Banya - Sauna & Cold Plunge

Banya — Sauna & Cold Plunge at 350 Route 1 Bypass South in Portsmouth, New Hampshire is the Seacoast’s most sophisticated and beautifully realized Nordic wellness destination — a co-ed, community-centered contrast therapy facility designed from the ground up to make the transformative experience of heat, cold, and human connection accessible in New Hampshire’s most vibrant coastal city.

The facility’s thermal circuit is exceptional in both scale and quality: large room-sized communal saunas with beautiful wooden construction, two steam rooms, three cold plunges with state-of-the-art temperature control, a cedar barrel hot tub for soaking, an ice bucket pull-down station, and comfortable lounge areas for rest between rounds. A mocktail bar serving zero-proof cocktails and complimentary snow cones (in flavors like black-raspberry, pistachio, and cantaloupe) add a distinctly fun, social dimension to what is also a deeply therapeutic experience. The overall atmosphere is described by guests as calming, clean, and genuinely non-judgmental — a community space where people of all backgrounds and fitness levels feel equally welcomed.

Each session block is two hours, accommodating 20 guests per block. Sessions are booked in advance through the Momence app. Banya is also available for private group rentals — perfect for team retreats, bachelorette celebrations, birthday parties, and corporate wellness events. At the time of opening, Banya was only the second dedicated sauna and contrast therapy facility in New Hampshire (alongside White Mountain Sauna Haus in North Conway), making it a genuinely pioneering wellness destination in the Seacoast region.