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.

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.

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.

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.

Plage de la Paracou is a rocky cove situated at the western end of Les Sables-d'Olonne. This site is suitable for beginners, offering shallow snorkelling in depths ranging from 0 to 3 metres, with an average depth of 1 metre. Access is via the shore, where mild currents and visibility between 2 and 8 metres are typical. At low tide, the area features natural rock pools. Visitors should be aware of potential hazards including sharp coral and surf. Facilities available at the site include parking, showers, and first aid. The water temperature fluctuates between 10C and 20C throughout the year.

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.

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.

Conche des Baleines, also known as Lighthouse Rocks, is located at the western tip of the beach near the Phare des Baleines. The site is characterised by rugged limestone formations, including tide pools and submerged ledges. This shore-entry location is suitable for beginners and offers a snorkel rating of 3 out of 5. Water temperatures at this Atlantic Coast site vary throughout the year, ranging from 10C in the winter months to 20C during the peak summer period of July and August. Divers and snorkellers should be prepared for these seasonal fluctuations in temperature when planning their visit to this coastal area.