Surprise woman dies while diving in Fla. Keys

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ISLAMORADA, Fla. (AP) -- An Arizona woman died while diving off Islamorada in the Florida Keys.

Authorities say 51-year-old Aviva Diodato of Surprise, Ariz., and her husband were diving with a group Thursday.

During the first dive of the day when Diodato indicated she wanted to return to the surface. The instructor helped her and then returned to the group.

She made it to the stern of the dive boat and was removing dive gear when she began drifting away. Crew members couldn't reach her and signaled the divers to come to the surface. Once all divers were on board, the boat went after her.

She was found about 20 minutes later floating on the surface and not breathing. She was given CPR and brought to shore where paramedics pronounced her dead.

An autopsy will be done.