Swimwear required saunas in Madison, United States
Madison Saunas
Madison Saunas is a wood-fired community sauna run by Wingra Boats on the shore of Lake Wingra, opening for its first season on November 6, 2026 (season runs to about March 7, 2027). Two custom cedar saunas with lake-view windows are kept around 175°F, and guests plunge into Lake Wingra or use a cold rinse shower, then rest by the outdoor fire pit. Community sessions cost $27 for 60 minutes; private sessions take 10 to 12 people. Clothing is required.
Kosa Spa
Kosa is a 4,500 sq ft Ayurvedic spa on the mezzanine of the historic Garver Feed Mill. Its three-hour Community Sauna retreats ($55 plus gratuity, 18+) include a hot stone sauna, an aromatherapy hydrotherapy steam room, a cold rain shower, robes and the Sanctuary Lounge with Ayurvedic teas; swimsuits are required in community sessions. Private steam and sauna retreats and massages, facials and Ayurvedic treatments are also offered. Closed Mondays.
Saunaday
Saunaday is an all-gender communal bathhouse at the corner of Williamson and Blount Streets, a block from Lake Monona. A two-hour session ($55) loops through cedar salt-scrub showers, a hammam-inspired steam room, two Finnish saunas (the social Cedar Sauna and the silent Aspen Sauna) and a drop-in cold plunge pool. Sauna Masters lead Aufguss rituals, swimwear is required and phones stay in lockers. Open 7 AM to 9 PM, closed Tuesdays.
Madison Saunas
Madison Saunas is a wood-fired community sauna run by Wingra Boats on the shore of Lake Wingra, opening for its first season on November 6, 2026 (season runs to about March 7, 2027). Two custom cedar saunas with lake-view windows are kept around 175°F, and guests plunge into Lake Wingra or use a cold rinse shower, then rest by the outdoor fire pit. Community sessions cost $27 for 60 minutes; private sessions take 10 to 12 people. Clothing is required.
Kosa Spa
Kosa is a 4,500 sq ft Ayurvedic spa on the mezzanine of the historic Garver Feed Mill. Its three-hour Community Sauna retreats ($55 plus gratuity, 18+) include a hot stone sauna, an aromatherapy hydrotherapy steam room, a cold rain shower, robes and the Sanctuary Lounge with Ayurvedic teas; swimsuits are required in community sessions. Private steam and sauna retreats and massages, facials and Ayurvedic treatments are also offered. Closed Mondays.
Saunaday
Saunaday is an all-gender communal bathhouse at the corner of Williamson and Blount Streets, a block from Lake Monona. A two-hour session ($55) loops through cedar salt-scrub showers, a hammam-inspired steam room, two Finnish saunas (the social Cedar Sauna and the silent Aspen Sauna) and a drop-in cold plunge pool. Sauna Masters lead Aufguss rituals, swimwear is required and phones stay in lockers. Open 7 AM to 9 PM, closed Tuesdays.