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

Robinson was driving a 2011 Hyundai when he hit a tree near Main and Maryann Point roads just before 7 p.m. Saturday, said 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.