Home › Seattle, WA

Public saunas & cold plunges in Seattle, WA

Seattle's sauna culture lives on the water: mobile wood-fired saunas at Alki and Golden Gardens with a dip in Puget Sound, plus private sauna-and-plunge studios.

Cheapest published single visit: $20 at Sauna Moon Seattle (30 min session). Listings are sorted from lowest entry price.

Sauna Moon Seattle

Mobile waterfront sauna
From $20 · 30 min session

Address

Alki Beach Park, West Seattle, WA (exact spot in booking confirmation)

Phone

Hours

  • Check with venue

Website

Prices

Sauna + cold plunge
60 min		$35
Sauna + cold plunge
30 min		$20
Unlimited membership$100/mo
Drop-inYes
Membership$100/mo unlimited
Couples / guestsCheck with venue
Private optionPrivate sauna rental and delivery to private events (price: check with venue)
  • Cold plunge is Puget Sound. Sessions depend on Seattle Parks permits.
✔ Last verified October 30, 2026 from:Sauna Moon Seattle – official site

Bywater Sauna

Mobile waterfront sauna
From $35 · weekday session, 60–75 min

Address

Beach locations incl. Alki Beach, Golden Gardens, Madrona, Seward Park (Seattle, WA)

Hours

  • Check with venue – sessions listed on the booking calendar

Website

Prices

Weekday session
60 or 75 min		$35
Weekend session
60 or 75 min		$40
Drop-inYes – book a spot online
MembershipCheck with venue
Couples / guestsCheck with venue
Private optionCheck with venue
  • Cold dip in open water. Rinse showers at the public bathhouses; no private showers.
  • Leschi location currently closed due to nearby construction.
✔ Last verified October 30, 2026 from:Bywater Sauna – official site

815 Refresh

Private sauna & cold plunge studio
From $35 · 1 hour, 1 person

Address

815 NE 72nd St, Seattle, WA 98115

Phone

Hours

  • Check with venue

Website

Prices

1 person
1 hour		$35
2 people
1 hour		$50
3 people
1 hour		$75
4 people
1 hour		$100
1 person
2 hours		$50
10 one-hour sessions$200
Drop-inYes – no memberships
MembershipCheck with venue
Couples / guests2 people for $50 per hour
Private optionAll sessions are private
✔ Last verified October 30, 2026 from:815 Refresh – pricing

FLOAT Seattle – Fire & Ice

Private contrast therapy (infrared sauna + cold plunge)
From $79 · 60 min Fire & Ice

Address

Studios in Greenwood, Greenlake and Renton (see website)

Hours

  • Check with venue

Website

Prices

Fire & Ice contrast therapy
60 min		$79
Add a friend (Greenwood, Renton)+$40
Drop-inYes – book online
MembershipCheck with venue
Couples / guestsAdd a friend for +$40 at Greenwood and Renton (Greenlake is 1 person only)
Private optionPrivate room
✔ Last verified October 30, 2026 from:FLOAT Seattle – pricing

Map pins are approximate (geocoded from the published address with OpenStreetMap); mobile saunas move between locations. Prices can change — confirm on the venue's website before you go. See something wrong? Tell us.