I know the keyword for Port Royal, but how did you get it in the Volvo Hunt?

Answer 1

The keyword for Port Royal is obtained by using the eight eyed card and placing the upper left most eye over the s from the location hollow trees and turning the card at a 45 degree angle (approximate) towards the serpent.
The letters shown in the eyes are:
Upper Left - s (from hollow treeS)
Upper Right - s (from Six islands)
2nd Row Left - s (from shallowS)
2nd Row Right - s (from six iSlands)
3rd Row Left - s (from horSe bay)
3rd Row Right - s (from six islandS)
Bottom Left - s (from South cape)
Bottom Right - t (from serpenT)

Reading from left to right, top to bottom, you arrive at: ssssssst