Les Buharats is a reef dive located off the coast of Saint-Malo, France, suitable for beginner divers. The site features a reef structure at depths ranging from 10 to 20 metres. Divers should expect moderate currents and variable visibility between 10 and 30 metres. Access is by boat only to avoid surf and shore break. Water temperatures fluctuate between 9C and 16C throughout the year, requiring appropriate thermal protection. Divers should maintain careful buoyancy to avoid sharp rocks and sea urchins present near the reef structure. Shore facilities including changing rooms, showers, and a rinse station are available for post-dive use.

The M4600 is a wreck dive located off the coast of Saint-Malo, France, resting at depths between 20 and 28 metres. This site is accessible by boat and is suitable for beginner divers, though it requires careful planning around tidal windows due to moderate currents. Visibility typically ranges from 5 to 10 metres. Divers should be aware of entanglement risks and overhead environments associated with the wreck structure. Water temperatures fluctuate significantly throughout the year, ranging from 9 to 19 degrees Celsius, making drysuits or thick wetsuits advisable outside of the summer months. Always confirm tidal conditions with your boat operator before descending.

Located 3500 metres from the coast of Saint-Malo, the South Beach of Île de Cézembre is a reef site accessible only by boat. The area features rocky outcroppings and shallow waters ranging from 2 to 8 metres, with an average depth of 5 metres. This site is suitable for beginners and offers a snorkel rating of 4 out of 5. Divers and snorkellers should be aware of moderate currents and boat traffic in the vicinity. Water temperatures fluctuate between 9C in February and 18C in August and September. Facilities on the island include a cafe and toilets.

Le Fetlar is a reef dive located off the coast of Saint-Malo, France. The site features a seabed ranging from 17 to 28 metres in depth. Divers should expect moderate currents throughout the area, requiring the ability to fin against the flow in short bursts. Visibility at the site typically ranges between 5 and 10 metres. Due to water temperatures fluctuating between 9 and 16 degrees Celsius, a 7mm wetsuit or a drysuit is recommended for comfort. Access to this site is exclusively by boat. It is suitable for divers seeking an introduction to temperate reef environments.

La Catis is a reef and drop-off site located off Saint-Malo, France. The topography features a slope descending from 16 metres to a maximum depth of 34 metres. Divers encounter moderate currents, and visibility ranges from 10 to 30 metres. Due to the water temperature fluctuations between 9C and 19C, a 7mm wetsuit is suitable for summer, while a drysuit is recommended for autumn and winter. Access is by boat only. Species recorded around this area include European Common Cuttlefish, wrasses, squat lobsters, catsharks, sea slugs, sea stars, spiny spider crabs, shrimp, rock crabs, common moon jellyfish, brittle stars, abalone, and snails.

The Laplace is a shipwreck located off the coast of Saint-Malo, France. Resting at depths between 15 and 25 metres, with an average depth of 20 metres, the site is accessible by boat. Divers can expect mild currents and visibility ranging from 10 to 30 metres, allowing for clear views of the vessel's structure. Due to water temperatures fluctuating between 9 and 16 degrees Celsius, a wetsuit of at least 5mm is recommended. Guided tours are available to assist with navigation of the wreck. The site is suitable for beginners, though local guidance is advised for first-time visitors to manage bottom time effectively.

Les Jardins de la Conchée is a boat-access site situated 4000 metres from the shore of Saint-Malo. The underwater topography features a complex environment of granite boulders and kelp gardens, alongside a wall, drop-off, and artificial reef structures. Divers can explore a wreck located within the site. Depths range from 4 to 25 metres, with an average depth of 20 metres. Conditions are variable, characterised by strong currents, surge, and surf, which require careful planning. Hazards include potential entanglement, boat traffic, and low visibility. This site is suitable for beginners, though the challenging currents necessitate caution.

Petit Bé is a reef site located 400 metres from the shore near Saint-Malo. This site features deep gullies between rocks and is suitable for intermediate snorkellers. Depths range from 2 to 10 metres, with an average of 6 metres. Conditions are variable, with visibility between 3 and 10 metres and strong currents present. Water temperatures fluctuate throughout the year, ranging from 9C in February to 19C in August and September. Access is via the shore, and the site offers nearby facilities including parking, toilets, showers, and a dive shop. Typical snorkelling sessions last approximately 45 minutes.