JONAS is Celsium’s luxury outdoor sauna collection, designed as a freestanding architectural structure for private residences and hospitality projects. Available in five models — Mini, Classic, Grand, Classic Lounge and Grand Lounge — each JONAS sauna is built from premium natural materials with modern Scandinavian design, and can be customized to bring indoor comfort to an outdoor setting.
Designed for compact living, Jonas Mini delivers a full sauna experience in a footprint ideal for urban spaces.
Despite its small size, the generous glass panel and smart layout make it feel open and inviting.
A balanced, space-efficient sauna designed for up to four people. Jonas Classic outdoor sauna combines clean, modern aesthetics with a surprisingly open feel, thanks to its large glass panel and precise detailing. Ideal for those who value simplicity without compromising comfort. The entry door is fully customizable and can be installed on either side.
Generously sized and beautifully crafted, Jonas Grand is made for shared experiences.
Its spacious interior, striking design, and abundant natural light make it a standout feature in any space.
Designed with space and comfort in mind, this sauna offers a generous 4–6 person interior and a strong architectural presence in outdoor settings.
Clean lines, a precision-crafted wooden structure, and flexible configuration options make it a refined choice for everyday relaxation and long sauna sessions.
Designed with space and comfort in mind, this sauna offers a generous 8–10 person interior and a strong architectural presence in outdoor settings.
Clean lines, a precision-crafted wooden structure, and flexible configuration options make it a refined choice for everyday relaxation and long sauna sessions.
Our team is here to help you choose the right wellness solution for your home or project, and answer any questions you may have.
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