139 reef dive sites in Thailand.
Biggest areas: Southern Thailand (52), Eastern Thailand (26), Phuket (12), Surat Thani (5) and Krabi (4).
Recorded maximum depths range from 3 m to 125 m (113 of 139 sites have a depth).
By level: 96 beginner, 15 intermediate, 6 advanced and 2 technical.
Species confirmed at these sites by diver sightings (three or more independent divers) or by two or more independent sources, with the number of sites each is confirmed at.