Sheltered by a pine wood and overlooking the ocean, the Hôtel Mercure Thalassa Les Sables d'Olonne offers a peaceful and sunny setting just a stone's throw from one of the coast's most beautiful beaches. Enjoy a treatment in the adjoining thalassotherapycenter, a makeover in the calm of our beauty area, a workout in our fitness area, or unwind in our heated sea water pool (no swimming shorts), sauna, hammam, or whirlpool bath.

Your hotel offers

The Thalassotherapy Institute features bright treatment rooms with large windows looking towards the outside. Modern, highly effective equipment, highly trained staff specialising in Accor Thalassa treatments.

The treatments

• Young Mother :
  3 thalassotherapy treatments per day plus 1 re-education session per day, 1 post-natal aquafitness course per day and 1 consultation with dietician during the stay.
  
  
• Anti-Stress :
  Aims: reduce nervous tension and restore balance between body and mind. Learn how to relax, control the negative effects of stress and be at one with your body. Program of 30 treatments over 6 days.
  
  
• Fitness :
  Accor Thalassa has put all its savoir-faire into developing a special program to restore your sense of well-being and help you find a balance. Let any tiredness drain away and feel your body and spirit soar!
  
  
• Health :
  Capitalize on your state of well-being by taking sea water treatments, massages and sessions given by kinesiotherapists that will help you predict or soothe pain and encourage joint mobility. 27 treatments over 6 days.
  
  
• Ocean Sport :
  In this fully personalized program you will be supported by a professional sports coach. The three-pronged approach includes hydrotherapy treatments, individually coached sporting activities and an output-adapted diet.
  
  
• Vital Harmony :
  5 thalassotherapy treatments per day. The package is available for a minimum of 6 days' treatment/7 nights' accommodation. Harmony Week helps free your body and mind gently and pleasantly, giving you a feeling of immediate bliss.
  
  
• Marine Slimming :
  A program combining a healthy diet, fitness treatments and beauty treatments so that you can enjoy losing weight and learn about a new, balanced life during and after your stay. Healthy full board option is included in the package
  
  
• Ocean Vitality :
  The 6-day programme includes 1 physical fitness and diet assessment, 5 physical activities performed in a marine environment either indoors or out, 18 thalassotherapy treatments incl. 6 recovery massages. Consultation with dietician included.
  
  

Short breaks

• Zen ShortBreak :
  This is the ideal program to soothe you into instant relaxation and alleviate daily stress. 3 daily treatments from our relaxing and calming treatments, relaxing massages and hydrotherapy treatments.
  
  
• Beauty ShortBreak :
  Intended to care for your body, make your skin radiant and banish signs of tiredness in an instant. 3 treatments per day from a choice of facial and/or body treatments, relaxation sessions and hydrotherapy treatments.
  
  
• Discovery package :
  Spoil yourself for a weekend: discover the joys of thalassotherapy treatment and the pleasures of good food, snuggle up in your room or take a walk along the beach. With the Discovery Stop, you'll find that all your wishes are granted.