Mobissimo

Leave it to the Swedes to figure this one out, a sauna, on a boat, and very fast.  Read more here.

Salt & Sill's owners, Susanna and Patrick Hermansson's, ideas about a hotel were born in 2004. The dream was to start a business offering a complete experience within food, drink and accommodation, built around the peaceful island of Klädesholmen. A hotel with meeting and conference facilities, which opens up brand new possibilities - all year round, became the answer to their dreams. And the limited space on Klädesholmen meant there was only one way to realise it - they had to build a floating hotel.