The U.S. Coast Guard is searching for a boater who went missing near Marathon over the weekend. Dustin Southwick was reportedly last seen off the 33rd Street boat ramp around 8:30 a.m. Saturday. Watch NBC6 free wherever you are WATCH HERE WATCH HEREHe was on a boat named Mauney Marine. #BOLO @USCG crews are looking for Dustin Southwick, reportedly last seen at his rental at 8 a.m., Sat., in Marathon, & then off the 33 St. boat ramp around noon, on the boat, Mauney Marine. If anyone has information on the boat or Southwick, call Sector Key West @ 888-245-9727. pic.twitter.com/Esy4tmGwiu — U.S. Coast Guard Southeast (@USCGSoutheast) August 2, 2026Anyone with information about Southwick or the boat is asked to contact the Coast Guard at 888-245-9727.