The driver who died in a wreck on Johns Island Saturday was 49-year-old Grady Robinson of Mount Pleasant, the Charleston County Coroner's office said today.

Robinson was driving a 2011 Hyundai when he hit a tree near Main and Maryann Point roads just before 7 p.m. Saturday, according to Maj. Jim Brady of the Charleston County Sheriff's Office. There were no other passengers in the car, and no other vehicles were involved. Robinson died at the scene, according to the coroner's office.

The sheriff's office is investigating the accident.