Spas with reservation required in Spain

Barcelona, Catalonia

Adults-only thermal baths in a converted 18th-century building near Barcelona's Born market, with soaking pools, massages and couples rituals.

Madrid, Community of Madrid

A Moorish-style hammam near Plaza Mayor in central Madrid, with thermal pools, a relaxation lounge and treatment packages for adults and couples.

Seville, Andalusia

Reservation-only day spa in Seville with a thermal circuit, relaxation lounge and nine treatments; minimum age 16, no walk-ins.

Playa Blanca, Canarias

Reservation-only day spa in Playa Blanca offering 24 massage, facial and body treatments, including couples sessions and kids' massage.

Barcelona, Catalonia

Rooftop day spa at Casa Bonay hotel in Eixample with dry sauna, hammam, ice bath and a Japanese ofuro, booked by small-group circuit or free use.