We track 156 dive operators in California. 39 teach certification courses (47 PADI, 7 SSI). 17 run snorkelling trips. 1 offer accommodation alongside diving. The biggest cluster is around Avalon, with 5. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
The 8 highest-ranked of 156. How Fin Rank works
| Rank | Operator | TripAdvisor | Try dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 |  Dive n Surf | 4.6(209) | none | none | PADI | Visit |
Which centres run each site, named on their own websites or confirmed by the owner.
Fin lists 156 dive operators in California, with the biggest cluster around Avalon. 39 of them run certification courses.
PADI is the most common agency (47 centres), followed by SSI (7). NAUI, SDI/TDI, IANTD, GUE, RAID also appear.
Published try-dive prices we hold range from $119 to $199 USD. Treat these as a guide and confirm with the centre before booking.
1 operator in California offers accommodation alongside diving.
17 of the 156 operators we track run snorkelling tours.
Operators are sorted by Fin Rank, a 100-point profile strength score: contact details, what they offer, the dive sites they run, their Google reputation, whether the owner has claimed the listing, and whether their own website links to Fin. 0 listings here are owner-verified. The formula is published in full on the Fin Rank page.
Dive n Surf is a dive shop located in Redondo Beach, California. It offers a variety of diving and surfing services, including equipment sales, rentals, and lessons. The shop is a PADI 5 Star IDC.
Dive Santa Barbara is a dive shop located in the Santa Barbara harbor that provides scuba instruction and equipment sales. The operator works with local dive boats to offer access to the Channel Islands for training and recreational diving.
Diving Catalina provides snorkel and scuba diving activities for all skill levels at Casino Point Dive Park. The operator offers various certification courses and guided tours led by professional instructors.
Eco Dive Center is a scuba diving school and retail shop based in West Los Angeles. They offer a wide range of certification courses from beginner to professional levels and organize local boat trips to California islands. The center also provides equipment sales and repair services.
Catalina Divers Supply is a sporting goods store located at 1 Casino Way in Avalon, California. They offer diving gear, rentals, air fills, classes, and guided tours. The business has a Google rating of 4.8 stars based on 749 reviews.
Waterhorse Charters provides boat tours and eco-adventures in San Diego including scuba diving, snorkeling, and wildlife watching. The company operates a fleet of vessels for private charters and public trips, offering services such as wreck diving, kelp forest exploration, and scuba certification courses.
Catalina Divers Supply & Snorkeling is a sporting goods store located on the Green Pleasure Pier in Avalon, California. They offer snorkel and scuba gear rentals, as well as tours, boat trips, and guided dives. The business has a Google rating of 4.2 stars based on 56 reviews.
Santa Barbara Aquatics is a dive shop located at 5822 Hollister Ave in Goleta, CA. They offer scuba lessons, gear, and training, and have a 12ft pool. The shop has a 4.4-star rating from 77 reviews and is open year-round.
Diving Catalina provides scuba diving and snorkeling activities at Casino Point Dive Park on Catalina Island. The operator offers various scuba courses ranging from introductory sessions to professional level training.
Catalina Scuba is a tour agency located at 1 Casino Way in Avalon, California. They offer scuba diving and snorkeling lessons and tours. The business has a Google rating of 4.8 stars based on 171 reviews.
| 2 | Dive Santa Barbara | 4.5(223) | none | none | PADI | Visit |
| 3 | Diving Catalina | 4.5(144) | none | $129 | SSI · PADI · NAUI | Visit |
| 4 | Eco Dive Center | 4.8(392) | none | none | PADI | Visit |
| 5 | Catalina Divers Supply | 4.8(749) | none | none | none | Visit |
| 6 | Waterhorse Charters | 5.0(466) | none | none | none | Visit |
| 7 | Catalina Divers Supply | 4.2(56) | none | none | none | Visit |
| 8 | Santa Barbara Aquatics | 4.4(77) | none | none | PADI · SSI | Visit |
