In July, 1916, Chet Roscow is fascinated by news accounts of the great white shark said to be attacking people along the New Jersey shore not far from his home, but when he goes swimming in Matawan Creek he discovers the truth of the stories.

The week of her tenth birthday, Alice and her parents go to Sanibel Island, Florida, just as they do every year, but this time some of the people who are always there are missing and some new people have come, which unsettles Alice, who wants things to be exactly the same as they always are.

Spending the summer after sixth grade at his great-uncle's oceanside museum, Thatcher and local girl Trudy team up to help Shoal, one of the people of Atlantis cursed by a witch whose head still survives, and who has an army of monstrous creatures helping her.

Geronimo tries to enjoy his seaside vacation even though his hotel is dilapidated.

When the Bear family goes to the seashore, they find a map which they hope will lead them to buried treasure.

"Camille loves the ocean, the warm sand, the pretty shells, and the sparkling waves that tickle her toes. Sometimes she even imagines that she's a mermaid with whales and dolphins for friends! When the other WellieWishers see how much Camille misses her summers by the sea, they want to help, but how can four girls turn a garden into an ocean?"--Publisher.

Accompanying the Pike family during a two-week vacation to the Jersey Shore, baby-sitter Stacey falls head over heels for a handsome lifeguard despite Mary Anne's warning that he is too old for her.