"Sail to Salt Key" (talk to the local officer) is a mission objective in Sequence 3 / Memory 04: Raise the Black Flag
Walkthrough[edit]
After attacking ships to gather metal cargo, your Wanted Level is high and you need take care of that
Sail to Salt Key Bank at coordinates (495,634) and talk to the Local Officer there. Bribe him to remove the bounty placed on the Jackdaw