Castaway Island is a piece of land that castaways Uniqua, Pablo, Tyrone, and Austin washed up on.
Looks
Castaway Island is located in the middle of an obscure body of water. It has a small forest of coconut trees in its center and is covered in white sand. Palm trees and vines are the only types of vegetation on the island.
Appearances
The island has appeared in one episode of The Backyardigans: "Castaways" from season one.