Mandalay Spa Altis Porto is the spa of the Altis Porto Hotel in the city centre, run by the Mandalay Spa group with Thai and Ayurvedic-inspired treatments. Its wet area has a heated indoor dynamic pool, a sauna, a Turkish bath and an ice fountain for cooling, plus four treatment rooms and a Zen lounge. Treatment guests are asked to arrive early to use the wet area and to bring a swimsuit and cap for the pool, sauna and Turkish bath. Open daily 10:00 to 19:00.