Exact site page describing the horseshoe formation and coralligenous heads in the Maritime Zone.
La Muraillette is a horseshoe-shaped lobster reef in Cap d'Agde.
La Muraillette is a horseshoe-shaped lobster reef in Cap d'Agde.
Boat access through a local Cap d'Agde dive center is the normal way in.
La Muraillette is a horseshoe-shaped boat dive in Cap d'Agde's Maritime Zone, with two coralligenous heads that frame the main structure and a dense lobster population that rewards slow reef searching. It suits divers who can stay trim, move deliberately, and work the rock without rushing. The site also brings conger eels, scorpionfish, octopus, nudibranchs, and sea urchins into the mix.
Depth range, seasonality, and planning context.
Reported Depth
22m - 24m
Depth Note
Horseshoe reef on a 24 m bottom, with rocky heads rising about 2 m.
Best Season
Year-round, with the calmest and clearest conditions typically in summer.
Typical Conditions
Boat-dive structure search with careful buoyancy around coralligenous rock.
Site conditions, restrictions, and access requirements.
Site Conditions
Safety Notes
Keep clear of spines and bottom contact, because scorpionfish, urchins, and coralligenous structure are part of the scene.
Access Restrictions
Boat access from Cap d'Agde's Maritime Zone; not a casual shore entry.
Legal Notes
Follow local operator guidance and any maritime-zone rules.
Community notes to help plan your visit.
Scuba Diving
Best for comfortable scuba divers who can stay trim around the coralligenous heads and move slowly through the horseshoe line.
Freediving
Not a primary freedive target; the useful structure sits in the boat-dive zone.
Snorkeling
Not a snorkel target; the interesting life is on the bottom structure.
Species commonly reported at this site, with direct links into their wildlife guides.
Community dive logs and visit reports for this site.
Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
Last Updated
Research Sources
Exact site page describing the horseshoe formation and coralligenous heads in the Maritime Zone.
Official Cap d'Agde habitat document describing the area's rocky and coralligenous seabed context.
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