The St. Augustine Record reports the woman called 9-1-1 Sunday night after she was unable to get out of her car. She told dispatchers it was starting to fill up with water.
When rescue workers found the partially submerged car, the woman was unresponsive. They performed CPR and other lifesaving measures and the woman’s pulse returned.
She was taken to a Jacksonville Beach hospital where she was pronounced dead.
Authorities are investigating.
No further details were immediately available.