Bass Marcel is a boat-accessible dive site located off the Crozon Peninsula in France. The site features a consistent depth of 17 metres. Divers should be prepared for challenging conditions, as the area is subject to strong currents and cold water temperatures ranging from 11C to 14C throughout the year. Due to these environmental factors, the site is suited for intermediate divers. The habitat supports a variety of temperate marine life, including reef fish and invertebrates typical of the Brittany region. Divers must use a boat to reach this location.

Poul Du Large is a reef site located 1000 metres off the Crozon Peninsula in France. This boat-accessible dive features a depth range of 14 to 15 metres. Conditions at the site are variable, with visibility typically ranging between 3 and 8 metres and strong currents present. Divers should be aware of potential hazards including entanglement and low visibility. The water temperature fluctuates between 11C and 16C throughout the year. Due to the environmental conditions, this site is suited for those with appropriate training and experience in current-heavy environments.

Alwane is a marine reef site located 1000 metres off the Crozon Peninsula in France. This boat-accessible dive is suited for intermediate divers due to the presence of moderate currents and potential surf conditions. The site maintains an average depth of 10 metres, with water temperatures ranging from 11C in the winter months to 17C during late summer. Divers should be prepared for cold water conditions throughout the year. Typical dives at this location last approximately 40 minutes. As a reef environment, the site offers a temperate marine topography for exploration.

Lenac'h is a marine reef site located off the Crozon Peninsula in France. This site is accessible only by boat, situated approximately 16 kilometres from the shore. Divers can expect an average depth of 11 metres, with recorded depths reaching 11.8 metres. The water temperature at this location varies between 11C and 16C throughout the year. The site is suitable for beginner divers. On-site facilities provided for divers include changing rooms, showers, a rinse station, and gear storage.

Pors Lanvers on the Crozon Peninsula offers a reef environment characterised by a landscape of boulders and sandy clearings. Accessible from the shore, the site reaches depths between 5 and 38 metres, with an average depth of 15 metres. Snorkellers should be prepared for moderate currents and variable visibility. Given the water temperatures ranging from 11 to 16 degrees Celsius, a 5 to 7mm wetsuit is recommended. The site is suitable for intermediate snorkellers. Hazards include boat traffic and cold water. Facilities available at the site include parking, showers, toilets, and a rinse station.

Pointe De Penharn on the Crozon Peninsula offers a shore-entry dive featuring a combination of reef, kelp forest, and drop-off topography. Divers can expect depths ranging from 8 to 15 metres, with an average depth of 12 metres. The site is suited for intermediate divers due to the presence of cold water, potential surf, and entanglement hazards from the kelp. Visibility typically ranges between 5 and 10 metres, and currents are generally mild. Parking is available for site access. Typical dives at this location last approximately 45 minutes. The water temperature remains cool throughout the year, fluctuating between 11C and 14C.

Pointe de Beuzec is a reef and drop-off site located off the Crozon Peninsula. Divers can explore depths ranging from 16 to 22 metres, with an average depth of 19 metres. The site requires boat access and is suited for intermediate divers due to moderate currents that can strengthen quickly. Visibility typically ranges between 5 and 10 metres. Water temperatures remain between 11 and 13 degrees Celsius, necessitating appropriate thermal protection. Divers should plan entries around slack water to manage navigation effectively and must remain alert for boat traffic during ascents, using a surface marker buoy at all times.

Baie de Brezellec on the Crozon Peninsula offers a diverse underwater landscape featuring a shallow reef, a kelp forest, and a wall descending to 40 metres. This site is suited for intermediate divers, with visibility ranging from 10 to 30 metres. Water temperatures remain between 11 and 13 degrees Celsius, necessitating appropriate thermal protection. Divers can access the site via boat or shore, though shore entries require caution due to a surf break and sharp rocks. Moderate currents are present, and the site is accessible for night diving. Parking is available for visitors.