Saunas with a cold plunge in San Francisco

Russian bathhouse in San Francisco with Russian saunas, a hammam steam room, a Finnish sauna, a cold plunge, pools and a rooftop.

Private infrared sauna, red light therapy and cold plunge studio in Livermore, California, with monthly memberships.

Appointment-only mobile sauna with a cold plunge and outdoor lounge at Lakeville Landing Marina in Petaluma, California.

Guided contrast therapy sessions with sauna and cold plunge in San Francisco, led in small groups over about 75 minutes.

Floating sauna and plunge platform on Richardson Bay in Sausalito with two Finnish-style saunas, shared and private sessions.

Japantown bathhouse and spa in San Francisco with a hot pool, cold plunge, cedar dry sauna and steam room, open since 1968.

Japanese-inspired communal bathhouse in San Francisco with a soaking tub, redwood sauna, steam room and cold plunge, plus dinner service.

Private sauna and cold plunge suites, plus float, cryotherapy, infrared sauna and red light therapy, on College Avenue in Rockridge, Oakland.

Marina SF studio on Lombard Street with private 45-minute sauna and cold plunge suites, plus T-Shock and compression services.

Waterfront barrel sauna and cold plunge at Crane Cove Park in San Francisco, with hourly public and private sessions alongside kayak and paddle board rentals.

Small bayside sauna spot at Point San Pablo in Richmond with private sauna rentals, a communal sauna and a beach for cold plunging.

Private-suite wellness studio in Redwood City with infrared sauna and cold plunge, float, salt room and compression.

Wellness studio on Ashby Ave in Berkeley with infrared sauna, guided cold plunging, contrast therapy, red light therapy and massage.

Palo Alto bathhouse spa with private hot tub rooms, some with sauna or steam and a cold plunge, plus massage and facials.

Float, cryotherapy and private sauna with cold plunge suites on Valencia Street in San Francisco's Mission District.

Boutique sauna and cold plunge studio in Lafayette, CA, offering private rooms with a 180°F sauna and two plunge temperatures.

Korean-style health spa in San Leandro with a Jimjilbang, dry sauna, steam rooms, hot and cold tubs, plus massage and body scrubs.

Korean-style communal bathhouse on Geary Blvd in San Francisco with separate men's and women's areas, saunas, steam, jacuzzi and cold plunge.

Recovery studio on Market Street in San Francisco with private infrared sauna and cold plunge suites, float, LED light and IV services.

Wellness studio in San Francisco's Marina District with cold plunge, infrared and traditional sauna, red light therapy and compression recovery.

Longevity spa in Fairfax, CA offering infrared sauna with cold plunge, red light therapy, PEMF, and hyperbaric oxygen sessions.