20 dive sites in Surat Thani, Koh Tao, Thailand: 10 reefs, 3 pinnacles, 3 wrecks and 4 other sites.
Recorded maximum depths range from 5 m to 35 m (17 of 20 sites have a depth).
By level: 10 beginner, 4 intermediate, 3 advanced and 1 technical.
Species confirmed at sites here by diver sightings (three or more independent divers) or by two or more independent sources, with the number of sites each is confirmed at.