Waratah Bay sits on the eastern extent of Cowan Waters east of Berowra. The bay is home to a rusting metal boat hull, this boat marks the spot where the Edward Windybank and his family once worked and lived. Edward Windybank worked on the construction nearby railway line from 1886 to 87. Windybank also named the bay and acquired a life-long lease to use it. It seems that he built a small home, boat shed and a narrow road up the hill. Windybank operate a boat building a hire business on site