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SaunaLife Soak Series S4N Wood-Fired Hot Tub

Original price $5,690.00 - Original price $5,690.00
Original price
$5,690.00 - $5,690.00
Current price $5,690.00

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SaunaLife Model S4N Wood-Fired Hot Tub

Soak-Series Home Wood-Burning Hot Tub, Natural, Up to 6 Persons

The SaunaLife SOAK-Series Model S4 represents the very best in wood-burning hot tub quality, efficiency, and luxury.

Ready for your hot tub party

The Model S4N wood-fired hot tub arrives completely assembled and is easy to set up. Its ergonomically shaped fiberglass tub is a comfortable place for up to 6 people. The interior surface is easy to clean, and the exterior is crafted from thermally enhanced spruce for superior weather resistance and durability.

Engineered for efficiency and performance

Engineered and crafted in the Northers Europe, this super-efficient hot tub heats in 1/3 of the time as traditional wood-fired hot tubs. No electrical connection is required. At the heart of the Model S4 is its ingenious self-cleaning corrugated stove with a secondary chamber that transfers heat from the smoke – reducing wood consumption up to 50% compared with other hot tubs. Brilliantly, the air between the fiberglass lining and the wood exterior is super-heated to accelerate the heating process. The stove is cleverly engineered to draw cooler water through a lower channel and redistribute it though an upper channel to equalize the temperature.

Start enjoying sooner

This incredibly efficient wood stove will heat 304 gallons of water from 40°F (5°C) to 95°F (35°C) in 1.5 to 2 hours – the fastest-heating wood-burning hot tub available.

Relax with friends and family the luxury of your Model S4 backyard wood-burning hot tub from SaunaLife.

SaunaLife Model S4N Wood-Fired Hot Tub


Model S4N Outdoor Wood-Burning Hot Tub

  • Thermo-Spruce materials: Lasts up to 2X longer than Cedar.
  • Luxury outdoor wood-burning hot tub: Designed for outdoor ergonomic hot tub bathing experiences.
  • Arrives fully assembled and eco-friendly: No electricity required.
  • Spacious interior: Holds over 304 gallons of pure water bathing pleasure.
  • Enhanced bather comfort: Thick dark grey contoured fiberglass lining.
  • Efficient wood-burning heater: Utilizes dual heat compartments for rapid response heat-up time (prepares water to ideal temperatures in under 2 hours).
  • 304 stainless steel construction: Wood-burning heater and polished chimney.
  • Durable Thermo-Spruce tub surround: 1.65” thick with superior thermal resistance (R-value) to retain heat.
  • Matching Thermo-Spruce wood steps: Easy access to the hot tub.
  • Steel-reinforced foam cover: Extra thick, folds for ease of removal and storage.
  • Dark grey marine grade vinyl cover exterior: Protects the tub.
  • Integrated hot tub drainage tap: Convenient for maintenance.
  • Capacity for up to 6 bathers: Enjoy with friends and family.
  • Exterior dimensions: 79" diameter and 37” high.
  • Interior dimensions: 71" diameter and 33” deep.
  • Designed by SaunaLife: Handcrafted in Northern Europe.

Thermo-Spruce Barrel Shower Advantages

  • Lasts up to 2X longer than Cedar
  • Superior thermal resistance (R-value)
  • Eco-friendly
  • Ideal shower use (stable)

What's Included

Model S4N Outdoor Wood-Burning Hot Tub

  • Fully assembled hot tub
  • Steps
  • Insulated cover
  • Drainage with tap
  • Polished stainless steel chimney
  • Chimney cap


Model S4N

  • Material: Thermo-Spruce
  • Interior Dimensions: 71" Diameter x 33"D
  • Exterior Dimensions: 79" Diameter x 37"H
  • Water Capacity: 304 Gallons
  • Product Weight when filled: 3064 lbs
  • Stove Dimensions: 19.8"L x 11.8"W x 13.1"H
  • Chimney Dimensions: 95"H x .7" Diameter
  • Maximum Wood Length: 16"
  • Maximum Temperature: 106°F
  • Shipping Dimensions: 91"L x 46"W x 87"H
  • Shipping Weight: 595 lbs