156 reef dive sites in Mexico.
Biggest areas: Quintana Roo (85), Baja (22), Baja California Sur (6), Oaxaca (6) and Guerrero (4).
Recorded maximum depths range from 2 m to 50 m (122 of 156 sites have a depth).
By level: 85 beginner, 18 intermediate, 27 advanced and 4 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.