Shark Island Swim Challenge
The Cronulla Shark Island Swim Challenge is an annual event of , held at Cronulla Beach in Sydney, Australia. History. The first Cronulla Shark Island Swim Challenge was held in October 1987. There was a medium swell and the water was choppy. There were only sixty-four competitors. The swim was , from the beach shoreline out around Cronulla Point, around Shark Island and back to the beach. Long-distance swimmer David O'Brien was the inaugural winner.