@Oinoid You could add a bit more trees, in patches, and maybe a bit larger in size, but not really sure about that. And some patches of rubble and desert bushes here-and-there from the general ruins and foliage libraries. Not too much though, since a desert is a desert, but it's good if a player can always see something other than the plain ground textures.
The island looks good as it is from afar, but imagining myself on it with character, it's just a little bit too barren I think.

@Gahen I'm glad to hear that :D and yeah I did kind of rush the surface, and I'm not really sure what else to put on it. If you've got any suggestions on what else I could put, I'd love to hear it :D

Those barbed wire figurines are just awesome. The surface of the island I think could take a bit more detail though.