Harbour

Cassy

3.1Cassy, FranceArcachon basin
Maximum length
22 ft
Maximum draught
131 ft

Tidal harbour of 225 berths on the east shore of the Bassin d'Arcachon, at Lanton, Gironde.

Guide

Approach and anchoring

Approach from the main Arcachon channel via the Chenal de Cassy. The bassin is shallow; plan arrival within HW plus or minus 2 hours. Buoyed channel from the Île aux Oiseaux leads to the harbour entrance. Exposed to winds from W through SW. Beware of oyster beds on both sides of the channel, marked by withies.

Practical

Pontoons with water and electricity, harbour office on the quay open all day on weekdays and closed at weekends. Diesel berth open in season. Slipway and careening grid. Bakery, grocer and oyster shacks within 200 metres. Supermarket at Taussat, 1.5 km by road.

Ashore

Oyster village of Cassy along the quay, dozens of producers selling directly from wooden cabins. Coastal cycle path links Cassy to Andernos-les-Bains 5 km north and Audenge 3 km south. Domaine de Certes bird reserve at Audenge, former salt pans converted to fish basins, 3 km south of the port.

Key facts

Type
Harbour
Coordinates
44.71034, -1.05527 (44°42.62'N 1°3.32'W)
Town
Cassy
Country
France
Maximum draught
131 ft
Maximum length
22 ft
Boaters' rating
3.1/5
Updated
October 15, 2026

Getting there

Cassy lies at 44°42.62'N 1°3.32'W, that is 44.71034, -1.05527 in decimal degrees.

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Frequently asked questions

What boat length does Cassy accept?

Cassy accepts boats up to 22 ft.

How do boaters rate Cassy?

Cassy is rated 3.1/5 by boaters on BoatMap.

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