I live by the sea, and I don't know anyone who can't swim (who lives by me).
There was a kid in school who couldn't swim and he got picked on for it, it's really strange around here.
I live in the sea, I love water and messing about in waves. I can swim fine.
I'm also a lifeguard but you don't really need to be able to swim well to lifeguard pools, I need to get a beach LG qualification.
Don't remember learning, I remember almost drowning a few times as a kid but it wasn't because I couldn't swim.