| Clue | Source | Date |
|---|---|---|
| Douglas's dependency (abbr.) | The Telegraph Cross Atlantic | 03 Sep 2025 |
| Ellan Vannin (1,1,1) | ||
| Isle of Man (abbr) (3) | ||
| Isle of Man, briefly (3) | ||
| Isle of Man, initially | ||
| Island (abbrev) - its longest river is Sulby (3) | ||
| Irish Sea Crown Dependency (1,1,1) | ||
| Irish Sea tourist center (abbr.) |