 Patonga is a small and semi-isolated riverside community occupying a one kilometre long sandy spit projecting from the rocky and elevated headland of the Brisbane Water National Park to the north.The spit, at the mouth of the estuarine Patonga Creek which feeds into the Hawkesbury River at Broken Bay, forms a beach frontage onto Brisk Bay to the east and a sandy foreshore on the creek to the west.Patonga can be accessed by road along Patonga Drive from Umina to the north, by ferry from Palm Beach and Brooklyn, or by private watercraft.