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Grand Tonic Hôtel & SPA Nuxe

Biarritz, Nouvelle-Aquitaine

Nuxe-branded hotel spa inside the Grand Tonic in Biarritz, open to hotel guests for treatments, a relaxation lounge and private suites.

Coastal rocky shoreline with turquoise ocean and distant city skyline
  • Modern indoor swimming pool with wooden doors and blue tile flooring
  • Spa treatment room with massage beds and wooden cabinetry
  • Grand Tonic Hôtel & SPA Nuxe photo 4
Photo: official website

At a glance

Price
$$$
Visit website05 59 24 58 58
Access
Hotel guests only
Amenities
Private suitesRelaxation loungeRestaurant or café
Good for
Couples
Price
Upscale

The Grand Tonic Hôtel & Spa Nuxe sits in Biarritz's Impératrice quarter, a short walk from the Grande Plage and the Casino Barrière. The spa is part of a 64-room boutique hotel and runs on Nuxe products, with private treatment suites and a relaxation lounge set aside for slower afternoons between sessions.

Access is tied to the hotel: this is a spa for guests staying on-site rather than a stand-alone day-pass operation. Couples traveling together are a natural fit, and the hotel's Junior Suite goes a step further with its own hammam and a terrace looking out over the city, for those who want spa time without leaving the room.

Beyond the treatment rooms, the hotel folds wellness into the stay more broadly — most rooms come with a balneo bathtub, and there's room service covering everything from breakfast to dinner off the restaurant's menu. The property has also pushed an environmental angle since 2023, with solar panels, EV charging points, French-made bikes for getting around town, and the removal of plastic packaging.

For anyone booking a stay with spa time in mind, it's worth confirming treatment availability and any extra charges directly with the hotel, since the spa operates as part of the room package rather than a separate walk-in facility.

Good to know

Can non-guests book a spa visit?
No — access is limited to hotel guests staying at the Grand Tonic, not open as a stand-alone day pass.
What products does the spa use?
The spa runs on Nuxe skincare and body-care lines, which also feature in a dedicated article by Standards Magazine.
Is there a hammam?
The hotel's Junior Suite has its own private hammam and terrace; check with the hotel whether a shared hammam exists elsewhere in the spa.
What's the price tier?
The spa is classed as upscale (tier 3 of 4), reflecting its place within a boutique hotel rather than a budget wellness center.
What are the opening hours?
Specific daily hours aren't clearly listed; confirm treatment availability and timing directly with the hotel at 05 59 24 58 58.

Details checked October 2, 2026. Prices and hours change; confirm before you go.

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