To trade and sell on island on skullduggery island you first must be on one of the 5 islands and walk around you should see a post that says " TRADING POST"
Fort Ridley is the first place you go on Skullduggery Island. Its impossible to miss it.
The on e you're on of course dumb***
It's your choice
There was no solution to the Sneak Peek -- it just showed the first part of the island.
first off: learn how to spell! the easiest island is astro knight and skullduggery the hardest island island is early poptropica
On top of the barrels inbetween the first house and the trading post.
First go to skullduggery island,take your ship to a island called Keys World island and you will find the key of the chest on counterfeit island!;)
Well first of all when you go to skullduggery island there is a map but it was broken up at each island. All you have to do is complete a small task on Fort Ridley (where you began you quest) and then you will have a small/weak boat. You sail North-West from Fort Ridley.
You have to go to see the person,when you first get there the closest person ,beat it already!
When you reach Parrot Port, you will see Polly in front of the first building/house, on a barrel.
Once you have all five pieces of the Treasure Map, the 6th island, Skullduggery, appears on the map. When you acquire a powerful ship, and scare off Captain Crawfish, the Governor will give you the Treasure location and a bone shovel to dig it up. (see related question)