Nothing until the very end of the game. Once you have all five pieces of the map, put them together to reveal the 6th island ("little Skullduggery"). You can go there but there is nothing to do.
After you chase off Captain Crawfish in battle, the Governor at Fort Ridley will give you the location card for the Buried Treasure, and a bone shovel to dig with. Sail to Skullduggery and dig up the treasure.
Collect the five map pieces (one on each of the trading islands) and join them to see the sixth island, Skullduggery. Once it appears on the map, you can actually go there, but nothing happens there until the end of the game. (see the related question)
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)
skullduggery island!
The bank on Skullduggery Island is the Golden Harbor Bank, located in the Arabic-themed port at the lower right on the island map.
There is a dock at the bottom side of the small island, Skullduggery. The island appears when you have collected all 5 of the pieces of the Treasure Map.
Fort Ridley is the first place you go on Skullduggery Island. Its impossible to miss it.
Bouffant Bay is located northeast of Fort Ridley on Skullduggery island Poptropica.com
parrot port.
Yes, there are several people in the Skullduggery Island on Poptropica. On of which is a deck hand. you can find him on the top left island.
it the island on the upper right corner
The on e you're on of course dumb***
The 13th island of Poptropica was Skullduggery Island, released on June 17, 2010.