SaunaLife Model S4B 6-Persons Soak-Series Home Wood-Burning Hot Tub
SaunaLife Model S4B 6-Persons Soak-Series Home Wood-Burning Hot Tub
SaunaLife Model S4B 6-Persons Soak-Series Home Wood-Burning Hot Tub
SaunaLife Model S4B 6-Persons Soak-Series Home Wood-Burning Hot Tub

SaunaLife Model S4B 6-Persons Soak-Series Home Wood-Burning Hot Tub

Model Model S4B
Material Thermo-Spruce
Interior Dimensions 71" Diameter x 33"D
Exterior Dimensons 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 4.7" Diameter
Maximum Wood Length 16"
Maximum Temperature 106F
Shipping Dimensions 91"L x 46"W x 87"H
Shipping Weight 595 lbs
  • 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 no electricity required (eco-friendly) 
  • Spacious interior holds over 304 gallons of pure water bathing pleasure 
  • Thick dark grey contoured fiberglass lining provides enhanced bather comfort 
  • Stainless steel wood-burning heater utilizes dual heat compartments for unmatched efficiency   
  • Rapid response heat-up time prepares water to ideal temperatures in under 2-hours 
  • Wood-burning heater constructed of 304 stainless steel 
  • Polished stainless steel chimney with protection 
  • Durable Thermo-Spruce tub surround (1.65” thick), painted black  
  • Superior thermal resistance (R-value) to retain heat  
  • Matching Thermo-Spruce wood steps for easy access 
  • Extra thick steel reinforced foam cover, folds for ease of removal and storage 
  • Dark grey marine grade vinyl cover exterior 
  • Integrated hot tub drainage tap 
  • Up to 6 bathers 
  • Exterior dimensions – 79" diameter and 37” high  
  • Interior dimensions – 71" diameter and 33” deep 
  • Designed by SaunaLife and handcrafted in Northern Europe 

Thermo-Spruce Material Advantages 

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

The SaunaLife SOAK-Series Model S4B Outdoor Wood-Burning Hot Tub combines luxury, efficiency, and exceptional craftsmanship to deliver the ultimate backyard soaking experience. Designed and built in Northern Europe, the Model S4B features a comfortable, ergonomically shaped fiberglass tub that seats up to six people and arrives fully assembled for quick and easy setup. Its durable, weather-resistant exterior is made from thermally enhanced spruce, while the easy-to-clean interior ensures hassle-free maintenance. At its core is an innovative, self-cleaning corrugated stove with a secondary heat chamber that recycles heat from smoke, reducing wood consumption by up to 50% and heating water in just 1.5 to 2 hours—1/3 the time of traditional models. No electricity is required, and the stove’s smart design circulates water efficiently to maintain an even temperature. Whether you're hosting a gathering or enjoying quiet time, the S4B delivers the fastest-heating and most efficient wood-burning hot tub experience available.

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

Yes, we really do offer FREE shipping! We will send your order at no additional cost to anywhere in the lower 48 states in the US. If you have questions about shipping to Alaska or Hawaii, please contact us through our live chat to discuss options on a custom freight quote.

Premium Design

Premium Design

Elegant, modern sauna styles crafted to elevate any space with timeless appeal.

Hassle-free Assembly

Hassle-free Assembly

Easy-to-follow instructions and tools included—no stress, just set up and unwind.

Superior Quality

Superior Quality

Built with durable materials and precision craftsmanship for lasting performance.

Serene Relaxation

Serene Relaxation

Immerse yourself in soothing heat and total tranquility—your escape, redefined.

.

SaunaLife Model S4B 6-Persons Soak-Series Home Wood-Burning Hot Tub

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Full Warranty Included
Sale price$5,990.00
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SaunaLife Model S4B 6-Persons Soak-Series Home Wood-Burning Hot Tub

Model Model S4B
Material Thermo-Spruce
Interior Dimensions 71" Diameter x 33"D
Exterior Dimensons 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 4.7" Diameter
Maximum Wood Length 16"
Maximum Temperature 106F
Shipping Dimensions 91"L x 46"W x 87"H
Shipping Weight 595 lbs
  • 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 no electricity required (eco-friendly) 
  • Spacious interior holds over 304 gallons of pure water bathing pleasure 
  • Thick dark grey contoured fiberglass lining provides enhanced bather comfort 
  • Stainless steel wood-burning heater utilizes dual heat compartments for unmatched efficiency   
  • Rapid response heat-up time prepares water to ideal temperatures in under 2-hours 
  • Wood-burning heater constructed of 304 stainless steel 
  • Polished stainless steel chimney with protection 
  • Durable Thermo-Spruce tub surround (1.65” thick), painted black  
  • Superior thermal resistance (R-value) to retain heat  
  • Matching Thermo-Spruce wood steps for easy access 
  • Extra thick steel reinforced foam cover, folds for ease of removal and storage 
  • Dark grey marine grade vinyl cover exterior 
  • Integrated hot tub drainage tap 
  • Up to 6 bathers 
  • Exterior dimensions – 79" diameter and 37” high  
  • Interior dimensions – 71" diameter and 33” deep 
  • Designed by SaunaLife and handcrafted in Northern Europe 

Thermo-Spruce Material Advantages 

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

The SaunaLife SOAK-Series Model S4B Outdoor Wood-Burning Hot Tub combines luxury, efficiency, and exceptional craftsmanship to deliver the ultimate backyard soaking experience. Designed and built in Northern Europe, the Model S4B features a comfortable, ergonomically shaped fiberglass tub that seats up to six people and arrives fully assembled for quick and easy setup. Its durable, weather-resistant exterior is made from thermally enhanced spruce, while the easy-to-clean interior ensures hassle-free maintenance. At its core is an innovative, self-cleaning corrugated stove with a secondary heat chamber that recycles heat from smoke, reducing wood consumption by up to 50% and heating water in just 1.5 to 2 hours—1/3 the time of traditional models. No electricity is required, and the stove’s smart design circulates water efficiently to maintain an even temperature. Whether you're hosting a gathering or enjoying quiet time, the S4B delivers the fastest-heating and most efficient wood-burning hot tub experience available.

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

Yes, we really do offer FREE shipping! We will send your order at no additional cost to anywhere in the lower 48 states in the US. If you have questions about shipping to Alaska or Hawaii, please contact us through our live chat to discuss options on a custom freight quote.

Premium Design

Premium Design

Elegant, modern sauna styles crafted to elevate any space with timeless appeal.

Hassle-free Assembly

Hassle-free Assembly

Easy-to-follow instructions and tools included—no stress, just set up and unwind.

Superior Quality

Superior Quality

Built with durable materials and precision craftsmanship for lasting performance.

Serene Relaxation

Serene Relaxation

Immerse yourself in soothing heat and total tranquility—your escape, redefined.

.

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FAQ

GENERAL INQUIRIES

We are located in Indianapolis, Indiana.

Yes, we have some great financing options from our partner, Bread. Just choose the monthly payment option at checkout to get started.

SHIPPING

Shipping in the Continental U.S. is free!

Since we carry different brands our products also ship from different locations.  See the list below:

  • Almost Heaven Saunas -  West Virginia
  • Dundalk Leisure Craft - Canada
  • Harvia - Portland
  • Baltic Leisure - Pennsylvania
  • Saunacore - Canada
  • TheraSauna- Iowa

The list below is the current delivery timeline by brand:

  • Almost Heaven Barrel Saunas - 6 to 8 Weeks
  • Almost Heaven Indoor Saunas - 4 to 6 Weeks
  • Amba Products - 1 to 2 weeks
  • Baltic Leisure - 3 to 4 weeks
  • Dundalk Leisure Craft -  Approximately 1 to 2 weeks after the estimated build date
  • Golden Designs Sauna - Within 1 week
  • Saunacore - 2 to 3 weeks
  • TheraSauna - 10 to 12 weeks

We currently do not ship to Alaska but if you are really interested we can request for a custom freight quote.

SAUNA ASSEMBLY

It is an easy assembly. Here is the link to our video gallery for a quick look.

The sauna comes in a crate. You'll need to assemble it but it is a very quick assembly.