



SaunaLife Model S4B – Wood-Burning Hot Tub (Up to 6 Persons)
MSRP: $5,990.00
SKU: SL-MODELS4B
Product Overview
Bring Scandinavian luxury to your backyard with the SaunaLife SOAK-Series Model S4B, a premium wood-burning hot tub designed for up to six people. Built with thermo-spruce cladding (lasting up to 2X longer than cedar) and a contoured fiberglass interior, this eco-friendly hot tub delivers both comfort and durability.
Key Features
- No electricity required – eco-friendly and off-grid ready
- Fast heating system – from 40°F to 95°F in just 1.5 hours
- Efficient stainless steel dual-chamber wood stove – reduces wood use by up to 50%
- 304 gallons water capacity – spacious enough for family or friends
- Ergonomic fiberglass interior – easy to clean, designed for maximum comfort
- Durable thermo-spruce exterior with stainless steel chimney
Why Choose the Model S4B?
The S4B is engineered in Northern Europe for efficiency and performance. Unlike traditional wood-fired hot tubs, this system uses a self-cleaning corrugated stove and heat-circulating design that minimizes wood consumption while heating water faster.
You’ll spend less time waiting, more time relaxing. From chilly evenings to weekend gatherings, this tub transforms your outdoor space into a private wellness retreat.
Specifications
- Seats: Up to 6 people
- Water Capacity: 304 gallons
- Heating: 304 stainless steel dual-chamber wood stove
- Exterior Material: Thermo-spruce
- Interior: Dark grey fiberglass liner
- Chimney: Polished stainless steel with protection
Shipping & Installation
- Arrives fully assembled
- Designed for easy setup and long-lasting outdoor use
- Contact us for shipping details and lead times
Shipping + Returns
Shipping
We promise to do our best to get your order to you as soon as possible. We provide estimated shipping times on the product pages. All orders are dispatched within 1-2 business days and delivered within 5-7 business days.
Order delays have proven to be unavoidable and outside of our control. While this might be frustrating, we ask you to please be patient and understanding with us in these tough times. We thank you for your business and appreciate your patience.
Please see our Returns and Refunds Policy for more details.
Returns & Refunds
If you need to exchange your product, you may do so. You, as the customer, are responsible for any shipping costs throughout any returns and exchange processes. Due to drastically increasing LTL/freight shipping costs, any outright returns will incur a 25% cancellation fee + return shipping costs. If you are replacing the product with something else, we may be able to help you cover some of the costs depending on the product.
Choose options




Need help?
Frequently Asked Questions
Yes! We provide free and fast shipping on all orders within the continental United States.
Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Call us for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from reputable manufacturers or authorized distributors.