In this Feb. 12, 2013 photo, a visitor and her daughter wade 

In this Feb. 12, 2013 photo, a visitor and her daughter wade in the waters of Anne's Beach near Islamorada, Fla.  The Florida Keys, spanning over 100 miles connected by bridges and causeways, offer plenty of activities at no cost. (AP Photo/J Pat Carter)
Associated Press
In this Feb. 12, 2013 photo, a visitor and her daughter wade in the waters of Anne's Beach near Islamorada, Fla. The Florida Keys, spanning over 100 miles connected by bridges and causeways, offer plenty of activities at no cost. (AP Photo/J Pat Carter)
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