30 wall dive sites in Mexico.
By area: Quintana Roo (22), Baja (2), Baja California Sur (1) and Oaxaca (1).
Recorded maximum depths range from 11 m to 44 m (24 of 30 sites have a depth).
By level: 12 beginner, 4 intermediate, 11 advanced and 1 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.