87 dive sites in Santa Catalina Island, United States: 11 reefs, 3 wrecks, 2 caves, 2 shore dives, 1 pinnacle and 68 other sites.
Recorded maximum depths range from 6 m to 40 m (24 of 87 sites have a depth).
By level: 15 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.