| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ihatub | city | Marinduque | Philippines | 13.43 | 121.83 | 104 | 21671 |
| Ijatub | city | Marinduque | Philippines | 13.43 | 121.83 | 104 | 21671 |
| Ilag | city | Marinduque | Philippines | 13.43 | 121.00 | 150 | 4448 |
| Ino | city | Marinduque | Philippines | 13.51 | 121.86 | 203 | 28016 |
| Ipil | city | Marinduque | Philippines | 13.51 | 121.98 | 226 | 19198 |
| Isok | city | Marinduque | Philippines | 13.44 | 121.84 | 203 | 24572 |