Cap d'Agde
Cap d'Agde anchorage · Île des Deux Frères
43°16.5'N 003°29.9'E
Depth
4–10m
Bottom
sand
Alarm Radius
90m
Holding
Fair Holding
Recommended Anchor Alarm Radius
90m
90m on mixed sand/rock. Fair holding — snorkel to verify in sand. Good NW shelter from basalt headland. Open to S/SE. DONIA app mandatory.
About This Anchorage
Cap d'Agde is the one genuine natural feature on the otherwise relentlessly flat Languedoc coastline — a volcanic basalt headland (Mont Saint-Loup) formed by an ancient lava flow from the Hérault hinterland. The basalt cape provides useful NW/Tramontane shelter for the anchorage on its E side. The Cap d'Agde marina complex is one of the largest in Europe (9,500 berths in the broader resort) and is famous for its naturist village district (Quartier Naturiste — the world's largest naturist resort). The basalt geology around the cape creates excellent diving and snorkelling conditions — unusual on the sandy Languedoc coast. The town of Agde (Latin: Agatha), 4km up the Hérault River, is built entirely of black basalt and is one of the oldest continuously inhabited towns in France (founded by Greek colonists in 525 BC).
Protected From
N · NW · W
Exposed To
S · SE · E
Setting Your Anchor
- 1.DONIA app first: Before dropping anchor anywhere on the Gulf of Lion coast, open the DONIA app and verify no Posidonia meadows are present at your intended spot. Anchoring on Posidonia carries fines of up to €150,000 — no exceptions.
- 2.7:1 scope minimum: The Gulf of Lion demands maximum holding. Use at least 7:1 scope (chain length to depth) at Cap d'Agde. On sandy bottoms, reverse slowly to set the anchor firmly before trusting it.
- 3.Mistral escape plan: Before anchoring, identify your nearest marina or lagoon refuge and confirm you can reach it in deteriorating conditions. The Mistral can accelerate from 0 to 50kt in under 2 hours. Always have a plan before the anchor is down.
- 4.Set your anchor alarm to 90m immediately after anchoring. On this coast, you must know the moment your boat moves.
Anchoring Rules
- Anchoring fee
- Free
- Permit required
- No
- Mooring buoys
- None
Restrictions: Fair holding on mixed bottom — verify anchor set. MISTRAL WARNING: Headland gives W/NW shelter but Mistral can reach 60–70kt — enter Cap d'Agde marina BEFORE any NW wind develops. DONIA app mandatory (Posidonia present around the cape). Open to S/SE/E — leave immediately if Marin develops.
Hazards
- !MISTRAL: Basalt headland gives some NW shelter but Mistral can reach 60–70kt — marina is the only safe refuge
- !Mixed rock/sand bottom — fair holding; always snorkel to verify anchor in sand patch
- !DONIA mandatory: Posidonia present around the cape on rocky substrate
- !Marin (SE) swell enters freely
Skipper's Tips
- →The basalt diving around the Île des Deux Frères is the best on the Languedoc coast — remarkable contrast to the endless sandy seabed.
- →Agde old town (4km up the Hérault River) is built entirely of black volcanic basalt — one of the most unusual town architectures in France. Hire a bicycle.
- →The marina (one of the largest in Europe) has all facilities — fuel, water, chandlery, supermarket.
Facilities
Cap d'Agde marina complex has extensive restaurants, shops, and supermarket. The naturist district has its own restaurants and bars (naturist code applies in that zone).
Nearest provisions: Cap d'Agde (1nm)
Best Months & Season
May, June, September, October
May–October. Marina essential Mistral backup. Free anchorage is fair-weather only. Busy in summer — the naturist resort attracts huge summer crowds.
Recommended Anchor Types
Nearby Anchorages
Sleep peacefully at Cap d'Agde
The Mistral can arrive overnight on the Gulf of Lion — accelerating from calm to 50+ knots before dawn. The Tramontane at Leucate can hit 60kt without warning. Safety Anchor Alarm wakes you the instant your boat drifts beyond 90m, giving you time to act before the situation becomes critical.
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