

Best for intermediate divers, 6-20m, shore & boat entry, moderate current.
Les Blockhaus at Cap Ferret consists of submerged wartime concrete structures that now function as an artificial reef. This site is suitable for intermediate divers, with depths ranging from 6 to 20 metres and an average depth of 17 metres. Divers may encounter moderate currents, requiring careful planning around slack water. Visibility typically spans 5 to 10 metres. Entry can be made by boat or from the shore, though shore entries require caution due to unpredictable surf and shore breaks. Water temperatures fluctuate between 12 and 18 degrees Celsius throughout the year, necessitating appropriate thermal protection. Night diving is permitted at this location.
44.56810, -1.23663
The shore entry involves a surf and shore break that can be unpredictable, so assess conditions carefully before entering and plan your exit before you get in the water. Entanglement risk around the structures is real, so carry a cutting tool and keep buoyancy precise when exploring inside or close to the blockhouses.
Access info coming soon
Recorded nearby, within 20km
Depth
6-20m
Visibility
5-10m
Skill Level
Intermediate
Entry
Shore & Boat
Water Temp
12-18°C
Current
Moderate
Typical Dive
60 min
No, this site is rated for intermediate divers due to the presence of moderate currents and the technical nature of navigating submerged structures.
The site depths range from 6 to 20 metres, with an average depth of 17 metres.
Both shore and boat entries are possible, though shore entries require careful assessment of the surf and shore break conditions.
Divers should be aware of entanglement risks from the wreck structures, moderate currents, and potential surf or shore breaks during entry and exit.
While the site is primarily used for diving, the depth and current conditions make it more suited to scuba activities.
Diving at Les blockhaus in Arcachon bay requires the following certifications: Open Water. Always dive within your training limits.
A 7mm wetsuit or semi-dry is recommended for diving at Les blockhaus in Arcachon bay. Water temperatures range from 12°C to 18°C.
Expect moderate currents at Les blockhaus in Arcachon bay. Good buoyancy control and some drift diving experience is helpful.
Visibility at Les blockhaus in Arcachon bay typically ranges from 5 metres to 10 metres. Conditions vary with weather, tides, and seasons.