Manly is a beach-side suburb of northern Sydney, in the state of New South Wales, Australia. It is 17 kilometres north-east of the Sydney central business district and is currently one of the three administrative centres of the local government area of Northern Beaches Council. Manly has a long-standing reputation as a tourist destination, owing to its attractive sett…Manly is a beach-side suburb of northern Sydney, in the state of New South Wales, Australia. It is 17 kilometres north-east of the Sydney central business district and is currently one of the three administrative centres of the local government area of Northern Beaches Council. Manly has a long-standing reputation as a tourist destination, owing to its attractive setting on the Pacific Ocean and easy accessibility by ferry.