Thalassotherapy and Thermal Spa Institute in Les Sables-d'Olonne, Vendee, France | Spa | Therapies | Wellness | Therapeutic Massage | Thalassotherapy

Thalassotherapy and Thermal Spa Institute located at the Hotel Mercure Thalassa Les Sables d'Olonne offers various treatments for health and harmony and programs to soothe you. And indoor heated pool is available as well as treatment and rest rooms and a fitness centre. Treatments are for short or long stays and offer guests wellbeing unsurpassed. Relax and enjoy treatments, relaxing massages and hydrotherapy treatments and so much more.