Originally posted by blankitosonic:

It gets bored after a while , pretty empty if u have to do a long journey

The devs definitely need to do more things with the ocean and boats. I think it's in one of their future major updates. https://www.pcgamesn.com/valheim/updates-roadmap

Of course, I am aware that IronGate changed how some things have been implemented, but the road map still gives a pretty good idea what's to come.