Maryland Natural Resources Police recovered the body of a 56-year-old Pennsylvania man near Hart-Miller Island.
Police said the man drowned after jumping into the Chesapeake Bay to free his boat anchor Wednesday night.
Recovery teams suspended the search for the victim around 8:30 p.m. Wednesday after the boater went missing shortly after 6 p.m. The search resumed Thursday morning.
Baltimore County public safety officials tweeted saying their police and firefighters assisted in the search along with the U.S. Coast Guard, and that NRP will lead the investigation.
Additional details including the man's name were not released.
ABC2 News contributed to this report.