Here is the full list of all 7 Port of Call achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Choose to go with the Waiting Woman
Choose to go with the Ferryman
Collect all 4 of the passenger's tickets in one playthrough.
Inspect all 6 paintings on the ship in one playthrough.
Pick up all 6 crayons on the ship in one playthrough.
Mix the wrong drink for the Drunkard.
Board the Ferryman's ship.