Sauna – Kostheim indoor pool

Mon: closed
Tue to Fri: 7 am – 1 pm and 3 pm – 9:45 pm
Sat and Sun: 9 am – 12:30 pm and 1:30 pm – 5 pm

All opening times at a glance…
Last admission is one hour before closing time; the pools are emptied 30 minutes before closing time.

Check admission fees…

Hallenbad Kostheim
Waldhofstraße 11
55246 Mainz-Kostheim

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Accessibility by public transport:
Bus line 33 to Uthmannstraße; Mainz bus lines 56 & 57 to Hallenbad.

Hot on top: your rooftop sauna…

Kostheim indoor pool is a real treat for sauna lovers, featuring three sauna houses on its roof.

Indoor sauna

The indoor sauna has an area of 257 m². We have a Finnish infusion sauna at a temperature of 95°C and a humidity of 10 to 15% (the infusions are refreshed every hour with different scents).

Outdoor sauna

The outdoor sauna has an area of 245 m². It is used as a Finnish dry sauna at a temperature of 85°C, and alternatively as a sanarium (organic sauna) at a temperature of 65°C and a humidity of 40 to 55%. You can also enjoy a steam bath at a temperature of 42°C and a humidity of 95%, as well as a large outdoor area with green plants and different quiet zones for relaxing and unwinding. Massages are offered by appointment only.