On the island, there are five lanterns (street lamps). When one is turned on, others turn off. You have to click on the lanterns in order so that the 1st, 2nd and 4th lanterns (counting from the left) remain on.
The lanterns should be turned on in reverse order (right to left) : 4th, 2nd, 1st.
The map piece will appear in the draped archway near the 3rd lantern.
Skullduggery Island.
At Golden Harbor, you can turn the lanterns on 4th, 2nd then 1st. Or you can turn them on 2nd, 4th, then 1st. Turning on the 2nd or 4th will turn out the 1st if it is already lit.
golden harbor does
golden harbor
Golden HarborTo get the Treasure Map piece at Golden Harbor, you have to click on the street lamps (lanterns) so that the 1st, 2nd and 4th lanterns (counting from the left) remain on. The lanterns should be turned on from right to left : 4th, 2nd, 1st. The map piece will appear in the draped archway near the 3rd lantern.
The bank on Skullduggery Island is the Golden Harbor Bank, located in the Arabic-themed port at the lower right on the island map.
Use your raft to sail to Golden Harbor.
The archway is right to the right of the trading post in the golden harbor. You need to turn the lights on and off according to the combination.
You repay the loan (in full only) at the same place you borrow it. The loan officer is upstairs in the Golden Harbor Bank at Golden Harbor.
The loan officer grants and collects loans. She is on the second floor of the Golden Harbor Bank at Golden Harbor (all the way to the right side).
It is the sixth, small island that is foggy. It is the real "Skullduggery island". It is just southeast (down and right) from the Pirate Outpost, and directly west (left) of Golden Harbor. It will appear on the map formed when you collect all five map pieces. (see related question)
It's not really a harbour made out of gold but it's on the island skullduggery. Sail out of the main island into the island which is in the top left corner on the map. Hope this helped.