SaunaLife Model S6B 7-Person Soak-Series Home Wood-Burning Hot Tub

The SaunaLife Model S6B is a premium wood-fired hot tub designed for larger groups, comfortably accommodating up to seven people. As the largest model in the SOAK Series, it features a spacious 436-gallon capacity and a sleek black Thermo-Spruce exterior for a modern outdoor aesthetic. Handcrafted in Northern Europe, the S6B combines luxury, durability, and high-performance heating without requiring electricity.

Powered by an advanced dual-chamber, self-cleaning 304 stainless steel stove, the S6B heats water quickly while using significantly less wood than traditional wood-burning hot tubs. The ergonomic dark gray fiberglass interior is designed for long-lasting comfort and easy maintenance, making it ideal for families, entertaining, or hospitality settings.

Features

Heating & Performance

• High-efficiency dual-chamber wood-burning stove
• Self-cleaning corrugated stove design for improved heat transfer
• Uses up to 50% less wood than traditional wood-fired tubs
• Heats 436 gallons from 40°F to 95°F in approximately 2–2.5 hours
• No electricity required for operation

Construction & Materials

• Black Thermo-Spruce exterior with superior thermal resistance
• Thermally modified wood lasts up to twice as long as cedar
• Ergonomic dark gray fiberglass interior for added comfort
• Durable 304 stainless steel stove and polished chimney
• Marine-grade insulated vinyl cover helps retain heat and protect the tub

Convenience & Design

• Ships fully assembled for easy setup
• Matching black Thermo-Spruce stairs included
• Integrated drainage tap for simplified maintenance
• Ideal for outdoor residential or hospitality use
• Handcrafted in Northern Europe

Specifications

General

• Model: S6B
• Capacity: Up to 7 bathers
• Water Capacity: 436 gallons
• Heat Time: Approximately 2–2.5 hours
• Maximum Efficiency: Up to 50% reduced wood consumption
• Electricity Required: None

Construction

• Exterior Material: Black Thermo-Spruce (1.65" thick)
• Interior Material: Dark gray contoured fiberglass
• Heater Material: 304 stainless steel
• Chimney Material: Polished stainless steel with rain cap

Weight & Shipping

• Product Weight: 551 lbs
• Shipping Weight: 728 lbs
• Shipping Dimensions: 93"W × 47.2"D × 94.5"H
• Shipping Method: Palletized LTL Freight

• Fully assembled SaunaLife Model S6B hot tub
• 304 stainless steel wood-burning stove (installed)
• Matching black Thermo-Spruce stairs
• Insulated marine-grade vinyl cover
• Polished stainless steel chimney
• Chimney rain cap
• Integrated drainage tap

Required for Operation (Sold Separately)

• Firewood (hardwood recommended)
• Garden hose or water source
• Fire starter or kindling

Exterior Dimensions

• 89" Diameter
• 40.2" Height

Interior Dimensions

• 80.7" Diameter
• 35.4" Interior Height

User Manual, Spec Sheet

Enjoy free shipping across the USA. Your SaunaLife Model S6B 7-Person Soak-Series Home Wood-Burning Hot Tub  will be processed and shipped within 1-3 business days, with estimated delivery arriving within 5-10 business days depending on your location.

Inventory Numbers: [SL-MODELS6B] (SAK13679)