List of Thailand’s Largest Islands

Searching the internet for a list of the largest island in Thailand gave me zero results, so I have done the homework for you. With 926 islands scattered along the coast provinces, there are six islands larger than 100 km².

#1 Koh Phuket (514 km²)

#2 Koh Samui (229 km²)

#3 Koh Chang (217 km²)

#4 Koh Tarutao (152 km²)

#5 Koh Phangan (125 km²)

#6 Koh Kood (111 km²)

Other large islands include Koh Lanta Yai (81 km²) and Koh Yao Yai (80 km²).

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5 thoughts on “List of Thailand’s Largest Islands

  1. Claude October 20, 2017 / 7:16 am


    • Anders October 20, 2017 / 8:15 am

      You’re welcome, Claude 🙂

  2. Philipp June 6, 2019 / 6:37 pm

    Hi Anders

    No offence! Thank you for the article. I haven’t double-checked all of your information but #5 is not correct. I know of a Thai island with an area of 130km2.

    Do your research if you’re interested.

    As an aside, the information on Wikipedia regarding that island is not correct.


    • Anders June 6, 2019 / 6:49 pm

      Hi Philipp!

      Would be easier if you just tell me what island 🙂

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