Crossword clues for Islands off the mainland 4 letters:ATTUFurthest Aleutian island from the mainlandCAYSIslands off the mainlandATTUAlaskan island closer to Russia than to the Alaskan mainlandRHODEMainland "Island"SOUNDIsland-mainland separatorTOMBOLOSIsland-to-mainland sandbarsLORNEScottish firth forming channel between Mull Island and mainland.CAYIsland off the mainlandRHODEIsland on the mainlandEUBOEAGreek island believed to have been separated from the mainland by an earthquake