3Good Night Ocean explores whales, fish, crabs, eels, octopus, penguins, walruses, swordfish, seals, and sharks, battleships and submarines, beaches, islands, reefs, harbors, bays, icebergs, the Coast Guard, fishing boats, and more. An educational and enriching book set in diverse environments of the world's oceans, this delightful book fosters an appreciation for the beauty and diversity of the marine world.

This book is part of the bestselling Good Night Our World series, which includes hundreds of titles exploring iconic locations and exciting themes.