Specs

Model	S4B
Made in	Estonia Across the Gulf of Finland, Estonia has a vibrant and growing sauna industry. They're known for innovative design, modern manufacturing, and premium sauna products at an affordable price.

Attachments

Warranty

Video Attachments

Planning Session

We'd love the opportunity to answer your questions, learn about your sauna preferences, and make sure everything is considered for a flawless delivery. Book a planning session now.

Gallery

Click Image, Then Scroll! For the best experience, click on any image then swipe or use arrow keys to browse.

Best Price Guaranteed

At Sauna Marketplace, we always offer the best service, support, and expertise. But that doesn't mean you should pay more! Place your order knowing that if you find a better deal published from another authorized dealer, we'll refund the difference. Valid until your order leaves the warehouse.

Includes

Fully assembled hot tub
Steps
Insulated cover
Drainage with tap
Polished stainless steel chimney
Chimney cap
Limited Lifetime Warranty Covering Factory Parts for Residential Use
US-Based Support

SaunaLife S4B Wood-Fired Hot Tub | SOAK Series

Name: Wood-Fired Hot Tub Experience: Unwind and Rejuvenate with SaunaLife Model S4B
SKU: SL-MODELS4
Price: 5690.00 USD
Availability: InStock

Experience the most durable, high-performing wood-fired hot tub on the market. With a thick fiberglass interior and thermally modified spruce exterior that lasts up to twice as long as cedar, the SaunaLife S4 Soak Series is equipped with Nordic wood-burning technology that heats the spacious tub quickly, safely and effiently. The fiberglass interior means it won’t leak like barrel tubs, and requires little maintenance. This comfortable tub seats six and is perfect for AirBnbs and Off-Grid getaways.

Build Your Quote:

$5,690.00

Fulfillment Partner:

Bathing Brands - Chicago

Zero Interest Payments:

Pay with HSA/FSA:

Unleash the Power of Thermo-Spruce in your Wood-Fired Hot Tub

SaunaLife’s Model S4B leverages Thermo-Spruce’s resilience, ensuring that your hot tub lasts up to 2X longer than those made of Cedar. The Thermo-Spruce surround combines superior weather resistance and durability, providing an exceptional, eco-friendly hot tub experience. Also available in natural wood that’s been thermally modified to outlast cedar.

Efficiency and Performance – Beyond the Conventional

The Model S4B, crafted with Northern European precision, represents a breakthrough in wood-fired hot tub efficiency. Uniquely designed to heat three times faster than traditional models, it does not require any electricity, making it both eco-friendly and cost-effective. At its core, the Model S4B features a self-cleaning corrugated stove with dual chambers that efficiently transfer heat and reduce wood consumption by up to 50%.

Soak in Bliss Sooner with Rapid Response Heat-up Time

A uniquely efficient wood stove heats the spacious 304-gallon water capacity in just 1.5 to 2 hours. This is the fastest heat-up time among wood-burning hot tubs on the market. With Model S4B, you can start soaking in bliss sooner, anytime you wish.

Ready to elevate your backyard into a personal retreat? Add the Model S4B wood-fired hot tub to your cart and immerse yourself in luxury and tranquillity.

The Safe Choice: AISI 304 Stainless Steel Stoves

These SOAK series hot tubs from SaunaLife feature premium AISI 304 stainless steel stoves, offering durability and peace of mind. Unlike aluminum alternatives, our stainless steel stoves resist chemical cleaning agents, withstand accidental dry heating, and maintain their elegant appearance for years. Engineered for maximum efficiency, these stoves channel 100% of heat energy directly to the water, heating your hot tub in just 1.5-2 hours—debunking the myth that aluminum heats faster.

More importantly, stainless steel eliminates the health concerns associated with aluminum exposure, which has been linked to decreased kidney function, nerve problems, muscle weakness, and bone diseases. Choose DeLux for a safer, more reliable, and longer-lasting hot tub experience that supports your health and relaxation goals.

Specs

Model	S4B
Made in	Estonia Across the Gulf of Finland, Estonia has a vibrant and growing sauna industry. They're known for innovative design, modern manufacturing, and premium sauna products at an affordable price.

Attachments

S4B Quick Start Guide

Drawings and Dimensions

S4N Quick Start Guide