Bywater Sauna
Seattle, United States
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$$
Mid-range
Session-booked
Access
Finnish
Sauna type
Cold PlungeMobileOceanOutdoorUrban
About
Sauna sessions run beside open water at Golden Gardens and Alki Beach, with two further sites through the colder months. Sessions of 60 or 75 minutes are booked online in advance, and guests cycle between the sauna and the water at their own pace. Bring your own towel; there are outdoor rinse showers.
Good to know
- Cold plunge available on site: use it between rounds for the classic contrast cycle.
- Mobile operator: the sauna travels, so the location is part of the booking. Check the current site before you arrive.
- Right on the sea: expect saltwater dips between rounds, cold even in summer.
- Set up outdoors: weather is part of the experience, so dress for the walk between cabin and water.
- Urban venue: it sits inside the city rather than at a coast or lake. A session fits into a day in town.
Hours
- Hours not listed
No opening hours: access is by individually timed 60 or 75 minute sessions. The Leschi site runs October-April and the Old Stove site October-June.
Common questions
Do I need to book Bywater Sauna?
Yes. Sessions are booked in advance, usually as a timed slot. The whole sauna can also be hired privately.
How much does Bywater Sauna cost?
Sessions are typically $25โ50 a person.
Does Bywater Sauna have a cold plunge?
Yes. There is a cold plunge on site for contrast rounds.



