Tingle Island
Tingle Island is a Tingle-shaped island located at C-3 that contains Tingle, an Overworld Check, a Blue Chuchu, a Big Octo, and sunken treasure.
Tingle
Main page: Tingle
Tingle will be available at this island once he is released from the jailcell at Windfall Island. He is needed to decipher the Triforce Charts before they can be used to gather their sunken treasure. Each chart costs 398 rupees.
Overworld Check
Once the player has collected all 5 Tingle Statues, they can take them to Ankle to trade for an Overworld Check. In the vanilla game, the player only receives rupees.
Big Octo
The 12-eyed Big Octo is located near the island, and gives a Piece of Heart in the vanilla game.
Sunken Treasure
The treasure can be found by opening Treasure Chart 10 and contains a Silver Rupee (200) in the vanilla game.