Castelbrac Hôtel & Spa.

Perched on a cliffside overlooking the Baie du Prieuré, Castelbrac occupies a 19th-century villa that has lived several lives, from a private estate to a marine research station for explorer Jean-Baptiste Charcot. The 25 sea-facing rooms channel an Art Deco revival, utilizing a palette of ocean blues and greens alongside porthole-style windows and private terraces. The history is woven into the amenities: the Jules Verne-themed aquarium bar sits where Charcot once studied marine life, while the restaurant, Le Pourquoi Pas, serves local Breton seafood with views of the Saint-Malo ramparts. Beyond the lap pool and spa, the hotel offers a distinctively local touch with its own vintage motorboat for exploring the Emerald Coast and nearby Channel Islands. It is a refined, quiet retreat that feels more like a private residence than a traditional hotel.