SaunaLife Model S4N Soak-Series 6 Person Wood-Fired Hot Tub
Usually Ships Out: 4-8 Business Days
Once an order is processed, packed, and shipped, we will send tracking information.
Ask an expert
SaunaLife Model S4N Wood-Fired Hot Tub – Soak-Series (Up to 6 Persons)
A Fully Assembled, Eco-Friendly Outdoor Hot Tub with Rapid Heating

Bring luxury, efficiency, and relaxation to your backyard with the SaunaLife Model S4N Wood-Fired Hot Tub. Designed for off-grid soaking, this eco-friendly hot tub requires no electricity, making it ideal for cabins, retreats, or backyard escapes.
Crafted in Northern Europe, the S4N’s advanced wood-burning heating system warms 304 gallons of water in just 1.5 to 2 hours—three times faster than traditional wood-fired hot tubs. Its dual-chamber stove design reduces wood consumption by up to 50%, while an innovative heat circulation system ensures even temperature distribution.
Built with 1.65” thick Thermo-Spruce, the S4N lasts twice as long as Cedar, offering superior weather resistance and durability. Inside, the dark grey contoured fiberglass lining provides an ergonomic, easy-to-clean soaking experience.
Complete with matching wooden steps, an insulated foam cover, and a stainless steel chimney, the S4N is a low-maintenance, premium hot tub built for long-lasting enjoyment.
SaunaLife Model S4N Wood-Fired Hot Tub Features
-
1.65” Thick Thermo-Spruce Exterior
- Lasts up to 2X longer than Cedar for superior outdoor durability.
- Naturally resistant to weather, moisture, and decay.
-
304 Stainless Steel Wood-Burning Heater
- Dual heat compartments for 50% more efficiency.
- Self-cleaning corrugated stove reduces wood consumption.
- Polished Stainless Steel Chimney with Protection Cap: Prevents heat loss and enhances heating efficiency.
- Heats Water in Just 1.5 - 2 Hours: Warms 304 gallons from 40°F to 95°F in record time.
- Eco-Friendly, No Electricity Required: Off-grid hot tub solution – perfect for cabins, retreats, and backyards.
-
Innovative Heat Circulation System
- Super-heated air between the fiberglass lining and wood exterior accelerates heating.
- Cooler water is drawn through a lower channel and redistributed through an upper channel for even temperature distribution.
- Seats Up to 6 People: Perfect for social gatherings, family relaxation, or solo retreats.
-
Dark Grey Contoured Fiberglass Lining
- Ergonomically shaped for superior bather comfort.
- Easy to clean, non-porous surface for low maintenance.
- Matching Thermo-Spruce Steps for Easy Access: Provides safe and convenient entry into the hot tub.
-
Extra Thick, Steel-Reinforced Foam Insulated Cover
- Folds for easy removal and storage.
- Dark grey marine-grade vinyl exterior for durability.
- Integrated Hot Tub Drainage Tap: Allows for easy water management and cleaning.
SaunaLife Model S4N - 6 Person Wood-Fired Hot Tub Specifications
- Capacity: Up to 6 bathers
- Exterior Dimensions: 79” Diameter x 37” H
- Interior Dimensions: 71” Diameter x 33” Deep
- Weight: 595 lbs
- Water Capacity: 304 Gallons
- Material: Thermo-Spruce Exterior, Fiberglass Interior
- Heating System: 304 Stainless Steel Wood-Burning Stove
- Chimney: Polished Stainless Steel with Protective Cap
- Stove Dimensions: 19.8” L x 11.8” W x 13.1” H
- Chimney Dimensions: 95” H x 0.7” Diameter
- Maximum Wood Length: 16”
- Maximum Temperature: 106°F
- Shipping Dimensions: 91” L x 46” W x 87” H
- Shipping Weight: 595 lbs
What’s Included?
- Luxury Thermo-Spruce Hot Tub (Fully Assembled & Ready to Use)
- 304 Stainless Steel Wood-Burning Heater
- Polished Stainless Steel Chimney with Cap
- Ergonomic Dark Grey Fiberglass Lining
- Matching Thermo-Spruce Wooden Steps
- Extra Thick, Insulated Foam Cover (Steel Reinforced, Foldable)
- Integrated Drainage Tap for Easy Water Management

Downloads:
Order Processing: Once you place your order, you'll receive an order confirmation email. Please allow 1-3 business days for processing. If there are any unexpected delays, we’ll reach out to you immediately.
Shipping Methods:
- Standard Shipping: Small items ship with UPS, FedEx, or USPS. They usually do not need a delivery signature.
- Freight Shipping: Large or heavy items ship with a box truck to your curbside or loading dock. They will schedule a delivery appointment when the shipment is in your area.
Delivery Timeline:
- Processing: Please allow 1-3 business days for us to process your order in our system.
- Handling Time: This product should ship out in days from the time it is processed.
- Transit Time: Ground orders take 1-5 business days. Freight shipments may take 3-10 business days, depending on your location.
- Delivery Appointment: For freight deliveries, the carrier will contact you to set a delivery time. Someone must be present to receive the delivery.
Receiving Your Shipment: Inspect your shipment for damage before signing the delivery receipt. For any issues, mark “DAMAGED, NEEDS REVIEW,” take photos, and contact us within 2-3 business days.
Warranty Information:
We’re an authorized dealer; all products include the original manufacturer’s warranty. See product details for coverage specifics.
Questions or a claim? Contact us or the manufacturer for assistance.
