The 2 nearest ports a nation doesn't own plus each top nation's nearest port can be flagged from any owned port by the owner's nation (or any nation from free ports).
Last round's top nations:Verenigde ProvinciënUnited StatesSverige· Pulls over 440 km hidden (too far to sail before the flag times out).
No conquest missions in neutral ports.
| Penzacola | United States | 33 km | Nearest port |
| San José | United States | 57 km | Nearest port |
| Mobile | United States | 86 km | Nearest port |
| Biloxi | United States | 100 km | Nearest port |
| Nouvelle-Orléans | United States | 123 km | Nearest port |
| Saint-Malo | United States | 135 km | Nearest port |
| Barataria | United States | 175 km | Nearest port |
| Terrebonne | United States | 191 km | Nearest port |
| Atchafalaya | United States | 224 km | Nearest port |
| 1 | Apalachicola | Neutral | deep | Production | — | — | 105 |
| 2 | Mobile | United States | deep | Production | — | — | 107 |
| 3 | Sarazota | United States | deep | Production | — | — | 277 |
| 4 | Vermiou | United States | deep | Production | — | — | 321 |
| 5 | Cayo Vacas | United States | shallow | Production | — | — | 441 |
| 6 | Islamorada | United States | deep | Production | — | — | 457 |
| 7 | Baja | España | deep | Production | — | — | 469 |
| 8 | Cayo Biscayno | United States | deep | Production | — | — | 504 |
| 9 | Carahatas | España | shallow | Production | — | — | 549 |
| 10 | Aransas | France | deep | Production | — | — | 555 |
| 11 | Morgan's Bluff | United States | shallow | Production | — | — | 585 |
| 12 | West End | United States | shallow | Production | — | — | 589 |
| 13 | Sisal | Russian Empire | deep | Production | — | — | 604 |
| 14 | Kemp's Bay | Sverige | shallow | Production | — | — | 605 |
| 15 | Barcos | España | shallow | Production | — | — | 630 |
| 16 | Batabanó | España | deep | Production | — | — | 666 |
| 17 | Governor's Harbour | Sverige | shallow | Production | — | — | 685 |
| 18 | Marsh Harbour | United States | shallow | Production | — | — | 688 |
| 19 | Arcas | Russian Empire | shallow | Production | — | — | 689 |
| 20 | Soto La Marina | Russian Empire | deep | Production | — | — | 693 |
| 21 | La Guanaja | España | shallow | Production | — | — | 711 |
| 22 | Salamanca | Great Britain | deep | Production | — | — | 744 |
| 23 | Deadman's Cay | Neutral | shallow | Production | — | — | 760 |
| 24 | San Agustín | United States | deep | Player contracts | 500 | 3,842 | 773 |
| 25 | San Mateo | United States | deep | Production | — | — | 795 |
| 26 | Sancti Spíritus | Neutral | deep | Production | — | — | 809 |
| 27 | Little Cayman | Neutral | deep | Production | — | — | 811 |
| 28 | Belize | Great Britain | deep | Production | — | — | 814 |
| 29 | Puerto de Nipe | Pirates | deep | Production | — | — | 827 |
| 30 | Santa Ana | Russian Empire | deep | Production | — | — | 837 |