MARATHON, Fla. — The U.S. Coast Guard is asking for the public’s help in locating a missing boater who was last seen in the Florida Keys over the weekend.

According to the Coast Guard, Dustin Southwick was initially seen around 8 a.m. Saturday on his rental boat in Marathon.

Officials said Southwick was later seen aboard the rental boat, identified as the Mauney Marine, near the 33rd Street boat ramp around noon.

Search crews from the U.S. Coast Guard in Marathon are continuing efforts to locate him.

Anyone with information about Southwick’s whereabouts is asked to contact the Coast Guard Sector Key West.

Copyright 2026 by WPLG Local10.com - All rights reserved.