Bay With Port - Gunnamatta Bay With Yachts On The Small Port And Old Big Tree. Cronulla, Sydney Gunnamatta Bay Is A Small Bay In Southern Sydney, New South Wales, Australia. Gunnamatta Bay Is Located Off The Port Hacking Estuary, In The Sutherland Shire. The Foreshore Is A Natural Boundary For The Suburbs Of Cronulla To The East, Woolooware To The North And Burraneer To The West. Photo