Five Go Down To The Sea is the twelfth book in Enid Blyton's Famous Five series. The children take a holiday at a secluded cottage by the sea. They soon meet a boy who claims to have seen a person signaling from a deserted island offshore. The Five investigate, leading them to uncover a dangerous smuggling ring operating along the coastline. The adventure involves secret landings, hidden caves, and the mystery of the lonely cottage.
