The Fremur is a wreck dive located off Saint-Malo, France, resting at depths between 20 and 25 metres. This site requires boat access to avoid surf and shore break. Divers should expect moderate currents and visibility ranging from 5 to 10 metres. Due to the entanglement risks present on the structure, a cutting tool is essential. The site is suited for intermediate divers who possess solid buoyancy control. Water temperatures fluctuate between 9 and 15 degrees Celsius, necessitating a drysuit or thick wetsuit. The wreck provides a habitat for various temperate marine life, including reef fish and invertebrates that have colonised the structure.

The Hilda is a wreck located off the coast of Saint-Malo, France, resting at depths between 10 and 25 metres. This site requires boat access to avoid significant surf and shore break hazards found along the coastline. Divers should expect moderate currents that can strengthen significantly, making it essential to plan dives around slack water due to the extreme tidal ranges in the area. Visibility typically ranges from 5 to 10 metres. Given the water temperatures of 10 to 15 degrees Celsius, a drysuit or a minimum 7mm wetsuit is strongly recommended for this intermediate-level dive.

The Ro21 is a wreck site located 5000 metres off the coast of Saint-Malo, France. The structure lies at depths ranging from 1 to 25 metres, with an average depth of 18 metres. Divers experience moderate currents and visibility between 5 and 10 metres. Due to the cool water temperatures of 10 to 15 degrees Celsius, a drysuit or thick wetsuit is necessary. The site presents entanglement risks and overhead environments, requiring caution. Access is by boat only, and guided tours are recommended for beginners. Facilities at the departure point include changing rooms, showers, a rinse station, and air fills.

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.

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 Hinrich is a wreck dive located off Saint-Malo, France, resting at depths between 23 and 41 metres. This site is suited for intermediate divers due to the depth and the presence of moderate currents that can strengthen quickly. Visibility typically ranges from 5 to 10 metres, requiring methodical navigation through the structure. Given the water temperatures of 9 to 15 degrees Celsius, a drysuit or thick wetsuit is necessary. Access is by boat only. Divers should monitor depth gauges closely, manage potential entanglement risks, and use a surface marker buoy for a controlled ascent due to local boat traffic.

The Walter is a wreck dive located off Saint-Malo, resting at depths between 30 and 38 metres. This site is suited for intermediate divers who possess both Open Water and wreck qualifications. Divers access the wreck by boat, encountering moderate currents that can strengthen during ascent and descent. Visibility typically ranges from 5 to 10 metres, requiring careful navigation around the structure. Water temperatures are cold, fluctuating between 9 and 15 degrees Celsius throughout the year, necessitating appropriate thermal protection. Due to the depth and potential for entanglement in wreckage components, precise buoyancy control and the use of a cutting tool are essential safety practices for all visitors.

The Timac is a wreck dive located 6000 metres off the coast of Saint-Malo, France. Resting at depths between 20 and 25 metres, this site is suited for intermediate divers due to strong currents and potential entanglement risks within the wreck structure. Visibility typically ranges from 5 to 10 metres. Water temperatures fluctuate significantly throughout the year, ranging from 9C in winter to 19C in September. Divers should plan their visit around slack water and use boat charter services for access. Species recorded around this area include European Common Cuttlefish, various crabs, lobsters, and conger eels.