Florida Statutes Title XXIV. Vessels § 328.56. Vessel registration number

(1) A vessel operated, used, and stored exclusively on private lakes and ponds;

(2) A vessel owned by the United States Government;

(3) A vessel used exclusively as a ship's lifeboat;

(4) A non-motor-powered vessel less than 16 feet in length or a non-motor-powered canoe, kayak, racing shell, or rowing scull, regardless of length;

(5) A federally documented vessel;

(6) A vessel already covered by a registration number in full force and effect which has been awarded to it pursuant to a federally approved numbering system of another state or by the United States Coast Guard in a state without a federally approved numbering system, if the vessel has not been within this state for a period in excess of 90 consecutive days;

(7) A vessel operating under a valid temporary certificate of number;

(8) A vessel from a country other than the United States temporarily using the waters of this state; or

(9) An undocumented vessel used exclusively for racing.