Manly is about a twenty-minute ferryboat ride from the Circular Quay in Sydney.It is located on the penisula that forms the north side of the entrance to Sydney Harbour. The harbor entrance is on the Australian Pacific coast north of Sydney. From the entrance between north head and south head, the main harbor opens to the south and then turns west to Sydney. North Head over looks into Sydney Harbour and is apart of Sydney Harbour National Park.