Dauphin Island Pkwy Dauphin Island is located at 30.311979, -88.138206 geo coordinates. Dauphin Island Pkwy, Dauphin Island, AL 36523 is located in Alabama, Dauphin Island, Coden, United States Of America. Postal code is: 36523
| Latitude | Longitude |
|---|---|
| 30.311979 | -88.138206 |
| DMS Latitude | DMS Longitude |
|---|---|
| 30° 18´ 43.1244'' N | 88° 8´ 17.5416'' W |