West Side Sauna The Penthouse sauna is available from 5pm–10pm. Users must leave the premises no later than by the end of the user hours Sauna: Space for 8 people. The sauna can be warm from 5pm until 9:30pm. Lounge: Sofas, a long bench in front of the window, and stools. The space accommodates up to 15+ people.When making Reservation, please note!Arrival date = The day you want to reserve The Penthouse Sauna between 5pm and 10pmDeparture date --> For technical reasons this must be the next day