The U 976 is a German Type VIIC submarine resting on the seabed in Arcachon Bay, France. Located at a depth of 55 metres, the wreck sits upright and remains largely intact. This site is strictly for advanced divers due to the depth and the requirement for decompression planning. Divers should expect moderate currents and visibility ranging from 5 to 10 metres. Water temperatures are cold, fluctuating between 9 and 14 degrees Celsius, necessitating the use of a dry suit. Access is by boat only, as the site is situated 27 kilometres from the shore. The structure provides a habitat for various reef fish and invertebrates.

Aube is a shore-entry reef dive located in Arcachon Bay, France. This site is suitable for divers of all experience levels, offering shallow and calm water conditions that assist with buoyancy control. Water temperatures fluctuate between 10C and 19C throughout the year, requiring appropriate thermal protection. Visibility is variable and can change between visits, so divers should check local conditions before arrival. As facilities are not confirmed on-site, divers must arrive self-sufficient with all necessary equipment and supplies. The reef environment supports a variety of Atlantic reef fish and invertebrates typical of the region.

Antonos Stratos is a shallow reef site located off the coast of Brittany and Normandy. Accessible by boat, the site features calm, shallow water, providing a suitable environment for divers to practise buoyancy and reef observation. Conditions vary, with visibility typical of the Atlantic coast. Water temperatures range from 10C in winter to 19C in summer. Due to these temperatures, a drysuit or a thick wetsuit of at least 7mm is recommended outside the summer months. Divers should check locally for current launch and access arrangements before planning a trip, as on-site facilities are not confirmed.

The Cairnstrath is a shipwreck located 3500 metres offshore in Arcachon Bay, France. The structure rests on the seabed at depths ranging from 17 to 30 metres, with an average depth of 24 metres. Divers should expect moderate currents and visibility between 5 and 10 metres. Due to the wreck structure, there is a risk of entanglement; divers must maintain buoyancy control and carry a cutting tool. Water temperatures are cool, ranging from 9C to 15C, necessitating a drysuit or thick wetsuit. Access to this intermediate-level site is strictly by boat charter, which should be arranged in advance through local dive shops.

The Ville de Rochefort is a wreck dive located in Arcachon Bay, accessible only by boat. The site lies at depths between 22 and 30 metres, offering an intermediate-level experience. Divers encounter mild currents and visibility ranging from 5 to 15 metres. Due to the nature of the wreck, there is a risk of entanglement from collapsed sections and metalwork, requiring careful equipment management. Water temperatures are cool, fluctuating between 9 and 15 degrees Celsius throughout the year. A drysuit or a 7mm wetsuit with a hood is recommended to maintain comfort during a typical 45-minute dive.

The SS Anglo-Patagonian is a deep wreck dive located in Arcachon Bay, France. Resting at a maximum depth of 45 metres, this site is accessible by boat only and is reserved for advanced divers. The wreck structure presents significant entanglement risks, requiring careful navigation and the use of a cutting tool. Divers should be prepared for variable visibility and shifting currents, which can change between tides. Water temperatures are cold, ranging from 9C to 15C throughout the year, necessitating appropriate thermal protection. The site supports a variety of marine life typical of the region, including various reef fish and invertebrates that have colonised the structure.

Giglio is a shallow reef site located in Arcachon Bay, France, offering depths between 1 and 6 metres. This shore-entry site is suitable for beginner divers due to its manageable profile and mild currents. Because visibility can vary significantly, it is recommended to check local conditions before planning a dive. Facilities are not available at the site, so divers must arrive self-sufficient with all necessary equipment. Water temperatures fluctuate between 10 and 18 degrees Celsius throughout the year, requiring appropriate thermal protection. The shallow nature of the reef allows for extended bottom times, providing a relaxed environment for those building their underwater confidence.

Anse des Broches is a wild, secluded cove situated on the northwest coast of the island near Pointe du But. This site is suited for advanced snorkellers due to its open ocean exposure, which often results in challenging conditions. Access is via the shore. Water temperatures fluctuate throughout the year, ranging from 10C in February to 20C in August. Given the exposed nature of the location, visitors should be prepared for variable sea states and currents typical of the Atlantic Coast. The site offers a rugged, natural environment for those experienced in navigating open coastal waters.