The Sunshine Isles is found in a painting in Princess Peach's room. Enter the one-star door on the upper-right area inside the castle and go past the doors for Mario, Luigi and … See more

Go to the room where you pick your character and you can jump through the painting of Princess Peach on the right. You'll enter a room with her secret slide, and the op… See more

From the main castle foyer, turn right and enter the doorway that leads to the Jolly Roger Bay course. To the right you can just barely see a small alcove. Backflip up into the alcove t… See more

Enter area as Mario and slide down the ramp at the beginning and follow the narrow path to your right. Once the narrow path opens up to a slightly wider platform, turn right a… See more