | |||
| Ko Man Nai | เกาะมันใน | Trat | Ko Chang Marine National Park | ||
| Ko Man Nok | เกาะมันนอก | Mun Nok | Trat | Ko Chang Marine National Park | |
| Ko Klum | เกาะคลุ้ม | Kloom | Trat | Ko Chang Marine National Park | 11°54′50″N 102°21′14″E / 11.914°N 102.354°E |
| Mu Ko Lao Ya | หมู่เกาะเหลายา | Moo Koh Lao Ya | Trat | Island pair in Ko Chang MNP | 11°56′31″N 102°24′25″E / 11.942°N 102.407°E |
| Ko Lao Ya Nai | เกาะเหลายาใน | Trat | Ko Chang Marine National Park | 11°56′31″N 102°24′25″E / 11.942°N 102.407°E | |
| Ko Lao Ya Nok | เกาะเหลายานอก | Trat | Ko Chang Marine National Park | 11°55′52″N 102°24′40″E / 11.931°N 102.411°E | |
| Ko Wai | เกาะหวาย | Trat | Ko Chang Marine National Park | 11°54′00″N 102°24′18″E / 11.900°N 102.405°E | |
| Mu Ko Mai Si | Moo Koh Mai See | Trat | Island pair in Ko Chang MNP | 11°56′46″N 102°28′30″E / 11.946°N 102.475°E | |
| Ko Mai Si Yai | Trat | Ko Chang MNP | 11°56′46″N 102°28′30″E / 11.946°N 102.475°E | ||
| Ko Mai Si Lek | Trat | Ko Chang MNP | 11°57′18″N 102°29′49″E / 11.955°N 102.497°E | ||
| Ko Bai Dang | เกาะไปแดง | Trat | Ko Chang Marine National Park | 11°53′53″N 102°27′04″E / 11.898°N 102.451°E | |
| Ko Chan | Trat | Ko Chang Marine National Park | 11°54′58″N 102°28′23″E / 11.916°N 102.473°E | ||
| Ko Kut | เกาะกูด | Ko Kuut, Koh Koot | Trat | Ko Chang Marine National Park | 11°40′N 102°34′E / 11.66°N 102.57°E |
| Ko Mak | เกาะหมาก | Ko Maak | Trat | Ko Chang Marine National Park | 11°49′08″N 102°28′48″E / 11.819°N 102.480°E |
| Ko Phi | เกาะพี | Trat | Ko Chang Marine National Park | ||
| Ko Kham | เกาะขาม | Trat | Ko Chang Marine National Park | ||
| Ko Rayang Nok | Trat | Ko Chang Marine National Park | 11°47′53″N 102°27′04″E / 11.798°N 102.451°E | ||
| Ko Kradat | เกาะกระดาษ | Trat | Ko Chang Marine National Park | 11°50′24″N 102°31′39″E / 11.840°N 102.5275°E | |
| Mu Ko Rang | หมู่เกาะรัง | Moo Ko Rang | Trat | 12-island group in Ko Chang MNP | 11°48′00″N 102°23′13″E / 11.80°N 102.387°E |
| Ko Rang | เกาะรัง | Trat | Ko Chang Marine National Park | 11°48′00″N 102°23′13″E / 11.80°N 102.387°E | |
| Ko Tun | Trat | Ko Chang Marine National Park | 11°46′26″N 102°23′35″E / 11.774°N 102.393°E |
| Name | Thai Name | Alternate spellings | Province | Island Chain, Group, Archipelago | Coordinates |
|---|---|---|---|---|---|
| Ko Kra | Chumphon | Mu Koh Chumphon | 10°15′N 99°15′E / 10.25°N 99.25°E | ||
| Ko Ran Gai | Chumphon | Mu Koh Chumphon | |||
| Ko Ran Bod | Chumphon | Mu Koh Chumphon | |||
| Ko Jarakae | เกาะจรเข้ | Chumphon | Mu Koh Chumphon | ||
| Ko Ngam Yai | เกาะงามใหญ่ | Chumphon | Mu Koh Chumphon | ||
| Ko Ngam Noi | เกาะงามน้อย | Chumphon | Mu Koh Chumphon | ||
| Ko Lak Ngam | Chumphon | Mu Koh Chumphon | |||
| Ko Samet (Chumphon) | Chumphon | Mu Koh Chumphon | |||
| Ko Matra | Chumphon | Mu Koh Chumphon | |||
| Ko Mapow | Chumphon | Mu Koh Chumphon | |||
| Ko Lawa | Chumphon | Mu Koh Chumphon | |||
| Ko Thalu | Chumphon | Mu Koh Chumphon | |||
| Ko Kalok | Chumphon | Mu Koh Chumphon | |||
| Ko Rangkajiw | Chumphon | Mu Koh Chumphon | |||
| Ko Samui | เกาะสมุย | Surat Thani | Samui-Pha Ngan-Tao | 9°30′N 100°00′E / 9.50°N 100.00°E | |
| Ko Pha Ngan | เกาะพะงัน | Surat Thani | Samui-Pha Ngan-Tao | 9°45′N 100°02′E / 9.75°N 100.033°E | |
| Ko Nangyuna | Surat Thani | Samui-Pha Ngan-Tao | |||
| Ko Tao | เกาะเต่า | Surat Thani | Samui-Pha Ngan-Tao | 10°05′24″N 99°50′17″E / 10.09°N 99.838°E | |
| Ko Phaluai | Surat Thani | Angthong Marine Park (S.) | |||
| Ko Tu | Surat Thani | Angthong Marine Park (S.) | |||
| Ko Khluai | Surat Thani | Angthong Marine Park (S.) | |||
| Ko Lak | Surat Thani | Angthong Marine Park (S.) | |||
| Ko Mu Dang | Ko Moo Dang | Surat Thani | Angthong Marine Park (S.) | ||
| Ko Tao Pun | Surat Thani | Angthong Marine Park (S.) | |||
| Ko Kang Tak | Surat Thani | Angthong Marine Park (S.) | |||
| Ko Pai Luek | Surat Thani | Angthong Marine Park (E.) | |||
| Ko Wua Te | Surat Thani | Angthong Marine Park (E.) | |||
| Ko Chae | Surat Thani | Angthong Marine Park (E.) | |||
| Ko Wua Talah | Surat Thani | Angthong Marine Park (N.) | |||
| Ko Phi | Koh Pee | Surat Thani | Angthong Marine Park (N.) | ||
| Ko Mae Koh | Surat Thani | Angthong Marine Park (N.) | |||
| Ko Hin Tak | Surat Thani | Angthong Marine Park (N.) | |||
| Ko Sam Sao | Surat Thani | Angthong Marine Park (N.) | |||
| Ko Ao Rad | Surat Thani | Angthong Marine Park (N.) | |||
| Ko Pae Yat | Surat Thani | Angthong Marine Park (N.) | |||
| Ko Pra | Surat Thani | Angthong Marine Park (N.) | |||
| Ko Wua Kantang | Surat Thani | Angthong Marine Park (N.) | |||
| Ko Chang Trom | Surat Thani | Angthong Marine Park (N.) | |||
| Ko Sano Ban | Surat Thani | Angthong Marine Park (N.) | |||
| Ko Lae | Surat Thani | Angthong Marine Park (N.) | |||
| Ko Wa Noi | Surat Thani | Angthong Marine Park (N.) | |||
| Ko Wa Yai | Surat Thani | Angthong Marine Park (N.) | |||
| Ko Hin Dap | Surat Thani | Angthong Marine Park (N.) | |||
| Ko Nai Put | Surat Thani | Angthong Marine Park (N.) | |||
| Ko Ka | Surat Thani | Angthong Marine Park (N.) | |||
| Ko Rod | Surat Thani | Angthong Marine Park (N.) | |||
| Ko Ngam | Surat Thani | Angthong Marine Park (N.) | |||
| Ko Tai Plao | Surat Thani | Angthong Marine Park (N.) |
| Name | Thai Name | Alternate spellings | Province | Island Chain, Group, Archipelago | Coordinates |
|---|---|---|---|---|---|
| Ko Chang (Ranong) | Ranong | Ko Chang (Andaman) Archipelago | |||
| Ko Sin Hai | Ranong | Ko Chang (Andaman) Archipelago | |||
| Ko Dom | Ranong | Ko Chang (Andaman) Archipelago | |||
| Ko Plai | Ranong | Ko Chang (Andaman) Archipelago | |||
| Ko Talu (Rayong) | Ranong | Ko Chang (Andaman) Archipelago | |||
| Ko Phayam | เกาะพยาม | Payam | Ranong | ||
| Ko Kang Khao | เกาะค้างคาว | Ranong | |||
| Mu Ko Kom | หมู่เกาะกำ | Moo Ko Kam | Ranong | ||
| Ko Kam | เกาะกำ | Ko Kom | Ranong | Mu Ko Khom group | |
| Ko Kam Tok | เกาะกำตก | Ko Kom Tok | Ranong | Mu Ko Khom group | |
| Ko Kam Yai | Ko Kom Yai | Ranong | Mu Ko Khom group | ||
| Ko Kam Nui | Ko Kom Nui | Ranong | Mu Ko Khom group | ||
| Koh Surin Nua | Ranong | Surin Islands group | |||
| Koh Surin Tai | Ranong | Surin Islands group | |||
| Koh Ri | Ranong | Surin Islands group | |||
| Koh Kai | Ranong | Surin Islands group | |||
| Koh Klang | Ranong | Surin Islands group | |||
| Ko Similan | เกาะสิมิลัน | Phang Nga | 8°39′N 97°39′E / 8.65°N 97.65°E | ||
| Ko Bangu | Phang Nga | Similan Islands | 8°39′14″N 97°39′00″E / 8.654°N 97.650°E | ||
| Ko Payu | Phang Nga | Similan Islands | 8°35′24″N 97°38′17″E / 8.590°N 97.638°E | ||
| Ko Miang | Phang Nga | Similan Islands | 8°36′00″N 97°38′13″E / 8.600°N 97.637°E | ||
| Ko Payang | Phang Nga | Similan Islands | 8°29′53″N 97°38′46″E / 8.498°N 97.646°E | ||
| Ko Huyang | Phang Nga | Similan Islands | 8°28′44″N 97°39′00″E / 8.479°N 97.650°E | ||
| Ko Tachai | Phang Nga | Similan Islands | |||
| Ko Born | Ko Bon | Phang Nga | Similan Islands | ||
| Ko Ra | Phang Nga | Phang Nga N Coast | |||
| Ko Kad | Ko Khat | Phang Nga | Phang Nga N Coast | ||
| Ko Ko Khao | Phang Nga | Phang Nga N Coast |
| Name | Thai Name | Alternate spellings | Province | Island Chain, Group, Archipelago | Coordinates |
|---|---|---|---|---|---|
| Ko Nom Sao | เกาะนมสาว | Ko Ok Meri | Phang Nga | Phang Nga Bay | |
| Ko Raya Ring | Phang Nga | Phang Nga Bay | |||
| Ko Ping Kan | เกาะเขาพิงกัน | Phang Nga | Phang Nga Bay | ||
| Ko Mak | Phang Nga | Phang Nga Bay | |||
| Ko Na Khae | Phang Nga | Phang Nga Bay | |||
| Ko Tapu | เกาะตะปู | "James Bond Island" | Phang Nga | 8°16′31.36″N 98°30′02.02″E / 8.2753778°N 98.5005611°E | |
| Ko Hong | Phang Nga | Phang Nga Bay | |||
| Ko Yai | Phang Nga | Phang Nga Bay | |||
| Ko Batang | Phang Nga | Phang Nga Bay | |||
| Ko Rai | Phang Nga | Phang Nga Bay | |||
| Ko Boi Noi | Phang Nga | Phang Nga Bay | |||
| Ko Boi Yai | Phang Nga | Phang Nga Bay | |||
| Ko Dang | Phang Nga | Phang Nga Bay | |||
| Ko Kudu Yai | Phang Nga | Phang Nga Bay | |||
| Ko Nui | Phang Nga | Phang Nga Bay | |||
| Ko Sup | Phang Nga | Phang Nga Bay | |||
| Ko Panyi | Ko Panyee | Phang Nga | Phang Nga Bay | ||
| Ko Panak | Koh Panas | Phang Nga | Phang Nga Bay | ||
| Ko Yao Yai | เกาะยาวใหญ่ | Phang Nga | Phang Nga Bay | ||
| Ko Yao Noi | เกาะยาวน้อย | Phang Nga | Phang Nga Bay | ||
| Ko Rung Nok | Phang Nga | Phang Nga Bay | |||
| Mu Ko Phi Phi | หมู่เกาะพีพี | Krabi | 6-island group "Phi Phi Islands" | ||
| Ko Phi Phi Don | เกาะพีพีดอน | Krabi | Phi Phi Islands | ||
| Ko Phi Phi Leh | เกาะพีพีเล | Krabi | Phi Phi Islands | ||
| Ko Bida Nok | เกาะปิดะนอก | Krabi | Phi Phi Islands | ||
| Ko Bida Noi | เกาะปิดะใน | Krabi | Phi Phi Islands | ||
| Ko Mai Phai | เกาะไม้ไฟ่ | Ko Mai Pai | Krabi | North Krabi | |
| Ko Phai | เกาะไฟ่ | Ko Pai | Krabi | North Krabi | |
| Ko Yoong | เกาะยูง | Krabi | North Krabi | ||
| Ko Chong Lat | Krabi | North Krabi | |||
| Ko Phudu Yai | Krabi | North Krabi | |||
| Ko Pak Bia | Krabi | North Krabi | |||
| Ko Hong (Krabi) | Krabi | North Krabi | |||
| Ko Ngang | Krabi | North Krabi | |||
| Ko Pu | เกาะปู | Koh Pu / Koh Poo | Krabi | Mid Krabi | 7°58′N 98°20′E / 7.967°N 98.333°E |
| Ko Kai | Koh Gai / Chicken Island | Krabi | Mid Krabi | 7°58′N 98°20′E / 7.967°N 98.333°E | |
| Ko Poda | Krabi | Mid Krabi | 7°58′N 98°20′E / 7.967°N 98.333°E | ||
| Ko Lanta Yai | เกาะลันตาใหญ่ | Krabi | Lanta Islands | 7°35′N 99°03′E / 7.583°N 99.05°E | |
| Ko Lanta Noi | เกาะลันตาน้อย | Krabi | Lanta Islands | 7°35′N 99°03′E / 7.583°N 99.05°E | |
| Ko Bu Bu | Krabi | Lanta Islands | 7°35′N 99°03′E / 7.583°N 99.05°E | ||
| Ko Po | Krabi | Lanta Islands | 7°35′N 99°03′E / 7.583°N 99.05°E | ||
| Ko Klang (Krabi) | Krabi | Lanta Islands | 7°35′N 99°03′E / 7.583°N 99.05°E | ||
| Ko Ma | Krabi | Lanta Islands | 7°35′N 99°03′E / 7.583°N 99.05°E | ||
| Ko Ha | Krabi | Lanta Islands | 7°35′N 99°03′E / 7.583°N 99.05°E | ||
| Phuket | ภูเก็ต | Phuket | 7°58′N 98°20′E / 7.967°N 98.333°E | ||
| Ko Lon | เกาะ??? | Phuket | 7°58′N 98°20′E / 7.967°N 98.333°E | ||
| Ko Mai Thon | เกาะไม้ท่อน | Phuket??? | 7°58′N 98°20′E / 7.967°N 98.333°E | ||
| Ko Maphrao | เกาะมะพร้าว | Phuket??? | 7°58′N 98°20′E / 7.967°N 98.333°E | ||
| Ko Ngam (Phuket) | Phuket | 7°58′N 98°20′E / 7.967°N 98.333°E | |||
| Ko Naka Yai | Phuket | 7°58′N 98°20′E / 7.967°N 98.333°E | |||
| Ko Naka Noi | Phuket | 7°58′N 98°20′E / 7.967°N 98.333°E | |||
| Ko Raet | Phuket | 7°58′N 98°20′E / 7.967°N 98.333°E | |||
| Ko Siray | Phuket | 7°58′N 98°20′E / 7.967°N 98.333°E | |||
| Ko Rang Yai | Phuket | 7°58′N 98°20′E / 7.967°N 98.333°E | |||
| Ko Rang Noi | Phuket | 7°58′N 98°20′E / 7.967°N 98.333°E | |||
| Ko Tapao | Phuket | 7°58′N 98°20′E / 7.967°N 98.333°E | |||
| Ko Kaeo Yai | เกาะ??? | Phuket | 7°58′N 98°20′E / 7.967°N 98.333°E | ||
| Ko Kaeo | เกาะ??? | Phuket | 7°58′N 98°20′E / 7.967°N 98.333°E | ||
| Ko Bon | เกาะ??? | Phuket | 7°58′N 98°20′E / 7.967°N 98.333°E | ||
| Ko Hae | เกาะ??? | Coral Island | Phuket | 7°58′N 98°20′E / 7.967°N 98.333°E | |
| Ko Aeo | เกาะ??? | Phuket | 7°58′N 98°20′E / 7.967°N 98.333°E |
| Name | Thai Name | Alternate spellings | Province | Island Chain, Group, Archipelago | Coordinates |
|---|---|---|---|---|---|
| Ko Hin Muang | เกาะหินม่วง | ||||
| Ko Hin Daeng | เกาะหินแดง | ||||
| Ko Rok Nok | |||||
| Ko Rok Nai | |||||
| Ko Ngai | เกาะ??? | Trang | 7.414811° 99.204858° | ||
| Ko Kradan | เกาะกระดาน | Trang | 7.308577° 99.255441° | ||
| Ko Muk | เกาะ??? | Koh Mook | Trang | 7.373312° 99.295516° | |
| Ko Racha Yai | เกาะราชาใหญ่ | Koh Racha | 7.598466° 98.366353° | ||
| Ko Sukhon | เกาะ??? | ||||
| Ko Talibong | |||||
| Ko Tarutao | เกาะตะรุเตา | Satun | Tarutao - Tarutao Archipelago | ||
| Ko Klang (Satun) | เกาะกลาง | Satun | Tarutao - Tarutao Archipelago | ||
| Ko Lek | เกาะเหล็ก | Satun | Tarutao - Tarutao Archipelago | ||
| Ko Adang | เกาะอาดัง | Satun | Tarutao - Adang-Rawi Archipelago | ||
| Ko Rawi | เกาะราวี | Satun | Tarutao - Adang-Rawi Archipelago | ||
| Ko Lipe | เกาะหลีเป๊ะ | Satun | Tarutao - Adang-Rawi Archipelago | ||
| Ko Dong | เกาะดง | Satun | Tarutao - Adang-Rawi Archipelago |
| Name | Thai Name | Alternate spellings | Province | River, Lake | Coordinates |
|---|---|---|---|---|---|
| Ko Lamphu | เกาะลำพู | Surat Thani Province | Tapi River | 9°08′06″N 99°18′04″E / 09.135°N 99.301°E | |
| Ko Lamphu Rai | เกาะลำพูราย | Trat | Trat River mouth | 12°12′00″N 102°34′59″E / 12.2°N 102.583°E |
|
|
|
|
|
|
|
|||||||||||
|
|