BOAT-COMPARATOR Guide
Boat Rental in Arzon: Le Crouesty, the Jument Current and the Gateway to the Gulf of Morbihan
Port-Navalo, the famous Jument current, Île aux Moines within easy reach: the guide to renting a boat from Arzon, at the tip of the Rhuys peninsula.
At the tip of the Rhuys peninsula, Arzon holds a special place in the Gulf of Morbihan: on one side, Le Crouesty, one of the biggest marinas on the Atlantic coast; on the other, tiny Port-Navalo, sitting right at the mouth of the narrows — the best vantage point on the region's most impressive current.
The Jument current: the real subject of local sailing
The narrows connecting the ocean to the Gulf of Morbihan reach, at the Jument current, record speeds for Europe (up to 8-9 knots at the strongest coefficients). That is not a technical footnote — it is the one factor that shapes the whole day. A coastal engineering study on the tidal-power potential of this narrows confirms it ranks among the strongest tidal currents in Europe, with speeds that make it a textbook case for researchers well beyond recreational boating (Thiebot, Sedrati & Guillou, 2023). You cross the narrows at slack water or with the flood, never against the current on a small engine, and the operator will give you the turn-of-tide time to aim for at departure — a point always covered during the technical briefing before departure.
Two very different outings from Arzon
Inland, the Gulf of Morbihan unfolds some forty islands and islets, including the popular Île aux Moines, with its sheltered anchorages and white houses with coloured shutters — a gentle outing, manageable even on a licence-free boat once the narrows are crossed at slack water. Offshore, head for Houat and Hoëdic, two wilder Breton islands, or the wide bay of Quiberon — more open-ocean sailing, better suited to crews already used to Atlantic swell.
When to go
May to September, with one real local advantage: even at the height of summer, the ocean breezes stay moderate and the real limiting factor remains the current rather than the wind. Timing outings around the turn of the tide, rather than around a convenient departure time, is the number-one habit of gulf regulars.
Comparing boats at Le Crouesty
Boat-Comparator queries Boataround, SamBoat, Click&Boat and GlobeSailor live to show boats available at Le Crouesty marina on your dates, with real prices. To compare with other entry points into the gulf, our guides to the Gulf of Morbihan and La Trinité-sur-Mer round out this trip.
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