The Secret of Mermaid Island

Five years ago, Nick lost his brother, Josh, to the sea. But he never forgot him. Suddenly, a sandcastle-building, sand-spitting crab appears in Nick's life and takes him on a wondrous journey to a hidden island with beautiful creatures and the chance to get his family all together again. the crab share a secret with Nick, and tells him to never give up on what you want. He also shows him The Secret of Mermaid Island!