Finnish · Steam★ 5(165 reviews)

SISU Sauna and Cold Plunge

About this Sanctuary

Sisu Sauna and Cold Plunge offers a unique and rejuvenating experience in Boise, blending traditional Finnish sauna culture with modern wellness practices. The facility is beautifully designed, exuding calmness and sophistication, which is enhanced by the fresh eucalyptus scent that permeates the steam rooms. Guests can enjoy three rounds of therapy, each round starting in the warm, inviting dry sauna at an optimal temperature of 185°F before transitioning to the invigorating cold plunge pool, which consistently maintains a brisk 40°F. The experience is both physical and spiritual, promoting relaxation, detoxification, and overall well-being. Sisu prides itself on its clean and spacious environment, making it ideal for groups or solo visits alike. The attentive staff ensures that every aspect of the visit is seamless, from answering questions to offering towel service. Whether you're seeking a personal wellness retreat or a fun evening with friends, this venue delivers an unparalleled experience.

Heat

Finnish · Steam

Listed temperature: 180-200 degrees

Crowd: Quiet

When to go

Quieter Friday around 9 pm.

Busier Friday around 7 am.

Listed hours: 6 am-10 pm

What it costs

$35Per visit

“sign Never Expires Gift Cards Sisu Gift Cards single session one time payment $35 Total Savings $0 Cost per session $35 Savings per session $0”

Source: venue website

$80Monthly membership

“Cost per session $25 Savings per session $10 4 sessions Per Month – membership $80 Total Savings $60 Cost per session $20 Savings per session $15”

Source: venue website

Quoted from the venue's own website, checked Sep 29, 2026. Weekend, holiday, and seasonal rates often differ. Confirm when you book.

What guests mention

Patterns summarized from public reviews. This is not a visit by My Local Sauna.

What Guests Love

Authentic wood-burning sauna heat
Consistent and icy cold plunge pool temperature (40°F)
Clean and spacious facilities
Beautifully designed and thoughtfully decorated
Inviting eucalyptus scent in the steam rooms

Good to Know

Locker room floor can be often wet due to high humidity
No water fountain available in the facility
Limited music selection (prefers more contemporary instrumental beats)
Some guests find the music played too old school and not conducive to a relaxation atmosphere
Suggestions for future upgrades, such as adding more modern amenities or improved lighting

Insights generated by AI from verified guest reviews

Before you book

What kind of sauna is SISU Sauna and Cold Plunge?

SISU Sauna and Cold Plunge is listed as Finnish · Steam in Meridian, Idaho.

How much does SISU Sauna and Cold Plunge cost?

The venue's website lists $35 for a visit. A monthly membership is listed at $80. Checked on Sep 29, 2026. Prices can change by day and season, so confirm when you book.

What are the hours at SISU Sauna and Cold Plunge?

The listed hours are 6 am-10 pm. That is the range we have, not a day-by-day schedule.

When is SISU Sauna and Cold Plunge less crowded?

From hourly popularity, the quieter window is Friday around 9 pm. The busier window is Friday around 7 am.

Does SISU Sauna and Cold Plunge have a cold plunge?

The listing mentions a cold plunge, ice bath, or cold pool. Confirm it is open when you book or call.

Summarized from public listings and reviews by My Local Sauna, a directory of Clouds & Cactus LLC. A wrong hour or a missing plunge can be sent to contact@mylocalsauna.com.