Shipping Container Sauna: Features, Dimensions, Add-Ons, and Costs
Get a quoteShipping Container Sauna – Features, Dimensions & Costs
Key Takeaways
- Shipping container saunas are a modern, mobile way to enjoy the traditional sauna experiences.
- Standard sizes include 10-ft, 20-ft, and 40-ft units with custom layouts and finishes.
- Add-ons like glass fronts, AV systems, and solar power let you personalize your setup.
- Conexwest’s Saunex has a turnkey sauna solution, complete with shower, toilet, and custom options.
What Is a Shipping Container Sauna?
A shipping container sauna is a modified steel container designed to function as a self-contained, insulated sauna. The interior is finished with heat-resistant wood, often includes an electric or wood-fired heater, and can be outfitted with seating, lighting, and ventilation.
These saunas are used in a variety of settings: residential properties, vacation rentals, off-grid cabins, and even wellness retreats. Since they’re built from durable container structures, they’re easy to relocate and strong enough to handle extreme weather conditions.
Conexwest, a leader in shipping and storage solutions based in Northern California, offers new, used, and refurbished containers from 10ft to 45ft, with fast delivery within 3-7 days and container fabrication options like adding shelves and locks. We serve over 10,000 customers nationwide, including prestigious clients like the U.S. Navy and Google. As an ISO 9001 and AWS-certified company, we ensure top quality and competitive pricing. |
Key Features of Container Saunas
Shipping container saunas are packed with both structural and functional features that make them ideal for year-round use:
- Insulated Interior: Proper thermal insulation and vapor barriers keep the space efficient and safe from moisture damage.
- Wood-Finished Walls and Benches: Cedar, spruce, or thermally treated wood give that traditional sauna experience and hold up to heat.
- Heater Options: Choose from electric sauna heaters (which are easy to maintain) or wood-burning stoves for a more authentic feel.
- Ventilation System: Proper airflow ensures heat is balanced and fresh air circulates throughout the session.
- Durability: The steel exterior is weather-resistant and built to last, even in tough climates.
Container saunas are self-contained and easy to deliver or relocate.
Common Sizes and Dimensions
Container saunas come in a few standard sizes, each with its own advantages depending on available space and how many people you want to accommodate:
20-ft sauna – Fits 4–6 people comfortably and allows space for a changing bench or small waiting area.
Interior dimensions: approximately 19’4” (L) × 7’9” (W) × 7’10” (H)
40-ft sauna – Suitable for group use, or for separating the space into a sauna room and a full changing or relaxation area.
Interior dimensions: approximately 39’3” (L) × 7’9” (W) × 7’10” (H)
45-ft sauna – Offers even more interior space, making it ideal for high-traffic facilities, wellness centers, or luxury spa setups that require larger seating areas, dual rooms, or added amenities.
Interior dimensions: approximately 44’6” (L) × 7’9” (W) × 8’10” (H)
Each unit has enough height to accommodate proper seating levels and heater placement. Layouts can be customized to include glass walls, full benches, or private entryways.
Popular Add-Ons and Customizations
What sets shipping container saunas apart is how customizable they are. You can start with a basic setup and add features that suit your style, comfort, and location.
Tempered Glass Doors or Full Glass Walls: Add a modern, open feel with high-quality tempered glass. Whether it's a full front wall or a single glass door, this upgrade enhances natural light, provides scenic views, and complements both rustic and contemporary designs.
LED Lighting with Timers or Dimmers: Soft, adjustable lighting helps set the right atmosphere inside the sauna. Dimmable LED strips or recessed lighting controlled by timers are perfect for creating a relaxing environment during evening or early morning sessions.
Built-in Audio Systems: A waterproof audio system lets you stream your favorite playlists, podcasts, or calming nature sounds while you unwind. Most setups include Bluetooth capability and discreetly mounted speakers.
Smart Thermostats or Digital Control Panels: Monitor and adjust the temperature remotely or with a touchscreen panel. Many systems allow you to preheat the sauna, set session timers, and monitor humidity, all from a mobile app or wall-mounted controller.
Solar Panel Integration: For off-grid or eco-conscious setups, solar panels can power your lighting, audio system, and ventilation. It's a smart solution for cabins, remote retreats, or sustainability-focused builds.
Exterior Siding or Paint Finishes: Finish the look with custom siding like wood cladding, corrugated steel, or painted exteriors. These options help your container sauna blend in with surrounding structures or stand out as a modern showpiece.
With Conexwest custom builds, just share your ideas and we’ll handle the rest.
How Much Does a Sauna Container Cost?
Container Type | Oakland | Los Angeles | Sacramento | Dallas | Atlanta |
20-ft Standard ISO Container | $2,149 | $2,300 | $2,279 | $2,089 | |
40-ft Shipping Container | $2,095 | $2,100 | $2,095 | $2,349 | $2,159.00 |
45-ft High Cube Container | $2,699 | $2,600 | $6,299 | $4,451 | $6,246 |
*These numbers are estimates, and the actual price can vary. Thus, it’s best to reach out to us for an accurate quote.
Why Choose Conexwest for Sauna Conversions?
At Conexwest, we specialize in transforming standard shipping containers into high-quality, fully functional sauna units. And we’re proud to introduce our newest specialty container: The Saunex.
The Saunex is a fully built sauna housed within a Conexwest shipping container. It features a thoughtfully designed interior with three distinct sections: a central passageway, a full shower and toilet area, and a traditional hot sauna room.
The layout is simple, efficient, and can be customized to fit your personal preferences or commercial needs. Sizes range from 20 ft to 45 ft, making it suitable for both private and group use.
With already built saunas, you save time, effort and money.
Key reasons customers choose Conexwest:
- All work is handled in-house, from insulation to interior finishes. Every Saunex unit is sealed and built to ensure optimal performance and long-term use.
- We use premium wood interiors, commercial-grade vapor barriers, and weather-tested steel containers for strength, safety, and comfort.
- Our team delivers anywhere in the U.S. within 3–7 days, including remote or off-grid locations, ideal for cabins, spas, or resorts.
- The standard Saunex includes a sauna, shower, and toilet setup. Custom options like added lighting, windows, or roll-up doors are available to match your vision.
- Standard Saunex units are ready in about a month from order to delivery. Bulk discounts are available for commercial clients or specialty projects.
Frequently Asked Questions (FAQs)
- Can a shipping container sauna be used in cold climates?
Yes. These saunas are built with high-performance insulation, vapor barriers, and weather-resistant materials, making them ideal for year-round use, even in snowy or freezing environments.
- Can I relocate my container sauna later?
Yes. One of the main advantages of a shipping container sauna is portability. If needed, it can be moved to another property or location with the help of standard transport equipment.
- What kind of maintenance is required?
Maintenance is minimal. You’ll want to regularly clean the interior, check ventilation, and inspect any wood or heater components. As with any sauna, occasional upkeep ensures safety and performance.
- Is it possible to add a cold plunge or outdoor shower to the setup?
Definitely. Many customers pair their container sauna with a cold plunge tub or outdoor shower for the full hot-and-cold therapy experience. These can be included as part of your customization package.
- What makes The Saunex different from a basic container sauna?
The Saunex is Conexwest’s signature, ready-to-order sauna unit. It features a pre-built layout with a shower, toilet, and sauna room—all sealed, insulated, and ready for delivery, with further customization options available.