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.
| San José | United States | 75 km | Nearest port |
| Penzacola | United States | 144 km | Nearest port |
| Mobile | United States | 192 km | Nearest port |
| Biloxi | United States | 206 km | Nearest port |
| Nouvelle-Orléans | United States | 212 km | Nearest port |
| Saint-Malo | United States | 240 km | Nearest port |
| 1 | Apalachicola | Neutral | deep | Production | — | — | 49 |
| 2 | Sarazota | United States | deep | Production | — | — | 187 |
| 3 | Mobile | United States | deep | Production | — | — | 240 |
| 4 | Cayo Vacas | United States | shallow | Production | — | — | 359 |
| 5 | Islamorada | United States | deep | Production | — | — | 372 |
| 6 | Cayo Biscayno | United States | deep | Production | — | — | 419 |
| 7 | Vermiou | United States | deep | Production | — | — | 429 |
| 8 | Baja | España | deep | Production | — | — | 434 |
| 9 | Carahatas | España | shallow | Production | — | — | 469 |
| 10 | Morgan's Bluff | United States | shallow | Production | — | — | 500 |
| 11 | West End | United States | shallow | Production | — | — | 505 |
| 12 | Kemp's Bay | Sverige | shallow | Production | — | — | 520 |
| 13 | Governor's Harbour | Sverige | shallow | Production | — | — | 600 |
| 14 | Marsh Harbour | United States | shallow | Production | — | — | 604 |
| 15 | Barcos | España | shallow | Production | — | — | 609 |
| 16 | La Guanaja | España | shallow | Production | — | — | 626 |
| 17 | Sisal | Russian Empire | deep | Production | — | — | 643 |
| 18 | Batabanó | España | deep | Production | — | — | 645 |
| 19 | Aransas | France | deep | Production | — | — | 662 |
| 20 | Deadman's Cay | Neutral | shallow | Production | — | — | 675 |
| 21 | San Agustín | United States | deep | Player contracts | 500 | 3,842 | 688 |
| 22 | San Mateo | United States | deep | Production | — | — | 710 |
| 23 | Arcas | Russian Empire | shallow | Production | — | — | 738 |
| 24 | Puerto de Nipe | Pirates | deep | Production | — | — | 742 |
| 25 | Salamanca | Great Britain | deep | Production | — | — | 751 |
| 26 | Salina Point | Pirates | shallow | Production | — | — | 756 |
| 27 | Soto La Marina | Russian Empire | deep | Production | — | — | 784 |
| 28 | Sancti Spíritus | Neutral | deep | Production | — | — | 789 |
| 29 | Little Cayman | Neutral | deep | Production | — | — | 790 |
| 30 | Savannah | United States | deep | Production | — | — | 807 |