Sauna by the sea in Helsinki
Uunisaari's saunas sit right on the shore. In the gentle steam you feel the calm of the archipelago at its best – and cool off straight in the sea, or in the winter swimming hole once the ice is in.
Two ways to sauna
Come on your own or with a few friends to a public session, or book the whole sauna for your own party.
Book your place online, take the ferry to the island and enjoy the steam, the sea and the terrace. The perfect way to switch off midweek.
Hours vary by season
The saunas take 15 men and 12 women at a time. On winter Sundays the women’s side often fills up, so book your session early.
Book a public sessionThe whole sauna for your own group for two hours. Iso-Uuni 480 € (up to 20 people) or Pikku-Uuni 380 € (up to 12 people). Towels and toiletries included.
Stag and hen parties and birthdays
Corporate evenings and team away days
Combine with dinner or the Kota (a traditional Finnish hut)
The saunas
Uunisaari's two saunas suit small groups and larger parties alike. From the saunas you step straight down to the sea to cool off, or you can relax on the sauna terrace and take in the sea view.
up to 20 people
For large parties and corporate groupsup to 12 people
For smaller groups and celebrationsA sauna trip to Uunisaari
Choose a day and time. Payment and confirmation are handled in the booking system.
In summer the ferry from Kompassilaituri pier takes about 2 minutes; in winter you walk across the footbridge.
Gentle steam in the seaside sauna and a dip in the sea – or the winter swimming hole once the ice is in.
The terrace bar is open during sauna opening hours. The sauna menu can be ordered in advance.
Winter swimming and winter sauna
Uunisaari's saunas are open all year round. In winter there is a winter swimming hole on the island, and you reach the island on foot across the footbridge from Ehrenströmintie. Winter swimming paired with a hot sauna is one of the best ways in the city to leave everyday life behind.
Book a winter sauna session
Sauna menu
Restaurant Uunisaari's sauna menu is ordered in advance when booking a private sauna.
18 € / person
10 € / person
5 € / person
Good to know
The saunas are licensed premises – your own drinks and food may not be consumed in the sauna areas.
A private sauna booking includes a towel, seat cover and toiletries. The saunas also have a hairdryer.
The terrace bar is open during sauna opening hours.
Frequently asked questions
Didn't find the answer? Call us on 044 7711 277.
When are Uunisaari's public sauna sessions?
Public session times vary by season. This season’s times are shown at the top of this page, and the day’s status under Uunisaari today on the home page.
How many people fit in a public sauna session?
The saunas take 15 men and 12 women at a time. On winter Sundays the women’s side often fills up, so book your session early.
How do I book a sauna session?
A public sauna session can be booked and paid for online in advance. A private sauna is booked through our sales team or with the booking request form.
Can you swim at Uunisaari in winter?
Yes. In winter there is a winter swimming hole on the island, and in summer you can cool off straight in the sea.
Can I bring my own drinks or snacks to the sauna?
No. The saunas are licensed premises, and your own drinks or food may not be consumed in the sauna areas. The sauna menu can be ordered in advance.
Is there a bar at the sauna?
Yes. The terrace bar is open during sauna opening hours.
Did you leave something behind at the sauna?
You can ask about lost property by emailing sauna@uunisaari.fi or by calling the restaurant on 044 7711 277.
