From the "man fixing car".
From the radio man.
Go south from the tunnel leading to the south part of the Island.
Near the farm at the south part of the Island.
The Hidden Card
Start at your house. Keep going left til you
pass the clubhouse. Then go up until you get to
a house. Then go where the door is, then down
and right into the garden. Then go behind the
house and you will find the hidden trading card.
Go to Darren's house and in his backyard you will find the Hospital page then go to the
Hospital's mailbox. When you get there the patient will give you a ticket to Castle Island. Go to the Ferry Peir and a ferry will take you to Castle Island.
If you don't have a skateboard go left from your house to the intersection. Then go down across the road then keep going down. When you get to the corner go right. once you have gon a bit the Brickster will give you a skateboard.