Outdoor Sauna Thermo Treated Spruce SERENITY ROUND CUBE DOUBLE (3 – 7 Person) EURO


Discover our latest masterpiece — the Serenity Round Cube Double (3-7 person) sauna! Delight in the sophistication of its rounded square design, expertly crafted from sustainably harvested thermotreated Nordic Spruce. This cabin sauna encapsulates the essence of the Finnish sauna experience, be it by the pool or nestled in your garden. Elevate your well-being with Shym Saunas, where tradition effortlessly blends with contemporary sophistication.

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Discover our latest masterpiece — the Serenity Round Cube Double (3-7 person) sauna! Delight in the sophistication of its rounded square design, expertly crafted from sustainably harvested thermotreated Nordic Spruce. This cabin sauna encapsulates the essence of the Finnish sauna experience, be it by the pool or nestled in your garden. Elevate your well-being with Shym Saunas, where tradition effortlessly blends with contemporary sophistication.


Step into warmth, joy, and connection. Open your sauna to friends, creating a cozy space where shared experiences turn into treasured memories.

Discover the easy assembly of our Serentiy Round Cube Saunas, with preassembled components for quick setup. The precision-cut log technology ensures sturdiness and space, offering pure comfort. Crafted from finest thermotreated Nordic Spruce, it exudes luxury, sustainability, and efficient thermal control, creating a tranquil oasis. 


Premium Thermowood

Our Serenity Round Cube Saunas are crafted from thermally treated spruce, a sustainable and environmentally friendly choice. Through the meticulous heat treatment process, all resins and other chemicals are expertly removed from the wood, ensuring it is entirely non-toxic. This not only contributes to a healthier sauna experience but also reflects our commitment to eco-conscious manufacturing.


Furthermore, the heat treatment stabilises the wood, eliminating the risk of twisting or splitting in the future. Opting for thermowood is not just a practical decision; it’s a responsible, eco-friendly choice that minimises environmental impact. Join us in embracing a sauna experience that combines luxury with a genuine commitment to sustainability.

Hassle-Free Assembly

Our Round Cube Serenity saunas arrive in a convenient kit form, simplifying the assembly process. Following a barrel assembly methodology, each wallboard securely stacks atop the previous one. Many components are meticulously crafted and tested in our factory in Estonia, ensuring high quality. 

Once delivered, you can effortlessly set up the sauna, allowing you to swiftly transition from delivery to your first blissful session without unnecessary delays. The ease of assembly guarantees a stress-free and enjoyable journey into the sauna experience.


Barrel Assembly Technology

Designed for simplicity and efficiency, our Serenity Round Cube saunas employ barrel assembly technology. The precisely cut staves effortlessly interlock, shaping a snug yet spacious environment. Step away from the outside world and discover tranquility in the warmth of our skillfully crafted sauna. Similar to log saunas, this inventive construction boosts structural integrity, providing ample space for relaxation and unwinding.

Thermal Efficient

Our Serenity Round Cube Sauna boasts 40 mm thick stave boards, maximising thermal efficiency. This design choice ensures that the heat is efficiently retained, allowing the sauna to reach the optimal temperature quickly and maintain it throughout your session. Furthermore Serenity series are the only saunas in our range that come with the mirror double glazed mirror windows for maximum comfort, look and thermal efficiency. 

Say goodbye to fluctuating temperatures and hello to consistent, enveloping warmth throughout your sauna session!

Split Level Benches with Backrest

Indulge in the classic cabin sauna experience with the designed split-level benches. These benches are the epitome of relaxation, offering varying levels of heat for you to choose from.

Whether you prefer the higher bench for a more intense, invigorating heat or the lower bench for a milder, soothing warmth, our sauna accommodates your preferences, making each session tailored to your personal comfort.


Sustainably Harvested Nordic Spruce

At the heart of our sauna’s exceptional craftsmanship lies the use of sustainably harvested Nordic Spruce. We source this exquisite wood from environmentally responsible forests, ensuring a positive impact on our planet.

The rich, natural beauty of Nordic Spruce adds a touch of elegance to the sauna’s design, creating an inviting ambiance that resonates with the authentic Finnish sauna experience. By choosing Nordic Spruce, we prioritise the longevity of the sauna while nurturing a commitment to preserving our forests for generations to come.

Premium Knotless Aspen Benches

Crafted with your ultimate comfort in focus, our sauna showcases premium knotless Aspen benches. Chosen for their exceptional lightweight quality, these benches are designed not only to provide a next-level comfort experience but also to be a delight to the touch. 


Embrace the luxurious feel of the benches, offering a seamless and smooth surface that enhances your overall relaxation. While prioritising comfort, these lightweight Aspen benches are tailored for a cozy, inviting experience, ensuring that every moment in your sauna is as delightful as it is tranquil.

8 mm Tempered Double Glazed Windows

In our latest Serenity Round Cube saunas, the allure of natural light meets contemporary elegance. The expansive windows, now upgraded to 8 mm double glazed mirror or bronze, not only flood the interior with warmth and light but also transform the sauna’s exterior.

Experience a captivating play of reflections that enhances the perception of space around your sauna, creating a stunning visual impact. The mirrored windows offer a unique blend of aesthetics and functionality, allowing ample light to filter through while ensuring the utmost privacy for those indulging in the sauna experience. Revel in the seamless harmony of style and discretion as you bask in the soothing ambiance of our innovatively designed sauna.



  • Built out of sustainably harvested Thermotreated Nordic Spruce
  • Comes in a kit with preassembled parts for easy assembly
  • Utilises log boards 40 mm thick for thermal efficiency and the structural integrity
  • Separate change room
  • Split level benches made of Premium Knotless Aspen
  • 8 mm Double Glazed Mirror/Bronze windows and door (single pane in a door)
  • Can be coupled with electric or firewood heaters
  • Overall external sauna dimensions: Depth 240/260 cm by Width 310 cm by 224 cm tall 
  • Internal dimensions: 189/209 cm by 175 cm by aprox 205 cm tall


  • Pick Up is available from the warehouse at no additional cost.
  • We can deliver within Tasmania for an additional charge of $600-$800.
  • We offer an interstate freight of $900-$2000 (please contact us for details).


  • Preassembled Thermotreated Spruce Sauna Kit
  • Roof cover is premium shingle ICOPAL Piano XL Black
  • 40 mm thick stave boards
  • Split level benches made of Premium Knotless Aspen (L-shape benches length 185 cm or 205 cm and 115 cm)
  • Water drain in the floor
  • Double Glazed Mirror/Bronze windows and door (Glass 8 mm tempered)
  • External mouldings treated in black. 
  • Backrests included 
  • 3 ventilation openings 
  • Feature wall made out of Juniper is not included 
  • Recommended heaters are HUUM HIVE HEAT/MINI 6/9 kW 


Here are some sauna accessories to make the best out of your spa experience:

Sauna Heater

Although the standard kit does not include a heater, you can acquire from our selection to complement your sauna experience seamlessly.

The heater stands at the core of our sauna, meticulously designed to provide optimal heat distribution throughout the space and stones, while also accommodating water pouring to enhance humidity levels.

The resulting invigorating warmth not only opens pores but also facilitates the release of toxins, offering an array of health benefits that contribute to your overall well-being.

HUUM Drop Electric Heater with stones
Cedar Spruce Sauna Pillow Backrest

Elevate your sauna comfort with our Cedar or Spruce Sauna Pillow Backrest. Designed for ultimate relaxation, its smooth contour provides a soothing spot for sitting or lying down in the sauna.

Crafted from high-quality cedar or spruce wood, choose between flat or round options. Enjoy the serenity of the sauna like never before.

Elevate Your Well-being with Shym Saunas

Experience the bliss of a genuine Finnish sauna in the comfort of your own home, and let the stress of the day melt away. Crafted with meticulous attention to detail and designed to enhance your relaxation, this sauna will become a cherished addition to your lifestyle.

Embrace the serenity and luxury of our sauna, and treat yourself to an unparalleled escape from the everyday hustle.

Ready to experience the epitome of relaxation and luxury? Visit Shym Saunas to explore our Traditional Cube Sauna and other exquisite spa products today!

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Weight N/A
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2400 mm long, 2600 mm long


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