Sauna – Kostheim indoor pool

Monday: closed
Tuesday to Friday: 7 am – 9:45 pm
Saturday and Sunday: 9 am – 5 pm
Saturday Women’s Bath Time: 5 pm – 8 pm | Attention: E-ticket necessary!
(Not during the Hessian summer holidays and the fasting month of Ramadan).

Closing time 1 hour, closing time 30 minutes before the end of the opening time.

Mon. (Mixed): 1 pm – 9:45 pm
Tues. (Men): 1 pm – 9:45 pm
Wed. (Ladies): 8 am – 1 pm
Wed. (Mixed): 1 pm – 9:45 pm
Thu. (Ladies): 1 am – 9:45 pm
Fri. (Mixed): 1 am – 9:45 pm
Sat. and Sun. (Mixed): 9 am – 5 pm
The swimming hall cannot be used on Monday.

All opening times at a glance…
The ticket office closes one hour and the pool closes 30 minutes before the end of opening hours.

Please note: Multiple tickets (e.g. 5-person tickets) purchased before 01.01.2020 are only valid until 31.12.2022 and then expire without replacement!
For reimbursement, please contact our service hotline on 0611 318006 or the ticket office in the bathroom.
Check admission fees…

Hallenbad Kostheim
Waldhofstraße 11
55246 Mainz-Kostheim

Google Maps

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%.

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.