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Saunas and spas in Boulder

Made for those who prioritize deep-tissue recovery and thermal therapy as the non-negotiable foundation of their wellness routine.

Based on 481 Opinions
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Updated May 2026
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Outdoor sauna sits beside a river with stunning views and nature immersion. Atmosphere feels peaceful and primal, blending heat with cold plunges in a creek. Visitors enjoy a thoughtfully curated space with a welcoming community vibe.

Offers a high quality wood sauna with views and a cold plunge that stands out. Combines sauna and cold plunge for a strong sense of belonging and relaxation.

Wood saunas with views create a clean, welcoming space designed for recovery and relaxation. Cold plunge sessions accommodate small groups, encouraging real conversation without cell phones.

People are saying

"The sauna and creek cold plunge here is next-level."

"The saunas here have an amazing view."

"The spa's hot saunas and cold creek plunges are next-level."

Good to know

1

Reservations are required to participate in activities at Ember & Ice.

2

The creek cold plunge has easy access with stone steps.

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Ember & Ice is located near Boulder Creek for easy cold plunges.

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Infrared Salt Therapy image 1

Spacious rooms offer private sauna, cold plunge, and red light therapy in a clean, well-curated environment. Atmosphere stays quiet, calming, and serene, ideal for relaxation and health. Attention to detail creates a luxurious and peaceful experience.

Infrared sauna sessions combine salt therapy and red light therapy in a private room with a cold plunge tub. The heat is progressive and comfortable, allowing longer stays and a rejuvenating experience.

Infrared Salt Therapy offers a private room with a cold plunge, sauna, and red-light therapy. The infrared sauna provides a gentle, progressive heat that supports longer, comfortable sessions.

People are saying

"This place is a truly relaxing spot; I always feel so refreshed."

"Todd was so friendly and informative during my Sauna session."

"The Spa's Todd is so friendly and informative."

Good to know

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The facility is very clean and private, ensuring a comfortable experience.

2

Appointments are easy to schedule through a user-friendly interface.

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One hour is the ideal duration to enjoy the experience without feeling drained.

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Isolate Float Center image 1

Float center offers clean, relaxing spaces with infrared bed, red light sauna, and cold plunge amenities. Atmosphere is unpretentious and humble, supporting a refreshing physical and mental experience. Facilities maintain high standards of cleanliness and provide a true spa setup.

A single red light sauna pairs with a cold plunge for a refreshing contrast. Both sauna and float rooms stay super clean and offer a relaxing vibe.

Massages target specific muscles with skilled therapists like Robin, Alison, and Danielle. Facilities include a cold plunge, red light sauna, and float options that leave you feeling physically refreshed.

People are saying

"Robin's massage reduced my pain from 7/10 to 2/10."

"Robin at the Spa is amazing for pain relief."

"I always left the sauna feeling amazing and rejuvenated."

Good to know

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Booking is challenging due to limited availability of the sauna and cold plunge room.

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The facility is very clean and well-maintained, resembling a true spa.

3

Everything needed for the float experience is provided, including toiletries.

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The Dragontree Sanctuary image 1

Sanctuary space offers cold plunges, steam room, dry sauna, and salt room alongside a hot tub and forest rain shower. Atmosphere stays calm, peaceful, and serene with intentional design details like constellation-shaped lights. Visitors find it clean, beautiful, and well laid out for relaxation and healing.

A dry sauna and steam room with eucalyptus offer strong heat therapy options. Multiple cold plunge tubs and a Himalayan salt room provide refreshing contrasts and salt therapy.

Massage therapists deliver skilled and healing treatments like abhyanga and deep tissue massages. Facilities include a steam sauna with eucalyptus, hot tub, salt room, and multiple cold plunge tubs for a calming wellness experience.

People are saying

"I got the best massage I've ever had at the spa."

"I loved the steam room, hot tub, and cold plunge."

"I loved moving between the sauna, salt room, and cold plunge."

Good to know

1

Parking is easy and available on the sanctuary's property.

2

The Sanctuary Session requires rinsing off in their luxury forest rain shower before using the amenities.

3

The sanctuary costs $20 with a one-hour massage.

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Symmetry 360 Massage Boulder image 1

Small, quiet space offers a clean, relaxing atmosphere with a warm, inviting studio feel. Infrared sauna and cold plunge add unique wellness options. Skilled therapists provide therapeutic, well-targeted massages with helpful advice for ongoing care.

Infrared sauna relaxes muscles and preps for massage. Facility offers both infrared sauna and cold plunge options for recovery.

Massages focus on personalized care with therapists tailoring sessions to shoulders, neck, scalp, and face. Infrared sauna and cold plunge add to the relaxation experience, while Epsom salts and stretching tips extend benefits after sessions.

People are saying

"I received the best massage I've ever had from Chris."

"The Spa therapists are so skilled and mindful of your body's needs."

"The infrared sauna here is awesome and sanitized."

Good to know

1

Parking is easy to access along the streets or in the nearby garage, which is free on weekends.

2

Appointments are easy to get, with flexible scheduling options available.

3

Membership options provide great benefits for regular visitors.

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Boulder, Colorado

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