The St. Sunniva is a wreck located off the coast of Hendaye, France, resting at depths between 20 and 40 metres. This site is reserved for advanced divers due to the depth and the presence of moderate to strong currents. Visibility is highly variable, requiring careful planning and the use of a surface marker buoy for the ascent. Boat access is mandatory for this site. Water temperatures are cold, ranging from 12C to 19C throughout the year. Species recorded around this area include the tricolor doris, cow snail, striped red mullet, and various sea squirts.

Ficoa en Cala is a reef and drop-off site located off the coast of Hendaye, France. The topography features a descent starting at 15 metres and reaching depths of 35 metres, with an average depth of 25 metres. This site requires boat access and is suited for intermediate divers due to the depth and variable visibility, which ranges from 10 to 30 metres. Currents remain mild, though divers should monitor their depth closely. Water temperatures fluctuate between 12 and 19 degrees Celsius throughout the year, necessitating appropriate thermal protection. Shore facilities at the departure point include parking, toilets, showers, changing rooms, and a rinse station.

Aroca Tiquia is a technical dive site on the Basque Coast featuring a combination of reef and cave systems. Reaching depths between 20 and 40 metres, the site requires advanced certification and cave training. Divers must manage moderate currents and an overhead environment, with visibility typically ranging from 5 to 10 metres. Due to these conditions, carrying primary and backup torches is recommended. Water temperatures fluctuate between 12C and 18C, necessitating appropriate thermal protection. Boat access is required to reach the site, and divers should monitor gas supplies and decompression limits closely. Species recorded around this area include wrasses, crabs, octopus, cuttlefish, and various sea slugs.

Belhara Perdun is a reef located 2500 metres off the coast of Hendaye, France. The site features a reef structure ranging from 14 to 18 metres in depth, with an average depth of 16 metres. Access is strictly by boat due to significant surf at the shore. Divers encounter mild currents at the site, though conditions can vary. Visibility is variable, ranging from 10 to 30 metres. Water temperatures fluctuate between 12 and 20 degrees Celsius throughout the year, requiring appropriate thermal protection. This site is suitable for intermediate divers, with typical dives lasting 45 minutes. Always confirm the sea state with your boat operator before departure.

Cambo Banco is a reef and wall site located off the Atlantic Coast of France near Hendaye. The topography features a vertical wall that descends from 20 to 36 metres, making it suitable for intermediate divers. Visibility at the site ranges from 10 to 30 metres, allowing for clear observation of the reef structure. Currents are generally mild, assisting with buoyancy control during the dive. Water temperatures fluctuate between 12 and 19 degrees Celsius throughout the year, necessitating appropriate thermal protection. Boat access is required to reach this location, and the site is accessible for night diving.

Grotte à Balou is a reef and cave site located off the coast of Hendaye, France. Suitable for beginners, the site features depths ranging from 2 to 18 metres with an average depth of 9 metres. Divers experience mild currents and visibility typically between 10 and 15 metres. Access is strictly by boat, and divers must remain vigilant regarding boat traffic. It is essential to use a surface marker buoy and stay close to the dive boat during ascents to ensure visibility to passing vessels. Typical dives last approximately 50 minutes. Parking is available at the launch point for those arriving by vehicle.

Digue de Socoa in Hendaye offers a combination of natural and artificial reef structures suitable for beginner divers. The site features depths ranging from 3 to 20 metres, with an average depth of 8 metres. Visibility typically spans 5 to 10 metres, and mild currents ensure manageable conditions. Entry is from the shore, though divers must exercise caution regarding surf and shore break conditions. Due to active boat traffic in the area, the use of a surface marker buoy is essential. Water temperatures fluctuate between 12C and 19C throughout the year. Species recorded around this area include wrasses, crabs, common octopus, marbled electric rays, and various nudibranchs.

Plage du Fort de Socoa in Hendaye is an artificial reef site situated at the base of the historic Socoa Fort. The site features a protective dike that shields the area from ocean waves, resulting in a sheltered environment with a mix of sandy and rocky bottoms. Depths range from 1 to 6 metres, with an average of 3 metres, making it suitable for beginners. Access is via the shore. Visibility varies between 5 and 25 metres, and currents are generally mild. Species recorded around this area include wrasses, crabs, common octopus, marbled electric rays, and various sea slugs and flatworms.