Finnish saunas in Honolulu, United States
Plunge & Barrel
Honolulu's dedicated contrast-therapy studio in Kaka'ako, pairing a barrel sauna running "at temperatures up to 220°F" with cold plunges "as cold as 40°F". Red light therapy, infrared heat and NormaTec compression round out the menu. Newcomers start with a $39 guided contrast class on Sunday afternoons; regulars buy an unlimited contrast membership at $199 a month, or week and month passes at $149 and $249.
Plunge Kailua
A recovery room in a Kailua warehouse unit, formerly trading as MTNTOP Recovery, run alongside the Jump Ship gym next door. Members and drop-ins cycle between a sauna and cold plunge tubs, with compression boots and showers on site. Opening is split into early-morning and late-afternoon blocks, from 5:30am on weekdays and 7am to 9am on Saturday.
Positive Energy Recovery
A large pay-as-you-go recovery floor on Maluniu Avenue in Kailua, open every day from 5am to 10pm. It advertises traditional and infrared saunas alongside six filtered cold plunges, plus a red light bed, a compression lounge, lymphatic drainage, massage therapy and IV drips. Drop-ins are welcome with no commitment, and membership is optional.
Studio 7 Hawaii
A wellness studio on Monsarrat Avenue below Diamond Head whose core offering is a private 45-minute contrast session combining "a traditional 196°F sauna with a refreshing 36–46°F cold plunge". The studio also runs 10-minute LED light therapy and 30-minute compression sessions, plus acupuncture and IV therapy, and books everything as a private slot rather than a shared floor.
Wellness Cove Hawaii
A small contrast-therapy room on Punahou Street opened by former MMA fighter Egan Inoue, built around a traditional hot sauna and a cold plunge. Sessions are booked privately so guests move between hot and cold at their own pace: a 15-minute Quick Reset costs $25 and a 30-minute Ultimate Experience $50, with extra guests $10 each. PEMF therapy is offered alongside.
Herbal Spa, Sauna & Salon
A Korean jjimjilbang in Kaka'ako, gender-segregated by floor and open to both men and women. The signature room is "almost entirely made of Himalayan Salt", alongside a dry sauna and a steam room. The saltwater hot tub and cold tub drive the "hot-cold-relax recommended spa cycle", and Korean body scrubs are the house speciality. Bathing suits are not worn in the bathing areas. Open daily 8am to 9pm, last appointment 8pm.
Makaloa Sauna
A Korean woman-owned, mother-and-daughter jjimjilbang on the fourth floor of a Makaloa Street building, serving female and AFAB guests only. General entry is $40 for up to five hours and covers the bath house, soaking tubs, rest area and three heat rooms: a steam sauna, a dry sauna lined with salt rocks and charcoal, and a jade room. The house speciality is the ddae (때) exfoliating scrub. Last entry 6pm.
Moana Lani Spa
Waikiki's only oceanfront spa, set in the historic Moana Surfrider on Kalakaua Avenue across 18,000 square feet. Private men's and women's relaxation lounges with zero-gravity chairs look over Waikiki Beach, and guests can use a dry sauna or a whirlpool with Pacific views. The spa counts 11 massage rooms, two facial rooms, a Vichy shower hydrotherapy room and one steam room. Open daily 9am to 6pm.
Nu'uanu YMCA
Founded in 1918 on Pali Highway, the Nu'uanu Y serves the heart of the city and lists a sauna among its amenities, alongside a heated saltwater pool, locker rooms and a fitness centre. A multi-purpose indoor court is used for basketball, pickleball and racquetball, and the branch also teaches Hawaiian language, hula and ukulele. Membership carries no annual contract. Open weekdays 5am to 9pm.
Plunge & Barrel
Honolulu's dedicated contrast-therapy studio in Kaka'ako, pairing a barrel sauna running "at temperatures up to 220°F" with cold plunges "as cold as 40°F". Red light therapy, infrared heat and NormaTec compression round out the menu. Newcomers start with a $39 guided contrast class on Sunday afternoons; regulars buy an unlimited contrast membership at $199 a month, or week and month passes at $149 and $249.
Plunge Kailua
A recovery room in a Kailua warehouse unit, formerly trading as MTNTOP Recovery, run alongside the Jump Ship gym next door. Members and drop-ins cycle between a sauna and cold plunge tubs, with compression boots and showers on site. Opening is split into early-morning and late-afternoon blocks, from 5:30am on weekdays and 7am to 9am on Saturday.
Positive Energy Recovery
A large pay-as-you-go recovery floor on Maluniu Avenue in Kailua, open every day from 5am to 10pm. It advertises traditional and infrared saunas alongside six filtered cold plunges, plus a red light bed, a compression lounge, lymphatic drainage, massage therapy and IV drips. Drop-ins are welcome with no commitment, and membership is optional.
Studio 7 Hawaii
A wellness studio on Monsarrat Avenue below Diamond Head whose core offering is a private 45-minute contrast session combining "a traditional 196°F sauna with a refreshing 36–46°F cold plunge". The studio also runs 10-minute LED light therapy and 30-minute compression sessions, plus acupuncture and IV therapy, and books everything as a private slot rather than a shared floor.
Wellness Cove Hawaii
A small contrast-therapy room on Punahou Street opened by former MMA fighter Egan Inoue, built around a traditional hot sauna and a cold plunge. Sessions are booked privately so guests move between hot and cold at their own pace: a 15-minute Quick Reset costs $25 and a 30-minute Ultimate Experience $50, with extra guests $10 each. PEMF therapy is offered alongside.
Herbal Spa, Sauna & Salon
A Korean jjimjilbang in Kaka'ako, gender-segregated by floor and open to both men and women. The signature room is "almost entirely made of Himalayan Salt", alongside a dry sauna and a steam room. The saltwater hot tub and cold tub drive the "hot-cold-relax recommended spa cycle", and Korean body scrubs are the house speciality. Bathing suits are not worn in the bathing areas. Open daily 8am to 9pm, last appointment 8pm.
Makaloa Sauna
A Korean woman-owned, mother-and-daughter jjimjilbang on the fourth floor of a Makaloa Street building, serving female and AFAB guests only. General entry is $40 for up to five hours and covers the bath house, soaking tubs, rest area and three heat rooms: a steam sauna, a dry sauna lined with salt rocks and charcoal, and a jade room. The house speciality is the ddae (때) exfoliating scrub. Last entry 6pm.
Moana Lani Spa
Waikiki's only oceanfront spa, set in the historic Moana Surfrider on Kalakaua Avenue across 18,000 square feet. Private men's and women's relaxation lounges with zero-gravity chairs look over Waikiki Beach, and guests can use a dry sauna or a whirlpool with Pacific views. The spa counts 11 massage rooms, two facial rooms, a Vichy shower hydrotherapy room and one steam room. Open daily 9am to 6pm.
Nu'uanu YMCA
Founded in 1918 on Pali Highway, the Nu'uanu Y serves the heart of the city and lists a sauna among its amenities, alongside a heated saltwater pool, locker rooms and a fitness centre. A multi-purpose indoor court is used for basketball, pickleball and racquetball, and the branch also teaches Hawaiian language, hula and ukulele. Membership carries no annual contract. Open weekdays 5am to 9pm.