Pure Cube Neptune Sauna


The Pure Cube Neptune Sauna seamlessly blends the outdoors with its expansive glass front wall. Enjoy nature from the comfort of a spacious, fully insulated interior. This modular sauna kit features black metal siding, EPDM roofing, and a western red cedar interior, creating a contemporary, stylish outdoor sauna. Easy to assemble, it’s a perfect addition to the Pure Cube Collection by Leisurecraft.


Front Wall Glass

Single-piece, 6mm tempered glass window on the front wall

Black Metal

Matte black powder-coated board and batten siding

Modular Assembly

Assembles in 8 hours or less with 3 people

Glass Door

Tempered 8mm glass door with a solid wooden handle

Glass Panel Rigger

Kit includes custom riggers for secure window installation

Cedar Benches

Two-tier benches crafted from clear Western Red Cedar


Side Wall Benches

Optional single-tier benches along the side walls

Insulated Floor, Walls & Roof

Achieve an R-value of 12 by insulating the walls, floor, and roof


Bucket & Ladle

Our 4-liter pine sauna bucket with a plastic insert is ideal for any sauna. The wooden ladle is perfectly sized to add water to the rocks, generating the steam you need


Red Cedar thermometer is the perfect tool for accurately reaching your desired sauna temperature


This shelf is ideal for securely holding your eucalyptus bottle or water bottles while you enjoy your sauna

Elite Backrest

This cedar backrest will make your sauna experience significantly more comfortable

Comfort Backrest

Clear Red Cedar backrest doubles as a pillow

Sauna Light

This light is perfect for both indoor and outdoor use in your sauna. Its frame is both sturdy and stylish

Light Shade

This elegant cedar light cover is ideal for covering our wall-mounted light

Cleaner & Essence

Apply sauna cleaner spray to wipe down walls and benches


Huum Hive Heater

Electric floor model heater available with optional Wi-Fi controls

Huum Drop Heater

Wall mounted electric heater with optional Wi-Fi Controls


Floor-standing heater with 200 lbs of rock capacity

Designer B

Electric wall-mounted heater with 50 lbs of rocks


Wood-burning heater with interior feed and glass window

Send Us A Message

Contact our experts at Spas of Montana today to learn more about our products. Whether you’re looking for saunas, in need of repair, or exploring options for your outdoor living space, feel free to contact us.