100 cave dive sites in Central America & Mexico.
Biggest countries: Mexico (78), Honduras (6), Belize (5), Costa Rica (5) and Nicaragua (3).
Recorded maximum depths range from 5 m to 339 m (77 of 100 sites have a depth).
By level: 36 beginner, 6 intermediate, 20 advanced and 10 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.