Wiesbaden, Hesse
Historic thermal-water day spa inside Wiesbaden's Hotel Schwarzer Bock, with sauna, steam room, pool and day passes for solo visitors, couples and groups.
$$
3 spas match
Wiesbaden, Hesse
Historic thermal-water day spa inside Wiesbaden's Hotel Schwarzer Bock, with sauna, steam room, pool and day passes for solo visitors, couples and groups.
Berlin
A hotel spa inside The Mandala Hotel in Mitte, Berlin, with sauna and fitness areas, day passes for adults 14 and up.
Aachen, North Rhine-Westphalia
A suite hotel in central Aachen where each private room has its own jacuzzi and sauna, booked by the night rather than a day pass.