Boston aesthetics clinic with medical spa treatments and sauna.

Encore Boston Harbor luxury spa with hammam, steam, and sauna.

Dedham spa facility specializing in traditional sauna experiences.

Chelsea traditional Russian steam bath with saunas and cold plunge.

Amherst day spa with hot tubs, sauna, and massage.

Chicopee day spa offering facials, waxing, body treatments, and sauna.

Somerville contrast studio offering private sauna + cold plunge suites at Assembly Row.

South Boston studio with private infrared saunas and ice baths; clean, modern vibe.

Luxury spa and salon in Boston, MA with sauna and steam.

Day spa in Boston, MA with sauna and holistic services.