Bunkers de Santocha in Saint-Jean-de-Luz consists of sunken WWII German concrete bunkers that have migrated into the surf zone due to coastal erosion. These massive structures function as artificial reefs, providing rare hard substrate within an otherwise sandy environment. The site is accessible from the shore and is suitable for intermediate snorkelers. Conditions vary, with strong currents and surf present in the area. Water temperatures range from 12C in January to 23C in August. Facilities including toilets and showers are available for visitors. Night snorkeling is permitted at this location.

L'Estacade is an artificial reef site located at the wooden pier in Saint-Jean-de-Luz. Divers and snorkellers explore the base of the pier pilings, which provide shelter from the Atlantic swell. The site is shallow, with depths ranging from 1 to 5 metres and an average depth of 3 metres. Access is via the shore. Conditions are variable, with visibility typically between 1 and 3 metres and moderate currents. The site is suitable for beginners, though users should be aware of potential hazards including surf, strong currents, and low visibility. Facilities available at the location include parking, toilets, and showers.

Canal d Hossegor is a shore-entry site on the Atlantic coast of France, featuring a mix of natural and artificial reef structures. Divers can explore depths ranging from 1 to 20 metres, with an average depth of 9 metres. Visibility typically spans 5 to 15 metres, and mild currents make the site suitable for beginners. Water temperatures fluctuate between 12 and 19 degrees Celsius throughout the year. Species recorded around this area include common octopus, European common cuttlefish, catshark, scorpionfish, various crabs, tompot blenny, hermit crab, sea stars, bream, zoanthids, brittle stars, striped red mullet, and bluebottle. Use caution regarding rip currents and sharp rocks or coral structures during entry.

L'Aiglon is a wreck dive located 400 metres off the coast of Saint-Jean-de-Luz, France. The site sits at depths ranging from 18 to 55 metres, making it suitable only for advanced divers. Access is by boat only. Divers should be prepared for moderate currents and variable visibility between 5 and 10 metres. Water temperatures fluctuate between 12 and 17 degrees Celsius throughout the year, necessitating appropriate thermal protection. Due to the depth and potential for changing conditions, careful dive planning and buoyancy control are essential. Species recorded around this area include wrasses, crabs, tompot blennies, snails, and rockpool prawns.

Le Cruz Secundo is a wreck dive located 4828 metres off the coast of Saint-Jean-de-Luz. The site sits at depths between 33 and 55 metres, requiring boat access. Divers should expect moderate currents and visibility ranging from 5 to 15 metres. Water temperatures fluctuate between 12 and 18 degrees Celsius, making this a cold-water dive. Due to the nature of the submerged structure, entanglement is a primary hazard; divers are advised to maintain good buoyancy, avoid loose equipment, and carry a line cutter. A dive torch is recommended for exploring the darker interior sections of the wreck. This site is suitable for intermediate divers.

Canal d'Hossegor is a tidal channel connecting the Atlantic Ocean to the marine lake on the Landes coast. This shore-entry site is suitable for beginners and offers a unique environment for snorkelling. The topography features stone walls that provide habitat for various marine organisms. Species recorded around this area include crabs, Tompot Blenny, sea stars, brittle stars, bream, hermit crabs, zoanthids, bluebottles, and striped red mullet. Less common sightings in the vicinity include common octopus, European common cuttlefish, catsharks, and scorpionfish. Water temperatures fluctuate throughout the year, ranging from 12C in January to 23C in August.

Plage Blanche in Saint-Jean-de-Luz is a sandy beach located on the western shore of the marine lake. The site features seagrass patches and shallow, wave-free waters, making it suitable for beginners. Depths typically range from 1 to 5 metres, with an average of 2 metres. Conditions vary, with visibility between 3 and 10 metres and mild currents. Water temperatures fluctuate throughout the year, ranging from 12C in January to 23C in August. Shore access is available, and the site is supported by facilities including parking, toilets, showers, changing rooms, a rinse station, and a cafe. Divers and snorkellers should be aware of potential hazards including deep areas, overhead environments, and strong currents.

Plage du Port Vieux in Saint-Jean-de-Luz is a horseshoe-shaped reef site protected by rocky outcrops. This sheltered location offers depths ranging from 3 to 7 metres, with an average depth of 5 metres, making it suitable for beginners. Divers and snorkellers can expect mild currents and visibility between 5 and 10 metres. Species recorded around this area include common octopus, wrasses, bream, striped red mullet, tompot blenny, hermit crabs, and rockpool prawns. The site is accessed directly from the shore. Facilities available at the location include parking, toilets, and showers. Typical dives last approximately 30 minutes. Be aware of potential jellyfish and periods of low visibility.