Mama Shelter Rennes is a design hotel on Place de la Trinité in central Rennes with a ground-floor wellness area holding a 20 m indoor pool heated to 29 degrees, a sauna, a hammam and a hot tub, and the Spa MamaSkin treatment rooms under a stone vault in the basement. Outside visitors who book a treatment can add 90 minutes in the sauna, hammam, pool and hot tub between 10:00 and 19:00 for 40 EUR; hotel guests get a one-hour slot per night. Reservations are required and flip-flops must be worn.