The Altar NYC

122 Fifth Avenue, New York, NY

The Altar NYC is a minimalist sauna and cold plunge studio on Fifth Avenue in Manhattan, built around private contrast therapy sessions in a dedicated suite format. Each booking includes access to a full-spectrum sauna and a cold plunge for 60-minute self-paced cycles, with the format intentionally pared down — no communal pool deck, no spa menu, no upsells. Pricing lands at $65 per session, with multi-session packs available. The aesthetic is restrained: stripped-back design, neutral palette, single-purpose architecture that lets the heat and cold do the work. Sessions are by appointment only and members can book recurring slots. Best fit for someone who wants regular contrast therapy in a Manhattan-convenient location without committing to a membership-club format like Lore or a multi-modality bathhouse experience. The Altar is a single-modality alternative to the richer (and pricier) Schwet, Lore, and Bathhouse formats.