22 reef dive sites in U.S. Virgin Islands.
By area: Saint Croix (10), Saint John (4), Saint Thomas (3), St. Croix (3) and St. Thomas (1).
Recorded maximum depths range from 12 m to 24 m (10 of 22 sites have a depth).
By level: 12 beginner and 2 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.