Ko Tao is an island in Thailand and is part of the Chumphon Archipelago on the western shore of the Gulf of Thailand. It covers an area of about 21 km2. Administratively it is a subdistrict (tambon) of Ko Pha-ngan District (amphoe) of Surat Thani Province. As of 2006, its official population was 1,382. The main settlement is Ban Mae Haad.

Contender: Koh Tao
Contender: Koh Tao
Ranked #4 on "Best Thai Islands 2026: Top 10 Ranked for Beauty, Vibe & Adventures". Cast your vote to back or challenge this spot.
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