Florida boaters should be in US Coast Guard Approved type I, II, or III PFD on board all underway recreational vessels. The approved PFD must be in the correct size for the intended user.
Boat Length
All vessels less than 26ft must follow PFD laws on approved life jackets.
Compulsory PFD Requirements for Florida
In Florida children under the age of 6 must wear a USCG-approved type I, II, or III PFD. The life jacket should be worn at all times when the vessel is underway. It should fit properly and be in good, serviceable condition.
Exceptions from wearing PFDs in Florida
Exceptions are only applicable when the vessel is anchored or moored.
Disclaimer: The information presented here is meant to be a general reference for educational purposes. Please check with your state for the most up to date information and any current changes in the laws. Source: BoatUS