Leil Black Cube Outdoor Sauna
Leil Black Cube Outdoor Sauna - Classic · 4-Person / No Back Window / No LED is backordered and will ship as soon as it is back in stock.
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- Model: Black Cube Series — Classic · Comfort · Premium
- Compact modern cube with black-tinted tempered glass front, handcrafted in Estonia by Leil Saunas
- L-shaped two-level bench, 60 cm wide for lying down
- Shingle roof with metal gutters and 40 mm thermo-pine walls
- About 10% more room inside than comparable cubes, with a side-mounted heater
- Three models seating 4 to 6; Premium includes a hexagon deco wall
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Leil Black Cube Outdoor Sauna
Black Cube is Leil's compact modern cube: a black-tinted tempered glass front, a shingle roof with metal gutters and an L-shaped two-level bench with benches a full 60 cm wide, so you can lie down rather than just sit. A side-mounted heater frees up the bench, and the room is about 10% larger inside than most cubes its size.
Three models: Classic seats four, Comfort stretches the room for six and takes a wood-burning stove as well as electric, and Premium adds a handcrafted hexagon deco wall as standard. Classic and Comfort can add a half-panoramic back window. Heater not included.
| Classic | Comfort | Premium | |
|---|---|---|---|
| Seats | 4 | 6 | 4 |
| Exterior (W × D × H) | 86.2″ × 65.4″ × 86.6″ | 86.2″ × 89.0″ × 86.6″ | 86.2″ × 65.4″ × 86.6″ |
| Interior (W × D × H) | 80.2″ × 54.3″ × 80.2″ | 80.2″ × 78.0″ × 80.2″ | 80.2″ × 54.3″ × 80.2″ |
| Footprint | 38.8 sq ft | 52.7 sq ft | 38.8 sq ft |
| Interior Volume | 177 cu ft | 276 cu ft | 177 cu ft |
| Weight | 1,764 lb | 1,929 lb | 1,819 lb |
| Shipping (lower 48) | $1,190 | $1,190 | $1,190 |
| Heater Type | Electric | Electric or wood | Electric |
| Hexagon Deco Wall | — | — | Included |
| Half-Panoramic Back Window | +$1,090 | +$1,090 | — |
| LED Basic / Classic | +$515 / +$940 | +$515 / +$940 | +$515 / +$940 |
| Price (base) | $7,990 | $9,490 | $9,990 |
Prices are Leil's 2026 minimum advertised price, ex works, delivered as a DIY kit with instruction manual. Heater not included. Freight across the continental U.S. is $1,190.
LED Basic lights the backrest or under the bench (set 2); Classic lights both (set 4). LED sets are dimmable warm-white strips with cable, transformer, dimmer switch and installation box.
Leil's recommended heaters: Harvia KIP 8 kW or HUUM DROP 6 / 9 kW.
- L-shaped upper and lower benches with bench skirt; benches are 60 cm wide for lying down.
- Black-tinted tempered glass front and door.
- Side-mounted heater keeps the bench free; air intake under the heater and exhaust behind the benches.
- 40 mm thermo-pine back wall.
- Shingle roof with metal roof gutters.
- Optional half-panoramic back window (Classic and Comfort).
- Comfort is suitable for a wood-burning stove as well as electric.
- Premium includes a handcrafted hexagon decorative wall.
- Wall elements and black-tinted tempered glass front
- Glass door
- L-shaped two-level benches with bench skirt and backrests
- Shingle roof with metal gutters
- Ventilation intake and exhaust
- Nerostep floor mat
- Finishing kit with paint and lacquer
Heater, sauna stones, LED lighting and the back window are sold separately.
Heater sizing for this sauna
Sized to the interior volume of the size you have selected, and matched to how the heater mounts.
- Interior volume
- 176.6 cu ft
- Outdoor, cold climate · 50%
- +88.3
- Effective volume
- 265 cu ft
Interior volume as published by the manufacturer.
Our recommendation
6.0 kW
HUUM HIVE Mini
At 265 cubic feet this is the size we would put in. It sits high in its rated range, so allow a longer warm-up.
Electric heaters that fit this sauna
-
Recommended
HUUM HIVE Mini
6.0 kW · rated 177.0–318.0 cu ft
Floor-standing · 30 A breaker · 10 AWG
Top of its range
From $4,364
Complete package with UKU Local Black
-
HUUM CLIFF
6.0 kW · rated 176.0–353.0 cu ft
Floor-standing · breaker not published
Top of its range
From $3,809
Complete package with UKU Local Black
-
HUUM STEEL
6.0 kW · rated 176.0–353.0 cu ft
Floor-standing · breaker not published
Top of its range
From $3,153
Complete package with UKU Local Black
-
HUUM DROP
6.0 kW · rated 177.0–353.0 cu ft
Wall-mount · 30 A breaker · 10 AWG
From $2,888
Complete package with UKU Local Black
One heater per series, at the size that suits this sauna — open any of them to see the rest of the range. Sizing is a starting point, not an installation specification: confirm the output, the mounting and the electrical requirement against the heater’s own manual and a licensed electrician before you buy.
Wood-fired stoves for this sauna
-
Wood-fired
HUUM HIVE Wood Series 13kW
13.0 kW · rated 212.0–459.0 cu ft
Floor-standing · no electrical service needed
From $2,540
Package with sauna stones
-
Chimney
HUUM Chimney Kit, Barrel
Through the roof
Required for the wood stove
$1,424
A wood stove needs a chimney — this kit goes up through the roof. Need it out through a wall instead? Get in touch. Check clearances to combustibles in the stove’s manual and your local code before installing.
- Interior volume
- 275.5 cu ft
- Outdoor, cold climate · 50%
- +137.8
- Effective volume
- 413 cu ft
Interior volume as published by the manufacturer.
Our recommendation
10.6 kW
HUUM HIVE Mini
At 413 cubic feet this is the size we would put in.
Electric heaters that fit this sauna
-
Recommended
HUUM HIVE Mini
10.6 kW · rated 354.0–566.0 cu ft
Floor-standing · 50 A breaker · 6 AWG
From $4,866
Complete package with UKU Local Black
-
HUUM CLIFF
9.0 kW · rated 317.0–529.0 cu ft
Floor-standing · breaker not published
From $4,100
Complete package with UKU Local Black
-
HUUM STEEL
9.0 kW · rated 317.0–529.0 cu ft
Floor-standing · breaker not published
From $4,086
Complete package with UKU Local Black
-
HUUM DROP
9.0 kW · rated 282.0–530.0 cu ft
Wall-mount · 50 A breaker · 8 AWG
Top of its range
From $3,133
Complete package with UKU Local Black
One heater per series, at the size that suits this sauna — open any of them to see the rest of the range. Sizing is a starting point, not an installation specification: confirm the output, the mounting and the electrical requirement against the heater’s own manual and a licensed electrician before you buy.
Wood-fired stoves for this sauna
-
Wood-fired
HUUM HIVE Wood Series 13kW
13.0 kW · rated 212.0–459.0 cu ft
Floor-standing · no electrical service needed
Top of its range
From $2,540
Package with sauna stones
-
Chimney
HUUM Chimney Kit, Barrel
Through the roof
Required for the wood stove
$1,424
A wood stove needs a chimney — this kit goes up through the roof. Need it out through a wall instead? Get in touch. Check clearances to combustibles in the stove’s manual and your local code before installing.
