Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
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Dense, salty water — you float without effort.
SodiumChloruresBrome
Thalasso Île de Ré on the Île de Ré, Charente-Maritime, draws Atlantic seawater from one of France's most beloved islands — a 30 km sliver of salt marshes, vineyards, whitewashed villages, and bicycle paths connected to La Rochelle by a 3 km toll bridge — for marine hydrotherapy combining the island's exceptional natural marine environment with contemporary thalassotherapy treatments. The Île de Ré's traditional salt production in the marais salants (salt marshes) and fleur de sel harvesting, the Phare des Baleines lighthouse, the medieval Abbey of Châteliers, and the donkey-with-culotte (the island's emblematic long-eared mascot who wore canvas trousers to protect from horse flies) give this island an irresistibly charming identity. The combination of Atlantic cycling, oyster-tasting, Pineau des Charentes aperitif culture, and seawater thalassotherapy makes the Île de Ré one of France's most complete Atlantic island wellness experiences.
Insider tip — The Ile de Re thalassotherapy centre harnesses the rich Atlantic seawater heated to 35°C from its pristine surrounding bays, famed for producing some of France's finest fleur de sel. The island's flat cycling paths threading past salt marshes, vineyards, and whitewashed villages make it one of France's most beloved coastal retreats. Marine jet showers, seaweed immersion baths, and pressotherapy complement the naturally invigorating sea-air microclimate. The evening golden light over the marshes — known locally as the lumiere re-aise — is a fitting end to any thermal day.