Los Angeles, USA

Scuba Diving in Los Angeles: Kelp Forests, Catalina and Clubs

Southern California kelp forest diving is unlike anything else: 20-metre stalks of giant kelp, garibaldi, sea lions and, on the right day at Catalina, visibility that makes it feel tropical despite the temperature.

Quick facts

Season
Year round; best July–October
Water temperature
13–21°C
Visibility
5–25 m, best in autumn

Dive sites in and around Los Angeles

  • Casino Point, Catalina

    Marine park shore dive, 5–30 m, the most popular site in Southern California.

  • Palos Verdes (Terranea, Christmas Tree Cove)

    Shore-accessible kelp and reef, 6–18 m.

  • Malibu (Leo Carrillo)

    Shallow reef and shore entry, good for skills practice.

  • Farnsworth Bank

    Advanced boat dive with purple hydrocoral, 21–40 m.

Boat culture and buddy culture

Weekend charters out of San Pedro and Long Beach are the backbone of LA diving, and they fill through clubs and buddy groups rather than walk-ups. Sea lions at the Channel Islands are the payoff.

Autumn is the local secret: warmest water of the year, calm seas and the best visibility.

  • 7 mm wetsuit or dry suit is standard year round
  • Charters typically 130–190 USD for two or three dives
  • Catalina can be done as a day trip via the ferry with gear

Diving is a buddy sport — find yours in Los Angeles

SportConnect is free. Add scuba diving as your sport, list your certification level and Los Angeles as your city, and you can browse and message local divers, clubs and dive centres planning trips.

Frequently asked questions

Is diving in LA cold?

Yes — 13 to 21°C. Most divers use a 7 mm wetsuit with hood, or a dry suit in winter.

Where do beginners dive?

Casino Point at Catalina is a protected shore-entry marine park and the standard first ocean dive.

When is the best time?

September and October: warmest water and clearest conditions of the year.

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