Scuba Diving in Channel Islands, California, United States | Dive Sites & Conditions | DiveLine
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Channel Islands
California, United States3 dive sites
About This Area
The Channel Islands comprise eight islands off the California coast that offer world-class diving in protected waters. Anacapa, Santa Cruz, Santa Rosa, and San Miguel Islands feature dramatic underwater landscapes with caves, arches, and walls. The islands are part of a national marine sanctuary known for exceptional marine biodiversity, pristine conditions, and spectacular visibility.
Features
•Protected national marine sanctuary environment
•Vibrant kelp forests teeming with marine life
•Dramatic underwater sea caves and arches
•Diverse dive sites for all experience levels
•Rich ecosystem with abundant fish species
•Sea lion colonies and occasional whale sightings
•Visibility often exceeding 60 feet
Diving Tips
•Water temperatures range from 50-65°F depending on season
•Boat access only, with charters departing from Ventura and Santa Barbara
•Best diving conditions typically September through November
•7mm wetsuit with hood recommended, or drysuit in winter