Soins thalassothérapie : algothérapie

A cure thalassotherapy allows to benefit at the most from benefactions of the sea water, but also from seaweeds and from some marine mud. The sea water , rich in trace elements and minerals , helps revitalize the body.

Algae have trace elements and vitamins. They allow to cleanse the skin and to rebalance it. Sea mud, rich in trace elements, is known for its analgesic and detoxifying properties. Applied directly to body parts, sea mud helps restore suppleness and vitality to the skin.


In the Mont-Saint-Michel bay, on the outskirts of Granville, the newly opened Prévithal institute has an exceptional location overlooking a majestic site. Entirely dedicated to treatments, this area is made up of two areas:

  • The 'dry zone’: hydrojet, massage cabin, physiotherapy treatments with Ecole du dos© (spinal rehabilitation) area.
  • The ‘wet’ zone: rehabilitation pool, marine mud bath, seaweed wraps and applications of marine muds, hydro massage bath, jet shower, affusion shower, marine hydromassage and foot spa. A cabin offering all of these treatments s available for those with reduced mobility.


Application of hot or cold muds from the marine sediments of the Bay of Mont -Saint- Michel on the areas to be treated (sup 15 € for the complete envelope).

50€ Book

Local application of hot seaweeds. Analgesic and relaxing care (15-€ supplement for the complete envelope).


50€ Book


Immersion in a bath of warmed sea water added by marine muds from the bay of the Mont Saint Michel allows to take advantage completely of active ingredients in the remineralizing virtues, décontractantes, anti-inflammatory.

50€ Book

Bath of sea water enriched of seaweeds which reload and rebalance the body in trace elements.

50€ Book
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