Leil® Saunas Black Cube Premium

Your Backyard. Your Retreat. Some days you just need to close the door on everything else. The Black Cube Premium makes that easy — a beautifully crafted outdoor sauna that fits into real life, real backyards, and real routines. With its striking blackened exterior and warm, welcoming interior, the Black Cube Premium is designed to be used — every morning, every evening, every season. Built for the Outdoors. Ready for Anything. The Black Cube's bold exterior cladding is built to handle the elements while looking great doing it. Whether it's sitting under a dusting of snow in January or soaking up summer heat in August, this sauna is engineered for year-round outdoor living. Inside, the warm Nordic spruce interior creates the kind of calm, quiet atmosphere that makes it easy to slow down and breathe. The Premium Difference The Black Cube Premium includes everything in the Classic and Comfort models — plus the signature hexagon decorative wall feature that turns your sauna interior into something truly special. It's a small detail that makes a big difference. The moment you step inside, you'll notice it. Optional LED Lighting Upgrade Customize your experience with built-in LED lighting — choose what works best for your space: No lighting Under-bench lighting Backrest lighting Under-bench and backrest lighting (full ambiance package) Lighting is available as an add-on at checkout. What's Included Black Cube Premium sauna structure (pre-fabricated modular panels) Blackened thermory spruce exterior cladding Nordic spruce interior Two-tier interior bench configuration Full-length tempered glass door Side window Built-in ventilation system Hexagon decorative wall feature EPDM flat roof membrane Compatible with electric heater (heater sold separately) Specifications Coverage Area 38.8 ft² Steam Room Volume 176.6 ft³ External Dimensions W 86.2" × D 65.4" × H 86.6" Internal Dimensions W 80.2" × D 54.3" × H 80.2" Weight 1,819 lbs Pallet Size 3.94' × 7.38' × 3.94' Heater Type Electric (sold separately) A Space That's Yours The Black Cube Premium isn't just a sauna. It's a daily ritual, a personal retreat, and an investment in how you feel — every single day. Step in. Heat up. Let go. Ready to make it yours? Add to cart or reach out — we're happy to help you find the right setup for your space.