Nope they are passable. I tried to copy it from the Route 3 example in base essentials but i'm not sure if its still the same since on Route 3 its still water and I have the auto tiles.
So I have an NPC that stops the player from going into grass before they get their starter. I have a few other NPC's that stop the player from progressing as well, but only the one that is stopping from getting into the grass is showing the Money Box. I'll post the code as well as what I mean by...
So i'm making a river that I want to be surfable and fishable. I'm using the default tile set with essentials v20 and am putting a ledge on the bottom of the river so it looks normal. But when I got to fish or surf from the bottom, it doesn't let me. I'll attach the tiles i'm using as the bottom...