Third Space & Co
2480 49th St, Unit E, Boulder, CO 80301
- Price
- $30 per visit
- Plunge
- 38–70°F
- Sauna
- 165–230°F
- Access
- Private + communal
- Booking
- Booking recommended
Details last checked
Third Space & Co is a social bathhouse in Boulder built around four sauna rooms (ranging from private heat to social Finnish-style sessions) and three cold plunge tiers, plus a lounge and NA bar. A single drop-in visit is $30, a first-time 7-day intro pack is $7, and unlimited membership starts at $125 billed every four weeks; guests must be 18 or older.
Details
The date beside each detail is when we read it on the studio's own site — tap it to see the page.
- Access
- Private + communalSource for access, captured Aug 16, 2026
- Offers both private suites and shared areas.
- Plunge temperatureSource for plunge temperature, captured Aug 16, 2026
38–70°F — Most commercial plunges run 39–55°F. - Sauna temperatureSource for sauna temperature, captured Aug 16, 2026
165–230°F — Infrared cabins run ~120–150°F; traditional saunas 160–200°F.
Before you go
- Booking
- Booking recommendedSource for booking policy, captured Aug 16, 2026
- What to wear
- Bring a swimsuit; complimentary towel includedSource for swimwear policy, captured Aug 16, 2026
- Minimum age
- 18+Source for minimum age, captured Aug 16, 2026
Pricing
- Per visit
- $30Source for per visit, captured Aug 16, 2026
- First visit offer
- $7Source for first visit offer, captured Aug 16, 2026
- Membership
- $125/moSource for membership, captured Aug 16, 2026
How it compares in Denver
Its $30 per-visit price sits below the Denver median of $40, across the 13 studios here that publish one. It is one of only 7 of the 29 studios we track in Denver that publish a cold plunge temperature — published setpoints across the city run 37–70°F. Private + communal access puts it with 2 of the 23 studios here that state a model; 6 do not say.
The state of cold plunge in Denver →What they offer
- Cold Plunge
- Traditional Saunain Denver →
Location
2480 49th St, Unit E, Boulder, CO 80301
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- PORTAL° Denver21.5 mi · Communal · $99/mo
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Questions about Third Space & Co
- Does Third Space & Co have a cold plunge?
- Yes. Third Space & Co lists a cold plunge among the facilities on its own published pages, checked Aug 16, 2026. It publishes a water temperature of 38–70°F.
- How cold is the plunge at Third Space & Co?
- Third Space & Co publishes a cold plunge temperature of 38–70°F, read from its own pages on Aug 16, 2026. Studios adjust setpoints, so treat this as what they advertise rather than what the water reads on the day.
- How hot is the sauna at Third Space & Co?
- Third Space & Co publishes a sauna temperature of 165–230°F, read from its own pages on Aug 16, 2026.
- How much does Third Space & Co cost?
- Third Space & Co publishes a single-visit price of $30, read from its own pages on Aug 16, 2026. Prices change without notice — the studio's own booking page is the live figure.
- Is Third Space & Co private or shared?
- Private + communal. Offers both private suites and shared areas. Checked Aug 16, 2026.
- Do you need to book ahead at Third Space & Co?
- Third Space & Co recommends booking in advance, though it does not state that walk-ins are refused. Checked Aug 16, 2026.
For the studio
Own Third Space & Co? Corrections and updates are free — update this listing. Visitors we send you arrive tagged utm_source=findsaunaplunge, so you can count them in your own analytics.
Cite this listing
Quote any of this freely — we ask only for a link, and that you keep the date with the figures.
FindSaunaPlunge, “Third Space & Co, Boulder, CO”, checked Aug 16, 2026. https://findsaunaplunge.com/venue/third-space-co-boulder-co/