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Diving in the Channel Islands

California·United States

Diving in the Channel Islands

Photo: Claire Fackler, CINMS, NOAA · Wikimedia Commons (Public domain)

Epic~4 days

Why go

Off the coast of Santa Barbara, the Channel Islands sit where cold and warm currents meet, feeding towering forests of giant kelp full of fish, lobster and playful sea lions. The protected waters around the national park islands hold some of the richest temperate diving in the world.

When

In season: Sep–Nov · Peak: Oct

Who it’s for

Skill
Beginner–Advanced
Effort
Moderate
Suitable from
12+ · Teen+
Crowds
Quiet
Cost
$$$

Diving specifics

Min certification
Open water
Visibility
20 m
Liveaboard only
No

What to expect

Cool water of around 14 to 18 degrees, surge and variable visibility, with the clearest conditions in autumn. Most diving is from day or liveaboard boats out of Ventura and Santa Barbara, and the outer islands are exposed.

Dive sites

What the difficulty bands mean
moderate
Some depth, current or navigation; a comfortable Open Water diver.
hard
Deep, strong current, overhead or technical — advanced/tech only.
  1. Anacapa kelp forest

    moderate

    Giant kelp cathedrals and sea lions an hour from the mainland

  2. Santa Cruz caves

    moderate

    Sea caves and lobster on the largest island

  3. San Miguel

    hard

    Cold, exposed and the richest marine life in the chain

How to start

Book a day or multi-day dive boat from Ventura or Santa Barbara, and bring a 7 mm wetsuit or drysuit. Start at Anacapa, the closest island, and save the exposed outer islands such as San Miguel for when you are comfortable in surge.

What else is in California

Diving elsewhere

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