Lammi Biological Station offers saunas for rent to all visitor groups.

The lakeside sauna has a sitting area with a fireplace, a shower facility and the sauna itself. Swimming is possible year round, and the jetty can accommodate both small and larger groups.

The student hall of residence has two saunas available for rent. They are suitable for groups wishing to use the communal lounge in the hall at the same time.

The interior of the lakeside sauna building was renovated in 2023. The building also includes a spacious common room with a fireplace. In the winter, visitors can try ice swimming.