Cockatoo Island, located in Sydney Harbour, Australia, is a UNESCO World Heritage Site known for its rich history. Originally used as a penal establishment for convicts between 1839 and 1869, the island later became a major shipyard from 1857 to 1991. Today, it's a popular cultural venue with events, art installations, and camping opportunities, attracting visitors to explore its historic buildings and scenic views of the harbor. With a mix of past and present activities, Cockatoo Island offers a unique blend of heritage and entertainment for all to enjoy.