[quote=Strudel]
I think Hoofington is on the coast ^^;They managed to take the Seahorse from Hoofington to Manehatten.
[/quote]

I've always imagined Hoofington to be on the opposite side of the country since they talk about how long it'd take to walk home from Tenpony to the wasteland. And I don't remember the Seahorse being mentioned as having traveled to Manehatten.

And Hoofington itself isn't on the coast. It's on a river that leads to the coast. But it isn't on the ocean.

A difficulty that comes with mapping Fallout Equestria I find though is that more often its description conflicts with the map of Equestria, so there's no real sure-fire way I think of figuring out where everything is. Or scale becomes really wonky.