We track 107 dive operators in Brittany. 29 teach certification courses (31 PADI, 19 SSI). 26 run snorkelling trips. The biggest cluster is around Saint-Malo, with 5. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
The 8 highest-ranked of 107. How Fin Rank works
| Rank | Operator | TripAdvisor | Try dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 | 5.0(25) | none | none | PADI · SSI | Visit |
Which centres run each site, named on their own websites or confirmed by the owner.

Fin lists 107 dive operators in Brittany, with the biggest cluster around Saint-Malo. 29 of them run certification courses.
PADI is the most common agency (31 centres), followed by SSI (19). CMAS, SDI/TDI also appear.
26 of the 107 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.

Korejou Plongée is a dive center located in Saint-Pabu, Brittany North, France. They offer diving and snorkeling activities.
Nautilus Dive Center is a diving school and center located in La Richardais, France. They offer diving courses and activities.
Carnac Plongée Dive Center is located in Carnac, France, in the Morbihan region of Brittany. It is a dive center offering various diving activities and courses. NOT FOUND
Centre International de Plongée is a diving center located on Île St-Nicolas in Fouesnant, France. They offer diving courses and excursions. The center is situated in a coastal area known for its diving opportunities.
Ouessant-Subaqua is a diving center located in the port of Lampaul on the island of Ouessant, France. They offer diving activities and training in the waters around Ouessant.
Aber Wrac'h Plongée is a dive center located in the port of Landéda, France. They offer diving activities and training.
Carantec Nautisme is a nautical base located on the beach of Kelenn in the Bay of Morlaix. The operator offers various water sports including diving, sailing, kayaking, and stand up paddle.
Cap Trébeurden is a diving center located in Trébeurden, France. They offer various diving and water activities.

Ren'sports is a dive shop and training center located in Rennes, France. They offer diving courses, equipment sales, and diving trips.
Saint-Brieuc Plongée is a dive center located in Langueux, France. They offer a range of diving activities and courses.
| 2 | Nautilus Dive Center | 4.7(10) | none | none | PADI | Visit |
| 3 | Carnac Plongée Dive Center | 5.0(1) | none | none | none | Visit |
| 4 | Centre International de Plongée | 4.8(15) | none | none | PADI · SSI | Visit |
| 5 | Ouessant-Subaqua | 5.0(11) | none | none | PADI · SSI | Visit |
| 6 | Aber Wrac'h Plongée | 4.8(24) | none | none | PADI | Visit |
| 7 | Association Carantec Nautisme | 4.7(218) | none | none | none | Visit |
| 8 | Cap Trébeurden | 4.7(72) | none | none | none | Visit |