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Hotel closed until April 26, 2026

5-day treatments

Treat yourself to a wellness interlude in our Thalasso Spa, a haven of relaxation nestled on the Basque coast. Discover our exclusive selection of à la carte massages and treatments, designed to soothe body and mind. Whether you’re looking for deep relaxation, a rejuvenating facial or a tailor-made sensory ritual, our team of experts can offer you top-of-the-range services tailored to your needs.

Femme cheveux court au soleil devant la mer

Serenity immersion

My anti-cortisol break: I want to reduce stress and regain my inner balance
Starting from 1 500€
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All our treatments in one guide

Download the Treatment Guide and explore all our relaxation rituals, massages and tailor-made experiences. Breathe in, relax… you’re already there.

Réservez votre séjour en quelques clics

Meilleur tarif garanti

Annulation flexible

Offres exclusives en ligne

Paiement sécurisé

Book your stay in just a few clicks

Best rate guaranteed

Flexible cancellation

Exclusive online offers

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Special closure

Dear Customers, Le Grand Hôtel Spa & Thalasso is reinventing itself.
Our establishment will be closed from September 30, 2025, to April 26, 2026, for an ambitious renovation. We look forward to seeing you next spring to discover an even more refined venue, faithful to its history and looking toward the future.