Sofitel Quiberon Thalassa Sea & Spa - Luxury hotel - Seawater Spa Institute

Seawater Spa Institute

Pionner in Thalassotherapy in France, the Institute Thalassa sea & spa in Quiberon offers more than half a century of expertise and skills for a sustainable well-being.

Our hydrotherapists, beauticians, sports coaches and physical trainers, physiotherapists, masseurs and relaxologists offer a wide variety of treatments and personalized support so that everyone can achieve their own goals.



Our hydrotherapy pool and its exterior whirpool are currently closed for a complete makeover before their reopening by July.
Our seawater swimming pool remains accessible while the renovations works are in progress, as well as our mixed sauna and hammam.

The Relaxing Area (swimming pool, sauna, hammam) and the Fitness Area will be exceptionnally closed from June 20 to June 24.




Discover all our treatment programs in our Brochure :

Learn more abour our A la carte Treatments here :



Informations & Reservation

+33 (0)2 97 50 48 88



* Pets are welcomed in our hotel but not allowed in the Institute.



To offer you a wide range of effective treatments, our Institute has partnered with prestigious and recognized brands: Thalassa Sea & Skin, Biologique Recherche, Jane Iredale, Leonor Greyl, D-Lab, etc.


We inform you that our car parks for the Hotel and the Institute are now paid-parking, by hour rate and daily package for guest staying at the hotel.

Sofitel Quiberon Thalassa Sea & Spa
Book your stay

From   to

Room 1