The Marinbastun Wilma is one of our ”large” size models. This one is designed with a mono-pitch roof, classic corner joints, and surrounds around the windows. This type of design makes the Wilma a popular model that complements many types of houses. The sauna building, like the Frank and Alice, is 11.2 sqm.

Data and Metrics

Overall external dimensions of superstructure: 4000 x 2800 mm (11.2 sqm)
Internal dimensions: 3900 x 2700 mm
• Above waterline (height): approx. 2800–2950 mm excl. chimney
• Measures the vessel: 4100*8000 mm (32.8 m²)
• Weight: Ca 3400 kg
Gross carrying capacity approx. 6900 kg
In-depth approx. 25 cm excl. engine


See more pictures of Marinbastun Wilma here

Marinbastun Wilma is one of our ”large” sized models. This one is designed with a single-pitch roof, classic corner joints and surrounds for the windows. This type of design makes Wilma a popular model that suits many types of houses. The sauna building, like Frank or Alice at 11.2 sq m.

The area is made up of changing rooms or a relaxation area on one half, and the sauna room on the other half. Groups of around 8-10 people can enjoy wonderful times in this outdoor sauna. Do you often find yourselves with many people in the sauna? Then perhaps Wilma XL can be a good alternative.

Outdoor sauna with large windows

In this marine sauna, we use the same large windows as in many of our other models. Many people appreciate having a large, fine pane in the sauna to enjoy their garden or the view. These sauna windows consist of double-glazed windows with a toughened inner pane to withstand the heat in the sauna.
If you want to read more about the different materials and components in our sauna buildings, please visit this page: product info.

Ready-made marine saunas

We've noticed that many who have considered buying a construction kit or thought about building a sauna raft themselves have had second thoughts once they understood how much there actually is to consider in the construction. Have you thought about building a sauna raft yourself but are now more keen on getting a factory-built ready-made solution? Don't hesitate to Contact us Then we will help you with a cost estimate.