The Desert Island is located near the center of the map and can be identified by the large amount of sand covering the Island. There was also a mine with 2 iron nodes inside of it and a lake to put fishing nets up, but they were removed and the island was changed in the Antmen update.
Where to find:
Near the center of the map. (Look for sandy hills and Mammoths)
What is there to find:
On the Desert Island there are many things to find such as:
Note: This is a very good area to build because it have a lot of resources and flat spaces.