Maryland Natural Resources Police were dispatched Saturday for a water rescue at Cove Point Light Station in Calvert County. Two persons were in the water conscious and afloat and a third swimmer, a 54 year-old white male was unaccounted for.
Maryland State Troopers, marine vessels and divers were requested and a search began for the third swimmer.
The third swimmer was eventually located but had succumbed to his injuries.
Calvert County Sheriff's Office is investigating.