Bassin Dombret is a natural seawater pool situated along the rocky coastline of La Chaume in Arcachon Bay. This site provides a wave-free environment, making it suitable for beginners to practice snorkelling. Water temperatures fluctuate throughout the year, ranging from 10C in winter to 20C in August. Species recorded around this area include crabs, sea hares, shrimp, sea stars, brittle stars, snails, European green crabs, clingfish, and rockpool prawns. Access is via the shore, and the site is particularly useful for observing small marine life trapped by the tide.

Phare de l'Armandèche is a shore-entry dive site located on the Atlantic Coast of France. The topography consists of a rocky shelf featuring gullies and kelp forests. Divers can expect depths ranging from 3 to 11 metres, with an average depth of 7 metres. Conditions are variable, with moderate currents and potential surf, making this site suitable for intermediate divers. Typical dive times are approximately 45 minutes. Due to the presence of kelp, divers should be aware of potential entanglement hazards. The site is also well-regarded for snorkelling, holding a rating of 4 out of 5.

La Jean Marthe is a wreck dive site located 300 metres from the shore in Arcachon Bay, France. The site is suitable for beginners and offers a consistent depth of approximately 8 metres. Access to the wreck is by boat only. Divers should remain aware of boat traffic in the area during their dives, which typically last around 40 minutes. Water temperatures at this site fluctuate throughout the year, ranging from 10C in the winter months to 19C in August. As a wreck site, it provides a specific structure for exploration within the marine environment of the Atlantic Coast.

Le Nouch is a reef site located within Arcachon Bay, France. This marine environment is accessible exclusively by boat. Divers can expect depths ranging from 3 to 13 metres. Conditions at this site vary, with water temperatures fluctuating between 10C in the winter months and 18C during the summer. Due to the nature of the site and local conditions, it is best suited for intermediate divers. There is no specific data available regarding the marine life present at this location.

Baie de Cayola is a rugged, steep bay located in Arcachon Bay, France. The site features a shingle and rock seabed, providing a distinct underwater topography for divers and snorkellers. Access is via the shore, though divers should be aware of potential surf conditions. Water temperatures vary throughout the year, ranging from 10C in winter to 20C in August. Species recorded around this area include crabs, sea hares, shrimp, brittle stars, sea stars, snails, clingfish, and rockpool prawns. Facilities available at the site include parking, toilets, showers, changing rooms, a rinse station, and a cafe.

Épave Bacchi is a shore-entry dive site located in Arcachon Bay, France. This site is accessible year-round without the need for a boat. It is suitable for beginners due to the shallow water and lack of specific hazards. Divers should note that both visibility and current are variable, so checking local conditions before entering the water is recommended. Water temperatures fluctuate between 10C and 20C throughout the year, requiring appropriate thermal protection. As there are no confirmed facilities on site, divers must arrive self-sufficient with all necessary equipment and hydration.

Plage de la Mine in Arcachon Bay features rocky plateaus extending from the shore, providing a habitat for various marine life. This site is accessible from the shore and is suitable for beginners, though snorkelers should be aware of strong currents and surf conditions. Water temperatures fluctuate throughout the year, ranging from 10C in winter to 20C in August. The area supports a variety of temperate marine life, including reef fish and invertebrates typical of the Atlantic coast. Facilities at the site include parking, toilets, showers, and a cafe.

Ponton Bigue is a wreck and artificial reef located in Arcachon Bay, France. Resting at depths between 20 and 34 metres, this site is suited for intermediate divers. The environment is characterised by moderate currents and visibility ranging from 5 to 10 metres. Water temperatures are cold, fluctuating between 10 and 16 degrees Celsius throughout the year. Divers should utilise appropriate thermal protection, such as a drysuit or a 7mm wetsuit with hood and gloves. The structure supports a variety of local reef fish and invertebrates. Due to the depth and current, precise buoyancy control and careful dive planning are essential for all visitors.