Cuba to Fla. swim cut short Pictures Cuba to Fla. swim cut short Australian swimmer Chloe McCardel jumps into the water at Hemingway Marina to start her swim to Florida from Havana, Cuba, June 12, 2013. McCardel, 29, was bidding to become the first person to make the Straits of Florida crossing without the protection of a shark cage, but the attempt ended after 11 hours in the water when she was stung by a jellyfish Wednesday night. Read more: Australian abruptly ends Cuba to Fla. swim attempt Credit: Ramon Espinosa/AP