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.

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.

An indoor pool with so much more…

The indoor area features a horseshoe-shaped pool for swimmers, non-swimmers and divers with 570 m2 of water and a parent and child area.

The indoor pool is divided into the following sections:

Swimmers’ pool

  • Size: 25 x 12.5 m
  • Area: 312,5 qm
  • Swimming lanes: 5 swimming lanes (25 m each)
  • Depth: 1.40 to 1.80 m

Diving pool

  • Size: 10.6 x 12.5 m
  • Area: 132,5 qm
  • Diving boards: one 3 m board and two 1 m boards
  • Depth: 3.80 m

Non-swimmers’ pool

  • Size: 10 x 12.5 m
  • Area: 125 qm
  • Depth: 60 cm to 1.35 m
  • Water temperature: 27.5°C with an air temperature of 30°C

Parent and child area

  • Size: 8.75 x 3.75 m
  • Area: 33 qm
  • Depth: max. 30 cm
  • Water temperature: 32°C with an air temperature of 36°C

Three sauna houses can be found on the roof of the indoor pool.

Indoor sauna

Area: 257 qm. Finnish infusion sauna with a temperature of 95°C and a humidity of 10 to 15% (the infusions are refreshed every hour with different scents).

Outdoor sauna

Area: 245 qm. Finnish dry sauna with a temperature of 85°C, which is also used as a sanarium (organic sauna) with a temperature of 65°C and humidity of 40 to 95%. Steam bath with a temperature of 42°C and a humidity of 95%. Large outdoor area with green plants and different quiet zones for relaxing and unwinding; massages by appointment only.

Other facilities

  • Table tennis room
  • 100 parking spaces

Outdoor area (open from April to October, depending on the weather)

  • 4.000 qm
  • 2 table tennis tables
  • Exciting climbing frame for toddlers

Disabled facilities

Wheelchair access, wheelchair-friendly toilet and changing facilities, and four disabled parking spaces.