Search underway for boater last seen off Marathon's 33rd Street boat ramp

MARATHON, Fla. (WINK)—U.S. Coast Guard crews are searching for a missing boater last seen Saturday morning in the Florida Keys.

Dustin Southwick was reportedly last seen at his rental at 8 a.m. Saturday in Marathon. He was then spotted around 8:30 a.m. off the 33rd Street boat ramp on a vessel called Mauney Marine.

The Coast Guard is asking anyone with information about Southwick or the boat to contact Sector Key West at 888-245-9727.