Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
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Dense, salty water — you float without effort.
SodiumChloruresBrome
Institut Marin Royan is a prestigious thalassotherapy institute located in Royan, a seaside resort on the Charente-Maritime coast of France, where the Atlantic Ocean provides the chlorinated seawater at the heart of its spa treatments. Thalassotherapy — the use of seawater, sea air, and marine-derived products in wellness programmes — has a distinguished tradition in France, and Royan's marine institute is among the recognised centres of this practice. The institute combines supervised spa programmes with the bracing coastal environment of the Charente estuary, set against Royan's striking post-war modernist architecture.
Insider tip — Institut Marin Royan is a seawater thalassotherapy center on the Atlantic estuary at Royan, where heated sodium-chloride seawater from the Gironde mouth is used for circulatory and post-surgical rehabilitation. The facility overlooks the sandy Grande Cote beach and the pine-forested shores of the Gironde, with the Medoc wine country visible on the far bank. Combine a thalasso session with a visit to the striking modernist 1950s basilica of Notre-Dame de Royan, rebuilt after wartime bombing.