KEY WEST, Fla. -

A 68-year-old Marathon woman was killed early Sunday when she lost control of her car and drove into the bay off U.S. 1 in Key West, according to the Florida Highway Patrol.

FHP identified the driver as Carol Albury.

Albury was headed south on U.S. near mile marker 6 when she lost control of her car, drove onto the west shoulder, and into the bay, said troopers.

It's unclear why she lost control of her vehicle.