| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Port Ingleside | city | Texas | United States | 27.82 | -97.20 | 0 | |
| Port Inglis | city | Florida | United States | 28.99 | -82.76 | 0 | |
| Port Inland | city | Michigan | United States | 45.97 | -85.87 | 830 | |
| Port Isabel | city | Texas | United States | 26.07 | -97.21 | 3 | |
| Port Ivory | city | New York | United States | 40.64 | -74.18 | 9 |