Thank you guys , yes HeLiOn_PrImE i'm aware of the rock thingy, but it is just hard to find a land mass that can cover up all these holes and not create other
Adri1 created a map mover. It allows you to move and handle multiple objects at the same time.
You could try that to gather complete pieces of map that don't require patching.
It's what I used to create my island (check the signature).