We track 83 dive operators in Florida Keys. 20 teach certification courses (24 PADI, 1 SDI/TDI). 27 run snorkelling trips. 8 offer accommodation alongside diving. The biggest cluster is around Key Largo, with 7. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
The 8 highest-ranked of 83. How Fin Rank works
Which centres run each site, named on their own websites or confirmed by the owner.

Fin lists 83 dive operators in Florida Keys, with the biggest cluster around Key Largo. 20 of them run certification courses.
PADI is the most common agency (24 centres), followed by SDI/TDI (1). IANTD also appear.
Published discovery dive prices we hold range from $120 to $250 USD. Treat these as a guide and confirm with the centre before booking.
8 operators in Florida Keys offer accommodation alongside diving.
27 of the 83 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.

Key Dives is a PADI 5 Star Dive Center located in Marathon, Florida Keys. They offer daily dive and snorkel trips, PADI certification courses, and equipment rental. They are known for their friendly staff and excellent dive sites.

Florida Keys Dive Center is a PADI 5 Star Dive Center located in Marathon, Florida Keys. They offer daily dive and snorkel trips, PADI certification courses, and equipment rental. They are known for their experienced instructors and beautiful dive sites.

Captain Hook's Marina & Dive Center is a PADI 5 Star IDC offering a full range of dive and snorkel services. They provide daily dive trips, PADI courses from beginner to instructor, and equipment rental. They are located in Marathon, Florida Keys.
Silent World Dive Center is a PADI 5 Star Dive Center located in Marathon, Florida Keys. They offer a comprehensive range of diving services, including daily boat dives, PADI courses from beginner to instructor, and equipment sales and rental. They are known for their experienced instructors and well-maintained boats.

Lost Reef Adventures is a dive shop in Key West, Florida, offering a variety of dive and snorkel trips. They provide PADI certification courses, equipment rental, and guided tours to local dive sites. The company focuses on providing a safe and enjoyable experience for all levels of divers.
Islamorada Dive Center is a PADI 5-Star dive center based at Three Waters Marina in the Florida Keys. The operator offers daily guided scuba and snorkel charters, PADI certification courses, and ocean adventures for all skill levels.
Key Largo Scuba Diving is a full-service dive shop in the Florida Keys that offers daily scuba training, certification courses, and guided dive and snorkel charters. The operator provides equipment rentals and maintains a retail store for scuba gear.
Rainbow Reef Dive Center is a PADI 5 Star Instructor Development Center located in Key Largo, Florida. They offer daily dive and snorkel trips, equipment rentals, and a variety of scuba training courses.

Southpoint Divers is a dive center located in Key West, Florida, offering various diving and snorkeling excursions. They provide services such as guided dives, PADI courses, and equipment rentals. The company emphasizes personalized service and exploring the local marine life.
Conch Republic Divers is located in Tavernier and operates out of Tavernier Creek Marina. They provide boat trips to reefs and wrecks from Key Largo to Islamorada. The operator also offers dive training and lodging options.
| 2 | 4.6(219) | 4.6 | none | PADI | Visit |
| 3 | 4.3(120) | 4.6 | none | PADI | Visit |
| 4 | Silent World Dive Center | 4.9(3,102) | 4.9 | $150 | PADI | Visit |
| 5 | 4.6(312) | 4.7 | none | PADI | Visit |
| 6 | Islamorada Dive Center | 4.9(864) | none | $250 | PADI | Visit |
| 7 | Key Largo Scuba Diving | 4.6(130) | none | $249 | PADI | Visit |
| 8 | Rainbow Reef Dive Center | 4.6(134) | none | none | PADI | Visit |
