Serenity Spa at Sheraton Cascais Resort sells a one-day Thermal Oasis pass with sauna, steam room, jacuzzi, indoor pool, ice fountain and sensory showers. Choose the Cascais location when buying; the product lists €50–€75 across its locations. The spa is for visitors aged 16 and over, and a swim cap is needed for the pool.
Amenities
Sauna Rituals
Cold Plunge
Private Sauna Available
Opening Hours
Daily 10:00–19:00; book Thermal Oasis access ahead