Frustrated's suggestion to go around and approach my base from the opposite side seemed to work. I made it back to base at least. It still got hung a lot but never quite crashed, so that's progress.
I've played Subnautica now for about 8 hours with minimal crashes and bugs until now.
The problem starts after visiting the Mountain Island. When I depart the island in my Seamoth (heading back to my base in the shallows by mylifepod) I …