A boat trip in the US turned tragic after 19-year-old Marly Kinney mysteriously disappeared, leading to a search by her family and a subsequent tragic outcome.

A search operation is underway in Grayson City, Kentucky, for Marly Kinney, a teenager who went missing from a boat on Grayson Lake on the afternoon of June 24.

The search for 19-year-old Marly Kinney concluded tragically as her body was found on Sunday afternoon, confirmed by the Kentucky Department of Fish and Wildlife Resources.

Cameron Conley, 23, has been charged with Boating Under the Influence after 19-year-old Marly Kinney went missing during a boating trip on a Kentucky lake. Authorities are actively searching for the missing teen.