Firefly Spa in Royal Oak runs an open contrast therapy model with no reservations needed: a commercial-grade full spectrum infrared sauna set at 150°F that seats ten, followed by stainless-steel Frozen 9 cold plunge tubs kept between 46 and 59°F. A private room, The Oasis, pairs its own infrared sauna and plunge tub and suits couples. The first open contrast visit is free; daily passes, packages and memberships are offered, with towels, lockers and a lounge serving herbal tea included.
Flawless Face & Body is a day spa on Hilton Road in Ferndale offering infrared sauna therapy alongside massage, facials and body treatments, with the sauna also bundled into its spa packages. Sessions typically last 20 to 45 minutes at temperatures of 120–140°F. Open daily from 10 AM to 7 PM.
Haven Wellness in Wyandotte combines massage therapy with a private full spectrum infrared sauna featuring chromotherapy, aromatherapy and Bluetooth audio. Sauna visits run 30 or 50 minutes plus clean-up time and are sold mainly through memberships, from $75 a month for 15 visits to $100 for unlimited use, with couples and annual plans. Cryotherapy, a salt-therapy Vitality Booth and red light therapy are also offered. Open by appointment only, Monday to Sunday, with door-code access.
Meta Physica Wellness Center in Corktown combines massage and bodywork with three private full spectrum infrared sauna rooms. One-hour sauna sessions include aromatherapy, chromotherapy and water, at $25 for the basic option or $35 with towels and robes; memberships are also sold. Open Monday and Wednesday to Thursday 10 AM to 9 PM and Friday to Sunday 10 AM to 7 PM, closed Tuesdays.
Motor City Float in Clawson is a float centre founded in 2017 that also runs full spectrum infrared saunas and a Fire & Ice contrast therapy room. In Fire & Ice the sauna is kept at 185°F and the single-person cold plunge at 45°F, with up to three guests sharing a 90-minute session for $75. Stand-alone 40-minute infrared sauna sessions cost $35. Open daily until 9 PM, from 2 PM on Monday and Tuesday and from 8 AM on Wednesday and Saturday.
Rhythm Wellness Center in Oak Park is a holistic wellness studio with a far infrared sauna, a pink Himalayan salt cave for halotherapy, red light therapy, herbal foot soaks and sound therapy. A 30-minute infrared sauna session costs $45, or $65 for two people sharing the sauna. Open Wednesday 12–5 PM, Friday 10 AM–6 PM, Saturday 10 AM–5 PM and Sunday 12–5 PM, closed Monday, Tuesday and Thursday.
SOAK Spa sits on the lower level of The Detroit Club, a private club and boutique hotel founded in 1882 on Cass Avenue. Its thermal facilities are a heated saltwater grotto and infrared saunas in each locker room, which spa guests may use for up to an hour after a treatment; hotel guests and club members have access from 6 AM to 11 PM. Treatments span massage, wraps and facials. Spa hours are Tuesday to Thursday 11 AM–7 PM, Friday and Saturday 10 AM–8 PM and Sunday 9 AM–6 PM.
Firefly Spa in Royal Oak runs an open contrast therapy model with no reservations needed: a commercial-grade full spectrum infrared sauna set at 150°F that seats ten, followed by stainless-steel Frozen 9 cold plunge tubs kept between 46 and 59°F. A private room, The Oasis, pairs its own infrared sauna and plunge tub and suits couples. The first open contrast visit is free; daily passes, packages and memberships are offered, with towels, lockers and a lounge serving herbal tea included.
Flawless Face & Body is a day spa on Hilton Road in Ferndale offering infrared sauna therapy alongside massage, facials and body treatments, with the sauna also bundled into its spa packages. Sessions typically last 20 to 45 minutes at temperatures of 120–140°F. Open daily from 10 AM to 7 PM.
Haven Wellness in Wyandotte combines massage therapy with a private full spectrum infrared sauna featuring chromotherapy, aromatherapy and Bluetooth audio. Sauna visits run 30 or 50 minutes plus clean-up time and are sold mainly through memberships, from $75 a month for 15 visits to $100 for unlimited use, with couples and annual plans. Cryotherapy, a salt-therapy Vitality Booth and red light therapy are also offered. Open by appointment only, Monday to Sunday, with door-code access.
Meta Physica Wellness Center in Corktown combines massage and bodywork with three private full spectrum infrared sauna rooms. One-hour sauna sessions include aromatherapy, chromotherapy and water, at $25 for the basic option or $35 with towels and robes; memberships are also sold. Open Monday and Wednesday to Thursday 10 AM to 9 PM and Friday to Sunday 10 AM to 7 PM, closed Tuesdays.
Motor City Float in Clawson is a float centre founded in 2017 that also runs full spectrum infrared saunas and a Fire & Ice contrast therapy room. In Fire & Ice the sauna is kept at 185°F and the single-person cold plunge at 45°F, with up to three guests sharing a 90-minute session for $75. Stand-alone 40-minute infrared sauna sessions cost $35. Open daily until 9 PM, from 2 PM on Monday and Tuesday and from 8 AM on Wednesday and Saturday.
Rhythm Wellness Center in Oak Park is a holistic wellness studio with a far infrared sauna, a pink Himalayan salt cave for halotherapy, red light therapy, herbal foot soaks and sound therapy. A 30-minute infrared sauna session costs $45, or $65 for two people sharing the sauna. Open Wednesday 12–5 PM, Friday 10 AM–6 PM, Saturday 10 AM–5 PM and Sunday 12–5 PM, closed Monday, Tuesday and Thursday.
SOAK Spa sits on the lower level of The Detroit Club, a private club and boutique hotel founded in 1882 on Cass Avenue. Its thermal facilities are a heated saltwater grotto and infrared saunas in each locker room, which spa guests may use for up to an hour after a treatment; hotel guests and club members have access from 6 AM to 11 PM. Treatments span massage, wraps and facials. Spa hours are Tuesday to Thursday 11 AM–7 PM, Friday and Saturday 10 AM–8 PM and Sunday 9 AM–6 PM.