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 Skeldon is a wreck dive located off the coast of Saint-Malo, France. This site is accessible only by boat and is suited for intermediate divers due to the presence of moderate currents and potential for entanglement. The wreck lies at depths ranging from 9 to 38 metres. Divers should be prepared for cold water temperatures, which fluctuate between 9C and 15C throughout the year, and visibility that typically ranges from 5 to 10 metres. Local facilities supporting this site include air fills, gear storage, rinse stations, and guided tours.

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.

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 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.

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.

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.

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.