We track 61 dive operators in Southwest. 28 teach certification courses (31 PADI, 3 NAUI). 8 run snorkelling trips. 1 offer accommodation alongside diving. The biggest cluster is around Catalina Foothills, with 5. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
The 8 highest-ranked of 61. How Fin Rank works
| Rank | Operator | TripAdvisor | Discovery dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 | Dive Shack USA | 5.0(34) | 5.0 | none | NAUI · PADI | Visit |
Which centres run each site, named on their own websites or confirmed by the owner.
Fin lists 61 dive operators in Southwest, with the biggest cluster around Catalina Foothills. 28 of them run certification courses.
PADI is the most common agency (31 centres), followed by NAUI (3). SSI, SDI/TDI, IANTD also appear.
1 operator in Southwest offers accommodation alongside diving.
8 of the 61 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 Shack USA is a sporting goods store in Bullhead City, AZ, established in 1987. They provide scuba diving and snorkeling equipment and have Wi-Fi. The business has a 5-star rating from 35 reviews.

Mana Scuba is a dive center offering PADI certification courses, equipment sales, and dive trips. They focus on providing personalized training and memorable diving experiences. The center also offers equipment rental and air fills.
Salt & Sea Scuba is a dive shop offering scuba diving courses and equipment. They provide PADI certifications, equipment sales, and dive trips. They also offer air fills and nitrox.
Sin City Scuba is a dive shop offering scuba certifications, equipment sales, and service. They provide a range of courses and organize dive trips. The shop is located in Las Vegas, Nevada.
Dive Arizona is a dive center located in Queen Creek, Arizona. They offer PADI certification courses, equipment rental, and air fills. The shop also provides guided dives and dive trips.

El Mar Diving Center is a sporting goods store located at 2245 W Broadway Rd in Mesa, Arizona. They offer scuba, snorkeling, and free-diving gear, as well as training and a gear repair shop. The business has a Google rating of 4.7 stars based on 66 reviews.

Las Vegas Scuba Academy is a PADI 5 Star Dive Center that provides comprehensive scuba training, from beginner to professional levels. They offer equipment sales, rentals, and service, as well as guided dives and trips. The academy aims to foster a community of divers.
Sierra Diving Center is a PADI 5-star dive center in Reno, Nevada, specializing in scuba instruction, dive travel, and equipment sales and service. They offer a wide range of courses, including technical diving and adaptive scuba programs for disabled divers. Sierra Diving Center is known for its expertise in high-altitude diving in Lake Tahoe.
Santa Rosa Dive Center is a PADI 5 Star Dive Center located at the Blue Hole. They offer scuba diving courses, equipment rental, and guided dives. The center also provides air fills and nitrox.
3rd Reef Divers is a dive shop offering scuba certifications, equipment sales, and service. They provide a range of courses and organize dive trips. The shop is located in Henderson, Nevada.
| 2 | 5.0(39) | none | none | PADI | Visit |
| 3 | Salt & Sea Scuba | 4.9(187) | none | none | PADI | Visit |
| 4 | Sin City Scuba | 4.7(139) | none | none | PADI | Visit |
| 5 | Dive Arizona | 4.9(76) | none | none | PADI | Visit |
| 6 | 4.8(72) | none | none | none | Visit |
| 7 | 5.0(50) | none | none | PADI | Visit |
| 8 | Sierra Diving Center | 4.6(49) | none | none | PADI · SDI/TDI | Visit |

