Oslo Badstuforening branch Langkaia is located near the opera house and offers a varied selection of saunas, including Bademaschinen, Isfuglen, Snipa and Rådhuset. The association's facilities include both a communal sauna and the option of private hire. Membership gives access to benefits such as monthly passes and annual passes. Sauna rituals with herbs, steam and fragrance are also arranged on Wednesdays and Fridays, as well as stretching on Mondays.
The association emphasizes accessibility and an inclusive atmosphere, and offers activities and events for various target groups. In addition, it is possible to participate in voluntary projects and contribute to the community. Oslo Badstuforening was voted Oslo's best association in 2022, and everyone is welcome to make use of the offers.