| Official Name: | Islandahoe |
| Irish Name: | Oileán Dá Eo |
| Country: | Northern Ireland |
| Postcode Area: | BT |
| Postcode District: | BT53 |
| Dial Code: | 028 |
| Hide Services: | yes |
Islandahoe [1] is a townland of 250 acres in County Antrim, Northern Ireland. It is situated in the civil parish of Derrykeighan and historic barony of Dunluce Lower.[2]