• A Pure Cube Neptune Sauna from Henki on a White Background.
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Neptune Sauna

Neptune Sauna

$15,521.50 CAD
$15,521.50 CAD
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Shipping calculated at checkout.

The Neptune sauna is a fully insulated outdoor structure with a full glass wall and two-tier, clear cedar benches. It's North America's most popular premium sauna for a reason.

Additional Customizations

This product can be further customized upon request. Window finishes and lights can be added at an additional cost. Please contact us for details.

Specifications

• Max capacity: 6 people
• Red cedar
• Fully insulated
• Two-tier benches
• Minimum heater size: 7.5kW

Dimensions

• Exterior width: 96"
• Exterior depth: 113"
• Exterior height: 91"
• Interior bench length: 77.5"

What's Included?

• Complete sauna kit
• Detailed assembly instructions/video
• Heater sold separately

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Premium Canadian Cedar

Locally sourced cedar for exceptional durability, natural moisture resistance, and a warm aroma. We strongly believe cedar is the ultimate sauna material.

A Pure Cube Neptune Sauna in the fall.
The side of a Pure Cube Neptune Sauna with black metal siding and a stone walkway leading up to it.
The interior of a Pure Cube Neptune Sauna with a large glass window overlooking a home next to a river.
The premium cedar interior of a Neptune Sauna from Henki Sauna Co with sauna accessories.
The side of a Pure Cube Neptune Sauna with fluted cedar siding and a full glass door.
A Pure Cube Neptune Sauna on a small deck next to the forest in Muskoka.

Invest in your longevity.

  • Heart Health

    Frequent sauna use can cut your risk of fatal heart disease in half — studies show a 50% reduction in cardiovascular-related deaths among those who sauna 4–7 times per week.

  • Improved Sleep

    Heat exposure triggers the body’s natural sleep signals. Research shows sauna users report 70% improvement in sleep quality and duration.

  • Natural Relief

    Sweating helps eliminate toxins and lower stress. Sauna sessions can increase the excretion of heavy metals by up to 2x and reduce cortisol levels by 40%.
A cedar sauna door handle on Henki's Tempered Glass Sauna Door.

Henki Materials

Our saunas are built exclusively with Henki materials — skip the middleman and buy directly from the manufacturer for better prices, consistent quality, and easy access to matching replacement parts.

Customer Photos

  • A Pure Cube Neptune Sauna with black metal siding on a gravel patch.
  • The interior of a cedar sauna with a large glass window on a dock in Muskoka.
  • The side and back of a Neptune Sauna next to a lake in Canada.
  • A Pure Cube Neptune Sauna from Henki Sauna Co with large rocks in front of it.
  • The clear cedar benches and back rest inside of a Pure Cube Neptune Sauna from Henki.
  • A Pure Cube Neptune Sauna in a backyard next to a playground with a yellow slide.

The absolute easiest way to build your dream sauna. Spend less time planning and more time relaxing with ready to assemble materials and detailed building instructions.