87 dive sites in Santa Catalina Island, United States: 9 reefs, 3 wrecks, 2 caves, 2 shore dives, 1 pinnacle and 70 other sites.
Recorded maximum depths range from 4 m to 37 m (44 of 87 sites have a depth).
By level: 37 beginner, 1 intermediate, 5 advanced and 1 technical.
Species confirmed at sites here by diver sightings (three or more independent divers) or by two or more independent sources, with the number of sites each is confirmed at.