Bywater Sauna
Sauna and cold plunge in Alki Beach.
Alki Beach and Golden Gardens wood-fired barrel sauna with open-water cold plunge (plus seasonal Ballard / Leschi sites) when you want beach communal contrast.
No verified studio photos yet
Check the official website for photos and a closer look at the space.
Quick answer
Is Bywater Sauna good for beach sauna and open-water cold plunge in Seattle?
Yes. Bywater Sauna is a communal contrast studio in Alki Beach with wood fired barrel sauna and open-water cold plunge. Hours are not currently published, so check the official site for current times. Drop-ins are about $35 to $40.
About this studio
Bywater Sauna parks wood fired barrel saunas by Puget Sound and Lake Washington for class style sessions. Weekday sessions publish around $35 and weekends around $40 for 60 to 75 minutes.
Alki and Golden Gardens are the main sites; Old Stove in Ballard runs seasonally; Leschi was marked currently closed on our last check. Open water is the cold side, not a filtered tub. Bring a towel and book a specific session online. Always say Alki Beach / Golden Gardens in public copy so beach geo stays Seattle-clear.
- Wood fired barrel sauna next to open water
- Self paced hot/cold cycling during a timed group session
- Communal outdoor format with limited spots per session
- Public bathhouse rinse showers nearby, not private studio showers
Available options
See all →- About $35 to $40
Session
weekday lower, weekend higher
Amenities
Amenities not yet fully verified
Specific amenities (towels, showers, lockers, and similar) have not been confirmed yet. Check the studio website for details.
Location
Map unavailable without a verified pin.
Common questions
Is the cold side a plunge tub?
No. Bywater uses open water (or cool air) next to the barrel. Know the site rules and your limits before you book.
Do I need a membership?
No. Drop-in session bookings are the usual entry; memberships are optional for regulars.
Is Bywater Sauna communal or private?
Bywater Sauna runs a communal, shared format in Alki Beach, with wood fired barrel sauna on the heat side and open water cold plunge on the cold side. That was the format on our last operator check, so confirm on the studio site before booking.
Thinking about home?
Building a home setup instead of another drop-in? Home cold plunges and home saunas compare published prices. Also see Plunge vs Ice Barrel, home sauna vs cold plunge, and home plunge vs studio membership.
Keep comparing
Doing this at home instead? We compare home cold plunges and home saunas on published prices, with the dates we checked them.
More studios in Seattle
See all Seattle studios →Sources Corrections Last checked 2026-09-15
From $35
on official site