Modern bathhouse · Brooklyn, NY

Bathhouse — Williamsburg

Thermal pools, saunas, and Aufguss rituals in a restored Williamsburg factory

Opened in 2019 inside the historic Williamsburg Soda Factory, Bathhouse is a modern thermal spa set beneath the building's original vaulted brick ceilings and industrial stonework. Its heart is a thermal circuit of eight pools — three hot pools at 104°F, two cold plunges at 45°F and 50°F, two neutral soaking pools, and an open-air rooftop pool with skyline views — ringed by a basalt-heated banya, dry and tropical saunas, and the star-lit Starlight steam room. A Day Pass buys unlimited time to rotate between heat and cold at your own pace, plus complimentary Aufguss rituals led by a Sauna Master. Add a massage or a Moroccan-style hammam scrub, then unwind at the rooftop pool bar. Adults only.

What Bathhouse — Williamsburg offers

• Thermal pools
• Sauna
• Steam room
• Cold plunge
• Massage
• Body scrub

Services

• Day Pass — Unlimited-time access to the full thermal circuit — eight pools (three 104°F hot pools, two cold plunges at 45°F & 50°F, two neutral pools, and the open-air rooftop pool), the basalt-heated banya, dry and tropical saunas, the Starlight steam room, and heated marble hammams. No time limit, no re-entry; towels, slippers, and lockers included. Price varies by day and time.
• Full-Body Massage — A full-body massage with amenity access included. Also offered as an 80-min Pro Massage, plus Prenatal and Couples options.
• Hammam Body Scrub — A modern take on the traditional Moroccan hammam — an exfoliating scrub on heated marble, with amenity access. Available for individuals and couples.
• Aufguss Sauna Ritual — Included with any Day Pass: a trained Sauna Master fills the event sauna with essential oils, music, and rhythmic towel work, sending waves of heat through the room. First-timers often call it the highlight.

Also listed under: Day spa