| Answer | Crossword Clue |
|---|---|
| SOUND | Island-mainland separator |
| RHODE | Mainland "Island" |
| CAY | Island off the mainland |
| TOMBOLOS | Island-to-mainland sandbars |
| RHODE | "Island" on the mainland |
| LORNE | Scottish firth forming channel between Mull Island and mainland. |
| ATTU | Alaskan island closer to Russia than to the Alaskan mainland |
| EUBOEA | Greek island believed to have been separated from the mainland by an earthquake |
