This report provides a critical review of Cockatoo Island, located in Sydney Harbour, examining its historical significance and evolution. The island's history as a convict penal establishment from 1839 to 1869 is detailed, followed by its transformation into an industrial school, and later, a naval hub. The report highlights the island's importance as a National and World Heritage site, emphasizing its preserved structures, artifacts, and cultural events. It discusses current uses, including tourism and cultural events, and future needs, such as re-establishing the maritime industry and introducing educational institutions to enrich visitor experiences. The report also includes a personal reflection on the author's excursion to the island, mentioning the enjoyment of historical sites and camping, and suggests improvements for future student visits. References to relevant sources are also included in this report.