The young thief Promi and the forest girl Atlanta battle evil and in the process bring about the creation of Atlantis.

In claiming as his own the magnificent black pearl he finds, a sixteen-year-old youth enrages the sea devil who legend says is its owner. A sixteen-year-old boy relates his discovery of the Pearl of Heaven and his near-fatal encounter with the feared sea monster, Manta Diablo.

See what happens when a shark is spotted in Sparkling City.

Wayne is searching for buried treasure sunk with a Spanish galleon off the Florida coast when a storm arises and his dolphin friend comes to his rescue.

Traveling home by cruise ship should be a relaxing break after Emily's latest adventure, but things take a turn when the ship is overtaken by a pirate king and his crew. After the pirates collect everyone's riches, they steal something even more valuable: Aaron. The pirate king's eldest son takes Aaron captive, forcing him to help guide the pirates to the mythical Trident's Treasure. So Emily dives into action and joins the younger son's crew in hopes...

Gone to Drift tells the story of a 12-year-old Jamaican boy, Lloyd, and his search for his beloved grandfather, Maas Conrad, a fisherman who is lost at sea. Lloyd suspects that his grandfather has witnessed an illegal capture of dolphins for the tourist trade and that he has come to harm. Interspersed with Lloyd's quest on land and sea is a second voice - of Maas Conrad himself, who, unknown to Lloyd is alive; marooned on a rock, he describes his...

While visiting a friend of their grandfather's on Sullivan's Island, off the coast of South Carolina near Charleston, the Boxcar Children encounter mysterious activities related to rumors of a buried pirate treasure.

When Paulina, one of the Thea Sisters, finds a strange blue-skinned boy unconscious on the beach, the sisters set out to solve the mystery of who the boy is and where he comes from--and how to return him to his home.

Spending the summer after seventh 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.

"Following a tragedy that further alters the course of her life, twelve-year-old Lucy Everhart decides to continue the shark research her marine biologist mother left unfinished when she died years earlier"--