The SaunaLife Model S1N is a premium hot and cold immersion tub designed for contrast therapy, muscle recovery, and at-home wellness rituals. Engineered for both cold plunges and heated soaks, the S1N provides a versatile backyard immersion solution in a compact, space-efficient format.

With a 124-gallon capacity and ergonomically contoured fiberglass interior, the S1N offers comfortable full-body immersion for one bather. The smooth, durable inner shell is designed for repeated hot and cold cycles while maintaining easy maintenance and long-term reliability.

The exterior is crafted from thermally modified Thermo-Pine, a wood engineered for enhanced dimensional stability and weather resistance. Compared to conventional cedar, Thermo-Pine offers improved durability and thermal performance, making it well-suited for year-round outdoor use. The natural wood finish blends seamlessly into modern backyard wellness spaces, with an optional black exterior available for a more contemporary aesthetic.

Delivered fully assembled for streamlined installation, the S1N includes matching Thermo-Pine steps for safe and stable entry and exit.

Ideal for athletes, wellness enthusiasts, and homeowners incorporating sauna and cold therapy routines, the SaunaLife S1N provides a professional-grade immersion experience designed for long-term outdoor performance.