In Surf's Up 2: WaveMania, a group of penguins and other anthropomorphic animals embark on a thrilling surfing adventure. They face various challenges, including quicksand, thunderstorms, and encounters with other animals on an island. With their surfboards in hand, they ride the waves and showcase their skills. Along the way, they form new friendships and learn important life lessons.

A teenage penguin named Cody dreams of becoming a professional surfer. Against the will of his family, he leaves his home in Antarctica to compete in the Big Z Memorial Surf Off on Pen Gu Island. Along the way, he forms a friendship with a chicken named Chicken Joe and faces challenges from a rival surfer named Tank. With determination and perseverance, Cody learns important life lessons and ultimately finds success.