Latitudes and Longitudes
| Seaport Name | Seaport Code | Country | Latitude | Longitude |
|---|---|---|---|---|
| Smiths Bluff | USBMT | United States of America | 30°00'N | 93°59'W |
| Woodbridge | USWBG | United States of America | 42°32'N | 69°59'W |
| El Capitan | USELC | United States of America | 32°55'N | 118°25'W |
| Everett (Usa-Ma) | USEVT | United States of America | 42°21'N | 71°05'W |
| Savannah | USSAV | United States of America | 32°02'N | 81°07'W |
| Sabine | USSAB | United States of America | 29°43'N | 93°52'W |
| Waddington | USWAD | United States of America | 44°51'N | 75°12'W |
| Antioch | USATI | United States of America | 38°01'N | 121°49'W |
| Bourne | USBOR | United States of America | 41°50'N | 66°14'W |
| Tampa | USTPA | United States of America | 27°57'N | 82°28'W |
| Port Neches | USPTN | United States of America | 30°00'N | 93°57'W |
| Saugerties | USSUG | United States of America | 42°06'N | 73°54'W |
| Whittier | CAWHT | United States of America | 60°47'N | 148°40'W |
| Boston | USBOS | United States of America | 42°21'N | 71°05'W |
| Port Tampa | USPTA | United States of America | 27°52'N | 82°28'W |
| Port Isabel | USPIS | United States of America | 26°05'N | 97°13'W |
| Riverhead | USRID | United States of America | 40°59'N | 72°39'W |
| West Foreland | USWFO | United States of America | 60°43'N | 151°44'W |
| Baltimore | USBAL | United States of America | 39°17'N | 76°35'W |
| Port St. Joe | USPSJ | United States of America | 29°49'N | 85°19'W |