According to Sokcho Coast Guard, a scuba diver discovered the 48-year-old victim, surnamed Choi, floating in the waters 1 kilometer northeast of Dongsan-myeon at approximately 10:30 a.m., Sunday.
Choi was reported last seen scuba diving near the discovery point on Saturday.
Marine authorities said they used one helicopter, two patrol vessels, a special rescue unit and seven scuba divers in searching for the victim.
By Catherine Chung (cec82@heraldcorp.com)