We track 100 dive operators in Brittany. 30 teach certification courses (31 PADI, 19 SSI). 25 run snorkelling trips. The biggest cluster is around Saint-Malo, with 4. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
The 8 highest-ranked of 100. How Fin Rank works
| Rank | Operator | TripAdvisor | Discovery dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 | Centre International de Plongée | 4.9(57) | none | none | PADI · SSI |
Which centres run each site, named on their own websites or confirmed by the owner.

Fin lists 100 dive operators in Brittany, with the biggest cluster around Saint-Malo. 30 of them run certification courses.
PADI is the most common agency (31 centres), followed by SSI (19). CMAS, SDI/TDI also appear.
25 of the 100 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.
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.
Saint Malo Emerald Diving is a sports club located in Saint-Malo, France. It has a high rating based on numerous reviews and offers wheelchair accessible facilities. The club operates on weekdays with specific morning and afternoon hours.

Korejou Plongée is a dive center located in Saint-Pabu, Brittany North, France. They offer diving and snorkeling activities.

Breizh Tek Diving is a diving center located in Névez, France, specializing in technical diving. They offer advanced training and services for experienced divers. The center is known for its expertise in technical diving.
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
I.S.A Diving Center is a dive center located in Crozon-Morgat, France. They offer diving services and courses.
Aber Wrac'h Plongée is a dive center located in the port of Landéda, France. They offer diving activities and training.

Comarin is a dive center located in Saint-Malo, France. They offer diving services.

Ren'sports is a dive shop and training center located in Rennes, France. They offer diving courses, equipment sales, and diving trips.
| 2 | Saint Malo Emerald Diving | 4.7(193) | none | $92 | CMAS | Visit |
| 3 | 4.5(146) | 4.3 | none | PADI · SSI | Visit |
| 4 | 5.0(79) | 5.0 | none | CMAS · SDI/TDI · SSI | Visit |
| 5 | Nautilus Dive Center | 4.2(78) | none | none | PADI | Visit |
| 6 | Carnac Plongée Dive Center | 4.4(198) | 4.3 | none | none | Visit |
| 7 | I.S.A Diving Center | 4.7(106) | none | none | PADI · SSI | Visit |
| 8 | Aber Wrac'h Plongée | 4.6(123) | none | none | PADI | Visit |