144 reef dive sites in Mexico.
Biggest areas: Quintana Roo (83), Baja (21), Baja California Sur (6), Oaxaca (6) and Guerrero (4).
Recorded maximum depths range from 2 m to 50 m (115 of 144 sites have a depth).
By level: 80 beginner, 16 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.