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.
Safe this round: no port can flag it.
| 1 | Croata | Great Britain | shallow | Production | — | — | 202 |
| 2 | Little Cayman | Neutral | deep | Production | — | — | 205 |
| 3 | Barcos | España | shallow | Production | — | — | 222 |
| 4 | Sandy Bay | Kingdom of Prussia | deep | Production | — | — | 244 |
| 5 | Batabanó | España | deep | Production | — | — | 273 |
| 6 | Sancti Spíritus | Neutral | deep | Production | — | — | 283 |
| 7 | Baja | España | deep | Production | — | — | 308 |
| 8 | Bugle Cay | Neutral | shallow | Production | — | — | 318 |
| 9 | Carlisle | Great Britain | deep | Production | — | — | 319 |
| 10 | Saint Ann | Great Britain | deep | Production | — | — | 323 |
| 11 | Belize | Great Britain | deep | Production | — | — | 324 |
| 12 | Salamanca | Great Britain | deep | Production | — | — | 339 |
| 13 | Placentia | Great Britain | deep | Production | — | — | 340 |
| 14 | Omoa | Great Britain | deep | Production | — | — | 346 |
| 15 | Manzanillo | Great Britain | deep | Production | — | — | 357 |
| 16 | San Andrés | Neutral | deep | Production | — | — | 363 |
| 17 | Bluefields | Sverige | deep | Production | — | — | 400 |
| 18 | Santiago de Cuba | Great Britain | deep | Production | — | — | 415 |
| 19 | Sisal | Russian Empire | deep | Production | — | — | 460 |
| 20 | Matina | Sverige | deep | Production | — | — | 498 |
| 21 | Cayo Vacas | United States | shallow | Production | — | — | 502 |
| 22 | Carahatas | España | shallow | Production | — | — | 526 |
| 23 | Les Cayes | Verenigde Provinciën | deep | Production | — | — | 531 |
| 24 | Islamorada | United States | deep | Production | — | — | 532 |
| 25 | Saint-Nicolas | Sverige | deep | Production | — | — | 548 |
| 26 | Arcas | Russian Empire | shallow | Production | — | — | 569 |
| 27 | Sarazota | United States | deep | Production | — | — | 576 |
| 28 | Les Gonaïves | Sverige | deep | Production | — | — | 584 |
| 29 | Cayo Biscayno | United States | deep | Production | — | — | 588 |
| 30 | Ocean Bight | Pirates | deep | Production | — | — | 598 |