Loma-hossa has many places to stay next to Hossa National Park, but definitely the most epic and adventurous place to stay is this cool private cabin on a lake!
To get there, you must row a rowing boat for few hundred meters on the lake, so you must be comfortable doing that! :D They might take you there if you really ask nicely though.
The cabin is a lovely Finnish cabin, not the most modern, but exactly what we Finns love.
minimum 3 night stay and only summers. It's very popular so you have to be early to get it!
Book from here:
https://loma-hossa.fi/majoitus/hossansaari/