296 dive sites in California, United States: 49 reefs, 12 wrecks, 11 shore dives, 7 walls, 5 caves, 5 pinnacles, 1 artificial reef and 206 other sites.
Recorded maximum depths range from 6 m to 305 m (76 of 296 sites have a depth).
By level: 41 beginner, 5 intermediate, 22 advanced and 3 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.