SORRENTO — Dr. John McGinn, 62, a summer resident of Bar Harbor, died accidentally Saturday evening as he was attempting to board his sailboat from a dingy, according to Marine Patrol officers.

McGinn had fallen from the dingy and may have struck his head on the sailboat, falling into the water unconscious, officers reported.

Ambulance attendants performed cardiopulmonary resuscitation at the scene and enroute to the Maine Coast Memorial Hospital in Ellsworth. McGinn was pronounced dead at the hospital.

The cause of death had not been determined. Marine Patrol officers were continuing their investigation of the accident on Sunday.