The next day go to the other side of the island. You will see Riku. You race him for the ships name and- sharing the fruit with Kairi. The quickest way to the star, I have found is, fall from the brocken wood, climb up the stairs, go down the other side (forget the ladder) run up the slope and carefully jump from platform to platform until you reach the star. Make sure the star lights up and fall from the platform. Make your way back the same way. (If you loose, Riku won't share the Paupu fruit with Kairi so don't worry!)
You also have to find food. After you race Riku talk to Kairi. If you can't find everything talk to her again.
Then after finding everything there is a short movie and sora is outside. There are shadow heartless everywhere! Don't try to fight them, you will die. Instead, find Riku he is at the end of the pier. Then you will get the keyblade. Then it is best to save in the seaside shack.Then head to the secret place. There will be a door. Proceed through the tunnel to the end. You will then fight a darkside.
