I know you would not have a sauna in your bathroom... but you can get the feel from the photo of painted walls, some wood detail on the ceiling and wall and nice calm tile on the floor. bright and airy
Arvolistan saunatuotteet | Puuinfo
Sauna by Sunsauna - interiors decom
Funky Black Owl: 3. Kuopion Asuntomessut / Kuopio House Fair in Finland
Want. Sauna. In. My. Home.
Sauna in Helsinki
Passiivikivitalo Skaala - Kuraeteinen | Asuntomessut