According to the search results, the island that comes after the Desert in Blox Fruits is not explicitly mentioned. However, the search results provide a list of islands and their level requirements, which can be helpful in determining the order of the islands. The Desert is an island in the First Sea for players from levels 60-90. The islands that come after the Desert in the First Sea are Middle Island, Magma Village, and Jungle. The Second Sea has several islands, including Cave Island, Indra Island, and Usoapps Island. The Third Sea has Castle on the Sea and Mirage Island, among others.