Community sauna · 🇫🇮 Helsinki, Finland

Sompasauna

Volunteer-run, free seaside sauna where visitors heat the stoves themselves at any hour of the day or night. Clothing is optional and bathing is mixed; bring your own towel, drinking water and a padlock, as there is no running water or staff.

Sea swimmingIce swimming in winterWood-firedMixedNude bathingFree entryOpen year-round

Good to know

Nude bathing is allowed or expected – check the venue's rules for mixed areas.
Cool off with a swim between rounds – even in winter.
Entry is free – donations or helping out with firewood are appreciated.

Location

Kansanpuistonpolku 5, 00570 Helsinki

Details checked against the venue's official information on 2026-09-30. Prices and hours change – please confirm on the official website before visiting. Sources: sompasauna.fi.

More saunas in Helsinki

See all →

Urban spafrom €29

Löyly

🇫🇮 Helsinki, Finland

Architect-designed timber sauna complex on the Hernesaari waterfront, with a smoke sauna and a wood-burning sauna shared by all guests in swimwear. Between rounds you can dip in the Baltic straight from the terrace, even in winter, and the restaurant upstairs makes it an easy half-day outing.

Sea swimmingIce swimming in winterSmoke sauna

Urban spafrom €19

Allas Sea Pool

🇫🇮 Helsinki, Finland

Harbourside pool complex next to Market Square with a heated freshwater pool, a cold seawater pool and several saunas looking out over the South Harbour. It is one of the most central places in Helsinki to combine a swim and a sauna, with cafés and a rooftop bar on site.

Sea swimming

Traditional public saunafrom €16

Kotiharjun sauna

🇫🇮 Helsinki, Finland

Family-run neighbourhood sauna in Kallio dating from 1928 and described as the last wood-heated public sauna in Helsinki. Men and women bathe on separate floors in the traditional way, and regulars cool off on the pavement outside between rounds.

Nude bathing