"The Coral Island: A Tale of the Pacific Ocean" is an adventure novel by R.M. Ballantyne. It follows the story of three boys – Ralph, Jack, and Peterkin – who are stranded on a tropical island after a shipwreck. Using their wit and bravery, they survive by hunting, building shelter, and exploring the island. Their peaceful existence is disrupted when they encounter pirates and hostile natives. The book depicts their struggle for survival, their attempts to escape, and their ultimate rescue.