Explain the symbolic appearance of the island that look like a boat in Lord of the Flies?

The island in Lord of the Flies is shaped like a boat because in some ancient cultures they believe that boats represent civilization, as well as the journey to the world of the dead. "…for a moment they felt that the boat was moving steadily astern" (page 26) this island looks like it is moving backwards shows that civilization, and the kid's innocence are to.