Transform any room into a personal retreat with a custom indoor sauna designed and installed by Seattle Custom Saunas. Whether you're converting a bathroom, basement, or spare space, our indoor saunas are crafted for comfort, efficiency, and long-term performance. We help Seattle homeowners achieve spa-quality relaxation.
Our experienced designers and installers work closely with you to create an indoor sauna layout that blends beautifully into your home while delivering reliable, energy-efficient heat. Every sauna we build is custom-made, using premium materials and expert craftsmanship to ensure it fits your space and your lifestyle perfectly.
A great sauna starts with a thoughtful, detail-driven design process — and that’s exactly what we provide. Our design phase goes far beyond sketches. It’s a collaborative experience where we combine your vision with our technical expertise to develop a sauna that looks stunning, functions flawlessly, and fits perfectly within your space.
Here’s what’s included in our custom sauna design service:
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Personal Consultation:
We begin with a deep-dive into your space, wellness goals, and style preferences.
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3D Renderings & Layouts:
Visual mockups help you see exactly how the sauna will look and function.
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Material & Finish Selection:
From cedar and hemlock to spruce and specialty features like salt walls or glass panels.
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Heating System Planning:
We help you choose the ideal method — electric, wood-burning, infrared, or hybrid.
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Ventilation & Safety Specs:
Designed to meet building codes while optimizing airflow and energy efficiency.
Every project is unique. Whether you want clean modern lines, a traditional wood aesthetic, or an ultra-luxury spa feel, we’ll bring your ideas to life with plans ready for seamless installation.
Indoor saunas offer year-round relaxation and a permanent wellness upgrade—right in the comfort of your home. You don’t have to worry about rain, snow, or outdoor prep. With easy access and consistent temperature control, indoor saunas are a favorite for:
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Master suites
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Guest bathrooms
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Finished basements
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Home gyms or spas
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Converted closets or nooks
They’re also easier to maintain and more energy-efficient than larger exterior builds. We make sure your indoor sauna is not only functional but a beautiful part of your interior space.
Seattle homeowners trust our team because we’re more than builders—we’re sauna specialists. We understand what makes a home sauna effective in the Pacific Northwest, including moisture control, power planning, and material durability. With dozens of indoor sauna installs completed across Seattle, Bellevue, Redmond, and beyond, we bring experience and reliability to every job.
Locally owned
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Expert support from design to installation
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Free consultations
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Fully custom indoor builds
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Handled start to finish by our team
Looking to add a custom sauna to your home? Let’s talk about your space, budget, and goals. Our team will guide you from concept to completion—so you can enjoy the lasting comfort of your own indoor retreat.
Address:
340 15th Ave E #212, Seattle, WA 98112
Website:
Opening Hours:
Every Day 7am - 7pm
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