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FindSaunaPlunge

Best cold plunge & sauna studios in Boston

All 18 studios we track in Boston, MA, ranked by facts they publish themselves. There are no scores on this page and no editorial picks — each list sorts on one number, that number is stated, and you can see it in every row.

Studios
18
Coldest published
45°F
Entry from
$46
Last checked
Sep 24, 2026

Cheapest published entry

Sorted by the lowest published single-visit price — a drop-in or a day pass, whichever is cheaper. Memberships and intro offers are excluded because they are not what a first visit costs. 13 of the 18 studios here do not publish it and are therefore absent from this ranking rather than placed at the bottom.

  1. 1Frost & FloatNewton · from $46$46
  2. 2Moki Sauna AllstonBoston · from $59$59
  3. 3Moki Sauna South BostonBoston · from $59$59
  4. 4Float BostonSomerville · from $75$75
  5. 5Kelo Spa & SteamNewton · from $89$89

Private suites

Studios where the sauna and plunge are booked as a private room for you or your group, rather than a shared floor. Sorted by published entry price, cheapest first. 16 of the 18 studios here do not publish it and are therefore absent from this ranking rather than placed at the bottom.

  1. 1Float BostonSomerville · from $75Private suite
  2. 2IV League Hydration - L Street (Fire & Ice Contrast Therapy)BostonPrivate suite

Every Boston studio, side by side

All 18 studios we track in Boston, MA. An — means the studio does not publish that detail — we never guess.
StudioAccessPlungePer visitMonthlyChecked
B/SPOKE South Boston - REVIVE RecoveryCommunal———
Backyard Boston————
Cloud-9 Float & Wellness————
Float BostonPrivate suite—$75from $59
Frost & Float——$46—
Healthworks Back Bay - Restore Spa————
Healthworks Cambridge - Restore Spa————
Healthworks Coolidge Corner————
IV League Hydration - L Street (Fire & Ice Contrast Therapy)Private suite45–55°F——
Kelo Spa & Steam——$89—
Life Time Chestnut HillCommunal———
Life Time NorthshoreCommunal———
Life Time Prudential Center————
Moki Sauna Allston——$59—
Moki Sauna South Boston——$59—
Republic Fitness Davis Square - Restore SpaCommunal———
Restore Hyper Wellness Newton————
Restore Hyper Wellness Somerville————

Best cold plunge & sauna in Boston: FAQ

What is the cheapest cold plunge or sauna in Boston?
Frost & Float ($46), then Moki Sauna Allston ($59). Sorted by the lowest published single-visit price — a drop-in or a day pass, whichever is cheaper. Memberships and intro offers are excluded because they are not what a first visit costs. 13 of the 18 studios we track in Boston do not publish this figure, so they are not ranked here.
Where can I book a private sauna and cold plunge in Boston?
Float Boston (Private suite), then IV League Hydration - L Street (Fire & Ice Contrast Therapy) (Private suite). Studios where the sauna and plunge are booked as a private room for you or your group, rather than a shared floor. Sorted by published entry price, cheapest first. 16 of the 18 studios we track in Boston do not publish this figure, so they are not ranked here.
How is this "best" list decided?
By published facts only. Each ranking sorts on a single figure the studio publishes — a temperature, a price, an access model — and that figure is shown in every row. We have not visited these studios and publish no ratings, scores, or opinions about them. Every listing shows the date we last checked it, so you can judge how current it is yourself.

Want the full listings with hours, booking links, and what each studio does not publish?

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