Teenaged Isobel "Belly" Conklin, whose life revolves around spending the summer at her mother's best friend's beach house, reflects on the tragic events of the past year that changed her life forever.

At the beach, Pinkalicious and her brother help a tiny mermaid, a merminnie, to go back home.

"Vivi helps her community clean up the beach after a storm and learns about how wind and water shape the landscape"--

"The Aldens visit the shore in New Jersey and help out at an amusement pier that is rumored to be unsafe"--

"Seventeen-year-old Gemma's favorite kind of beach is an empty one. Social interactions are too much for her to handle. She always says the wrong thing--if she manages to say anything at all. She can't even bring herself to speak to her longtime crush, Beau Booker, without losing sleep over her own awkwardness. During a solo outing to her favorite beach, Gemma realizes--to her horror--that the popular kids from school have shown up to throw a party....