Grand Geyser - 4 Person Outdoor and Indoor Steam Room - Obsidian Black
Our largest plug-and-play steam room. Built to bring group wellness home — proudly handcrafted in Florida, USA.
Designed for group sessions, cold plunge recovery, or family wellness, the Grand Geyser 2025 delivers commercial-grade performance in a self-contained, easy-to-install steam cabin. It’s our most spacious unit, ideal for couples, athletes, or those who want the ultimate at-home spa.
Availability
In stock, lead times are 10–18 business days.
Key Features
XL Group-Friendly Design
Dimensions (W x D x H):
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Outdoor Cabin: 72" x 52" x 86" (6 ft x 4.3 ft x 7 ft)
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Indoor Cabin: 78" x 52" x 86"
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Indoor with Exterior Bench: 88" x 52" x 86" (7.3 ft x 4.3 ft x 7 ft)
Spacious enough for 4–5 people seated or 2–3 people fully reclined.
Power & Performance
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Includes 2 steam generators (1500W / 13 Amps each)
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Operates on two separate 110V outlets (standard household circuits)
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Optional upgrade to 220V commercial-grade system
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Heats up in 15–20 minutes with both generators
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Provides 1–2+ hours of steam per fill
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Quick 5-minute refill for extended sessions
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Each generator must be plugged into its own outlet for full performance
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Up to 3000W combined output for maximum heat saturation in a large space. Optional to add a third pump for 4,500W
Custom Temperature Control
Manually adjust the temperature and intensity to your preferred level.
Self-Contained Drainage System
Drain built into the floor—no plumbing required for residential use.
Heavy-Duty Materials & Finishes
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Interior: Seamless engineered marble for easy cleaning and mold resistance
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Exterior: Composite or thermowood cladding for weather protection
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Structure: Reinforced aluminum frame
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Door: Extra-wide tempered glass for easy entry and group visibility
Spacious Ergonomic Seating
Multi-level seating for group comfort. Bench layout allows sitting or lying down.
Aromatherapy-Ready
Add essential oils to the steam for a deep, rejuvenating experience.
Choose Your Version: Residential or Commercial
Residential Version (Plug-and-Play)
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Ideal for families, couples, or recovery routines
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No plumbing required — just fill the tank with water
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Up to 2 hours of steam per fill
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5-minute refill time
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Assembles in ~2–3 hours with 2–3 people
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Designed to fit through standard 36”+ doors in panels
Commercial Version (High-Traffic Use)
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Ideal for spas, gyms, recovery centers, and luxury wellness spaces
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Requires plumbing and 220V hookup
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Capable of continuous use without refilling
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Steam generator must be installed by a licensed plumber
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Professional cabin assembly included (plumbing not included)
Customize Your Steam Room
Back Panel Siding
The rear of the cabin does not include siding by default (since it typically backs up against a wall).
Want a 360° finished look? Just select “Yes” at checkout to add rear panel siding.
Questions? Need guidance?
We’re happy to walk you through everything — from site requirements to installation and generator selection.
+1 888-439-7370
Specifications
| Category | Details |
|---|---|
| Model | Grand Geyser™ 2025 – 4–6 Person Steam Room |
| Capacity | 4–6 people |
| Installation | Indoor or outdoor use |
| Dimensions (Outdoor) | 72" W x 52" D x 86" H |
| Dimensions (Indoor) | 78" W x 52" D x 86" H |
| With Exterior Bench | 88" W x 52" D x 86" H |
| Power Requirement | Two standard 110V outlets (or 220V commercial upgrade) |
| Power Output | 1500W (13 Amps) per generator; 3000W total |
| Heater Type | Electric steam generators |
| Heat-Up Time | 15–20 minutes |
| Steam Duration | 1–2+ hours per fill |
| Refill Time | ~5 minutes |
| Drainage | Self-contained floor drain (no plumbing needed for residential) |
| Materials | Interior: engineered marble; Exterior: composite or thermowood |
| Frame | Reinforced aluminum structure |
| Door Type | Extra-wide tempered glass with aluminum frame |
| Seating | Multi-person ergonomic bench seating |
| Aromatherapy | Yes – essential-oil ready |
| Back Panel | No siding by default (optional add-on) |
| Assembly Time | 2–3 hours with 2–3 people |
| Made In | Florida, USA |
Choose options
0% APR Financing Available at checkout
Discover a range of financing options to suit your budget, and enjoy one of our premium plug-and-play steam rooms.
how it works
testimonials
Plug-and-Play Design
Our steam rooms are designed and manufactured in Miami, Florida in such a way that there's no need to hire an electrician or plumber saving you thousands.
Heats up to 130 F. (feels like 200 F.)
With almost 100% humidity inside, you will enjoy all the medical benefits of hot steam therapy
Works Outdoors and Indoors
No space inside? No problem! It also works outside, we just recommend using a cover
marble finished interior
composite exterior material resistant to outdoors
What our customers are saying
"The steam sauna has become our favorite retreat at home. GeyserSteam’s quality and service are truly top-notch andlooks great in the garage!"
Emily T.
"Transforming our home with a steam room from GeyserSteam was the best decision we ever made.My allergies are much better after 2 weeks using it everyday!"
Samantha P.
"Great customer service.It has helped with my knee injury and low back pain.I use it after working it out 3 times a week and it is very relaxing."
John S.
"My experience with GeyserSteam has been awesome!. The shipping was very fast. I use it every week for muscle recovery and relaxation.I feel I sleep much better."
Jasmine R.
Demo video
Video
Step-by-Step Assembly
Video
testimonials
Hassle-free returns
30-Day Return Policy
If the steam room sauna didn't meet your expectations, just contact us within 30 days to start the return process. More information on the returns page.
Grand Geyser - 4 Person Indoor & Outdoor Steam Room
Dreaming of a luxurious spa experience at home, but with enough space for the whole crew? Look no further than the Geyser - 4 Person Indoor & Outdoor Steam Room from Geyser Steam! Here are 3 reasons why it's the perfect addition to your life:
- Unwind with the Whole Squad: The Geyser's spacious interior comfortably fits up to four people, creating the ultimate 4-person steam room experience. Imagine a relaxing steam session with family, friends, or even a small gathering, fostering connection and shared moments of well-being.
- Luxury Knows No Bounds: Unlike traditional saunas, the Geyser transcends limitations. This home steam room can be used indoors or outdoors, on your patio, or wherever you want. Transform any space into a luxury steam room oasis for you and your loved ones!
- Effortless Enjoyment for Four: Forget complicated plumbing or city permits! The Geyser simply plugs into a standard outlet, making setup a breeze. High-quality, mold-resistant materials ensure easy cleaning for long-lasting enjoyment, no matter how many share the steamy bliss.
Ready to create unforgettable relaxation experiences? Contact us or call +1-888-439-7370 to learn more about the Geyser and bring the spa experience home for four!
When choosing between the Grand Geyser 4-person steam room and a traditional sauna for your home, here’s how they differ:
- Moist Heat vs. Dry Heat: The Grand Geyser home steam room creates a humid environment with gentle, moist heat, while traditional saunas use dry heat, providing a more intense experience.
- Group Comfort: The Grand Geyser 4-person steam room offers ample space for a comfortable, shared experience, perfect for family or friends, whereas traditional saunas tend to feel more confined.
- Breathing Comfort: Steam rooms like the Grand Geyser luxury steam room are ideal for those who prefer moist air, which can help ease respiratory discomfort, unlike the dry air of saunas, which may feel harsh.
- Spa-Like Feel: The Grand Geyser provides a luxurious, relaxing atmosphere, ideal for an at-home steam room experience, while traditional saunas offer a more rugged, intense heat.
Ultimately, the Grand Geyser offers a more versatile and social luxury steam room experience, perfect for creating shared moments of well-being. Contact us or call +1-888-439-7370 to learn more!
You can contact us through our contact page! We will be happy to assist you.