Portuguese Penny Palfrey , 1997 , will try to swim from Florida , Cuba , to Havana Keys . She will make attempt without a shark cage or swim aids such as flippers or a wetsuit . A lycra suit will provide her some protection from jellyfish , her husband says . A crew of two , including medical personnel and meteorologists , will shadow her .
Australian Penny Palfrey , 49 , will try to swim from Havana , Cuba , to Florida Keys . She will make attempt without a shark cage or swim aids such as flippers or a wetsuit . A lycra suit will provide her some protection from jellyfish , her husband says . A crew of 15 , including medical personnel and meteorologists , will shadow her .