La Vandree is a deep-water site located off the Crozon Peninsula, requiring boat access to avoid dangerous surf and shore breaks. The site sits at depths between 40 and 48 metres, necessitating careful decompression planning and vigilance regarding nitrogen narcosis. Visibility ranges from 10 to 30 metres, providing clear views of the reef structure. Water temperatures remain consistently cold, between 10 and 12 degrees Celsius, making a drysuit essential. While currents are generally mild, they can shift, and divers must coordinate their descent with local tidal windows to ensure safety at this depth.

Basse Rozen, located off the Crozon Peninsula, offers a varied underwater landscape combining a natural reef, a drop-off, and wreck structures. This site is suited for intermediate divers, with depths ranging from 20 to 38 metres. Visibility typically spans 10 to 30 metres, while water temperatures remain cold, between 11 and 13 degrees Celsius. Access is exclusively by boat. Divers should be prepared for overhead environments created by the wreck and artificial reef elements. Maintain awareness of potential down currents along the drop-off and exercise caution regarding entanglement risks. A torch and cutting tool are recommended for all divers due to the nature of the site structures.

Pointe de Penhir is located on the western tip of the Crozon Peninsula, France, featuring a combination of natural and artificial reef structures. Divers can explore depths ranging from 15 to 24 metres, with an average depth of 15 metres. Visibility at the site varies between 10 and 30 metres. Due to the presence of strong currents, rip currents, and hazardous surf at the shore, boat access is required for all dives. Conditions can change rapidly with the tide, making it essential to plan dives around slack water. Full exposure protection is necessary year-round as water temperatures remain between 11 and 13 degrees Celsius.

Kleber is a deep-water dive site located in the Molène Archipelago, France. Accessible exclusively by boat, this site features depths ranging from 40 to 48 metres. Divers can expect variable visibility between 10 and 30 metres depending on conditions. The water temperature remains cool throughout the year, fluctuating between 11C and 14C. Due to the significant depth and the nature of the environment, this site is suited for experienced divers capable of managing deep-water conditions. There is no specific marine life data available for this location.

Baliseur is a challenging wreck and reef site in the Molène Archipelago, offering depths ranging from 5 to 45 metres. The site features a wreck structure combined with surrounding reef formations. Divers must be prepared for strong currents, which require precise timing relative to the tidal window. Visibility is consistently 30 metres. Due to the cold water temperatures of 10 to 12 degrees Celsius and the technical nature of the site, a drysuit is recommended. Access is strictly by boat, and the site is reserved for advanced divers with deep diving certifications. Divers should be aware of potential surf and sharp rock formations when planning their entry.

The Marco Polo II is a wreck dive located off the Crozon Peninsula, resting at depths between 28 and 30 metres. This site requires boat access and is suited for intermediate divers due to the depth and the presence of moderate currents. Visibility typically ranges from 5 to 10 metres, making a torch useful for inspecting the structure. Water temperatures remain between 11 and 14 degrees Celsius throughout the year, necessitating a drysuit or thick wetsuit. Divers should monitor conditions closely, as currents can strengthen quickly; timing dives around slack water is recommended. Ensure all air fills and equipment are prepared in Brest before departure.

The Joannis Carras is a wreck and reef site located in the Molène Archipelago. Resting at a constant depth of 16 metres, the site features a combination of structural wreck remains and surrounding reef. Divers should expect moderate currents and visibility ranging from 5 to 10 metres. Water temperatures remain between 11 and 14 degrees Celsius, necessitating appropriate thermal protection. The site presents hazards including entanglement risks and overhead environments within the wreck, as well as sharp rocks on the reef edges. Due to these conditions, the site is suitable for intermediate divers who possess strong buoyancy control. Boat access is required for all dives.

The Swansea Vale is a wreck site located 4000 metres off the Crozon Peninsula, resting at depths between 28 and 31 metres. This intermediate-level dive requires boat access and is characterised by strong currents, making it essential to time descents around slack water. Visibility typically ranges from 5 to 10 metres. Divers should maintain strict buoyancy control and remain aware of potential entanglement hazards within the wreck structure. Due to the significant depth and current conditions, careful dive planning is necessary for this 41-minute average dive. Water temperatures remain cool throughout the year, ranging from 11C to 13C.