Trivia: The real Bethany Hamilton has a cameo appearance in the scene in Thailand when Bethany and Sarah are handing out food. She is holding a box of supplies and wearing a hat, walking across the screen at the beginning of the scene.
Trivia: The real Bethany Hamilton did all the one-armed surfing stunts for AnnaSophia Robb. Robb's head was digitally placed onto Hamilton's body for the close-up shots.