100 shore dive sites in United States.
Biggest areas: Florida (23), New York (20), California (11), Massachusetts (10) and Hawaiian Islands (8).
Recorded maximum depths range from 2 m to 40 m (50 of 100 sites have a depth).
By level: 33 beginner, 5 intermediate and 8 advanced.
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.