Registration is required on all boats with motors, regardless of size. A valid out-of state registration of any pleasure craft is recognized for up to 90 days in Florida. After that, Florida registration is required. Fees vary according to the length of the boat. Newcomers from out of state should bring their title and/or/ registration. Registration is handled through the vehicle registration office at: 1200 Truman Avenue, phone: (305) 294-8403