Islands swim out of the map

[Bananas]

Jump down from the wall on Nod side to here:

You can then swim out like this:

As long as you don't swim over the tunnels you can eventually swim to even here:

[Afevis]

stahp

[Terekhov]

You can do it with GDI too, but I was unable to land.

[epicelite]

One time I accidentally purchased a engi replacing me fucking ravishaw and it tossed me into the middle of the ocean, about where the beginning game camera is. I went and checked out some of the tropical islands.