| Idaville, Sharman | — | 5 |
| Inchafune, Dunmanway | — | 7 |
| Inchvale Avenue, Shamrock Lawn | €415,000 | 8 |
| Inchvale Close, Shamrock Lawn | — | 6 |
| Inchvale Drive, Shamrock Lawn | €312,500 | 7 |
| Inchvale Park, Shamrock Lawn | — | 8 |
| Inchwell Road, Kanturk | — | 8 |
| Inchydoney, Clonakilty | — | 10 |
| Inchydoney Island, Clonakilty | — | 11 |
| Industry Place, Barrack St | — | 6 |
| Inis Alainn, Bandon | — | 9 |
| Inis Alainn, Carrignafoy | — | 14 |
| Inis Alainn, Curraclough | €312,000 | 30 |
| Inis Alainn, Curryclough | — | 13 |
| Inis Orga, Bandon | — | 5 |
| Inis Orga, curraclough | — | 9 |
| Inis Orga, Curriclogh | — | 5 |
| Inis Orga, Curryclogh | — | 6 |
| Inis Orga, Curryclough | €292,500 | 33 |
| Inis Sioda, Scartagh | — | 5 |
| Inishmore Park, Cobh | — | 9 |
| Inniscarra Road, Fairhill | — | 12 |
| Innishannon Rd, Fair Hill | — | 5 |
| Innishannon Road, Fairhill | — | 8 |
| Innishmore Court, Ballincollig | — | 6 |
| Innishmore Park, Cobh | — | 6 |
| Iona Hall, Glasheen Rd | — | 5 |
| Iona Hall, Wilton | — | 8 |
| Iona Place, Mayfield | €250,000 | 8 |
| Island Cross, Little Island | — | 6 |
| Island House, Morrisons Quay | — | 8 |
| Island Road, Newmarket | — | 6 |
| Island Way, Muskerry Estate | — | 7 |
| Ivy Circle, Muskerry Estate | — | 5 |
| Ivy Court, Broomfield | €220,000 | 13 |
| Ivy Court, Broomfield Village | €220,000 | 8 |
| Ivy Crescent, Riverway | — | 7 |
| Ivy Grove, Broomfield | — | 5 |
| The Inlet, Harpers Creek | €324,229 | 9 |
| The Island, Inchydoney | — | 5 |