Custom Outdoor Saunas
Custom Outdoor Sauna Design & Installation
in Idaho
Create a backyard, poolside, rooftop, or hospitality sauna experience designed for the outdoors and built around the way you want to relax, recover, and recharge.
Outdoor saunas bring wellness into the landscape of a home or commercial space. Whether you want a fully custom build or a modular outdoor solution, we help plan the details that make the sauna feel beautiful, functional, and built for long-term use.
Serving Boise Metro, Idaho & Eastern Oregon
Outdoor Sauna Design
A private wellness retreat, built beyond the walls of your home.
Outdoor sauna projects require thoughtful planning around placement, materials, structure, weather exposure, electrical access, entry points, and how the sauna connects to the surrounding space.
At Les Bois Sauna & Leisure, we help clients determine whether a custom outdoor sauna, modular sauna, barrel sauna, or pre-built option is the best fit for the property, timeline, budget, and desired experience.
Outdoor Spaces
Designed for backyards, pool areas, rooftops, and destination wellness spaces.
Outdoor saunas can be designed into nearly any property when placement, materials, and site conditions are planned with intention.
Backyards
Create a private outdoor sauna retreat that fits naturally into your home’s landscape, patio, garden, or outdoor living area.
Pool Areas
Pair heat therapy with poolside relaxation for a more complete outdoor wellness experience.
Rooftops
For select residential, hospitality, or urban projects, rooftop saunas can create a unique and elevated wellness amenity.
Guest Houses + ADUs
Add a sauna near a guest house, pool house, or accessory structure to create a dedicated wellness destination.
Hospitality Spaces
Support boutique hotels, resorts, retreats, and private clubs with outdoor sauna experiences designed for guests.
Wellness Facilities
Create an outdoor heat therapy experience for gyms, spas, wellness centers, recovery spaces, and commercial environments.
Custom + Modular Options
Fully custom when the vision calls for it. Modular when speed and simplicity matter.
Outdoor sauna projects can take several forms. We help you choose the path that best fits your property, timeline, and budget.
Custom Outdoor Saunas
Designed and built around your property.
Best for clients who want a specific size, architectural look, unique finish level, or a sauna that integrates closely with the surrounding property.
- More control over size and layout
- Custom wood and finish selections
- Integrated glass, lighting, and design details
- Strong fit for luxury residential and commercial projects
- More flexibility around architecture and surrounding space
Modular / Pre-Built Outdoor Saunas
A faster path to a finished outdoor sauna.
A smart option for clients who want a faster path to a finished outdoor sauna with professional guidance and installation.
- Faster installation timeline
- Lower overall investment compared to fully custom
- Strong fit for backyards and standalone outdoor spaces
- Available in a range of sizes and styles
- Professionally installed and guided by our team
Guidance
Outdoor saunas need the right location, materials, and installation plan.
We help you make confident decisions across every choice that shapes how the finished outdoor sauna performs and feels.
Placement + Orientation
We help think through where the sauna should sit, how it will be accessed, and how it relates to the property, views, privacy, and surrounding outdoor space.
Custom vs Modular
We help determine whether a fully custom build or modular outdoor sauna is the better fit based on budget, timeline, site conditions, and design goals.
Wood + Exterior Materials
Outdoor saunas require thoughtful material selection for durability, appearance, weather exposure, and long-term performance.
Heater Selection
The right heater depends on sauna size, desired experience, performance goals, and budget, with premium options such as HUUM, IKI, Harvia, and other systems depending on the build.
Electrical + Site Planning
Most saunas require a dedicated electrical circuit, and outdoor projects may require additional coordination around access, placement, and site readiness.
Lighting + Finishing Details
Glass, lighting, benches, controls, and exterior details can all shape how the sauna looks, feels, and functions once complete.
Built for the Outdoors
Designed for the elements. Built for the experience.
An outdoor sauna has to do more than look beautiful. It needs to work with the site, withstand outdoor conditions, support the right heat experience, and feel intentional within the property.
Les Bois Sauna & Leisure helps clients and project teams think through the details that matter before installation begins.
- Outdoor placement and site conditions
- Weather-ready material selection
- Dedicated electrical planning
- Heater sizing and placement
- Ventilation requirements
- Entry, access, and surrounding pathways
- Glass, doors, lighting, and finish details
- Coordination with builders, designers, electricians, and project teams
- Installation and final walkthrough
Outdoor Sauna Inspiration
Warmth, privacy, and atmosphere in the open air.
Inspiration for the structures, materials, and details that shape a premium outdoor sauna experience.
Cedar sauna cabin paired with hot tub on covered patio
Glass door open to the patio
Cedar cabin facade with towel hooks
Aspen interior with pillar stone heater
Tiered bench detail and heater
Interior view to the cold plunge
Glass-front outdoor sauna concept
Inspirational imagery — representative of the finish level we work toward.
Process
From outdoor vision to finished sauna.
A clear, guided path through the decisions that shape every outdoor sauna project.
- 01
Consultation
We begin with your property, goals, budget, timeline, and the type of outdoor sauna experience you want to create.
- 02
Site Review
We review the outdoor location, access, placement, surrounding conditions, and whether a custom or modular solution makes the most sense.
- 03
Design Direction
We help determine layout, structure, wood, heater, glass, lighting, controls, and other features that shape the final experience.
- 04
Proposal + Coordination
Once the direction is clear, we provide proposal details and coordinate the next steps for product selection, measurement, fabrication, scheduling, and site readiness.
- 05
Installation + Walkthrough
Your sauna is installed, tested, and reviewed with you so you understand how to use and care for the finished outdoor space.
Outdoor Sauna Questions
Common questions before building outdoors.
A few of the questions clients often ask before starting a custom outdoor sauna project.
View All FAQsYes. Outdoor saunas can be installed in backyards, pool areas, rooftops, hospitality spaces, and wellness facilities.
Yes. Outdoor modular sauna options are designed to withstand the elements while providing a premium sauna experience.
Most modular sauna installations can be completed in 1–2 days once materials arrive. Custom projects vary depending on complexity, site readiness, material lead times, and design approvals.
Most saunas require a dedicated electrical circuit. Requirements vary depending on heater size and sauna type, so these details are reviewed during planning.
Custom is best when the project calls for a specific design, size, finish level, or architectural integration. Modular is a great option for clients looking for a faster installation timeline and lower overall investment.
Begin
Start your outdoor sauna project.
Tell us about your property, goals, and vision. We’ll help you determine whether a custom or modular outdoor sauna is the right fit and what the next steps should be.