A newly-hatched turtle makes the dangerous journey across a beach full of obstacles to the nearby sea.

Unaware of its eons-old history, a boy finds a rock and takes it home to a shelf beside his sea glass and starfish.

Women, men, boys, and girls spend a day at the beach enjoying a variety of activities on the sand and in the water.

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.

Whistler and Lila, two of the mice children who live in a lighthouse, meet a young octopus when they visit the beach during low tide.