The Fontenay Spa is the 1,000 square metre rooftop spa of The Fontenay hotel on the Outer Alster in Hamburg. It has a Finnish panorama sauna, a quartzite steam bath, experience showers and an ice fountain, a 20 metre indoor-outdoor pool with sun terrace and rest zones, and a private spa suite with its own sauna, steam bath and whirlpool bookable by the hour. Day guests pay €85 for four hours Monday to Thursday and €95 Friday to Sunday, including bathrobe, slippers, towel and drinks.