Two snorkelers are dead in separate incidents off the Florida Keys.
The Monroe County Sheriff's Office said Saturday that a Texas man died a day earlier off the Dry Tortugas. He had been pulled from the water by two men who performed CPR on him.
An autopsy will be done to determine his cause of death.
The sheriff's office said separately, on Thursday, a Pennsylvania woman was snorkeling off of Marathon when she began coughing up blood.
The Coast Guard transported her to shore, but she was pronounced dead at a hospital.
She was on numerous medications and had a pacemaker, but an autopsy will be done to determine her cause of death.