Glossary
What Is a PWC (Personal Watercraft)?
A personal watercraft, or PWC, is defined in Florida law as a vessel less than 16 feet in length that uses an inboard motor powering a water jet pump as its primary source of motive power, and that is designed to be operated by a person sitting, standing or kneeling on the vessel rather than inside it.
That definition, from Chapter 327 of the Florida Statutes, is what matters legally. 'Jet Ski' is a Kawasaki trademark and 'WaveRunner' is Yamaha's, but the statute governs regardless of brand. If a craft meets the under-16-feet, jet-pump, ridden-on-top test, PWC rules apply to it, and those rules are stricter than the ones covering conventional boats of similar size.
Florida regulates PWCs specifically. Under state law a PWC may not be operated between sunset and sunrise, even if lights are fitted. Every person aboard must wear a non-inflatable Coast Guard-approved personal flotation device — inflatable PFDs do not satisfy the requirement on a PWC. The engine cut-off lanyard must be attached to the operator's person, clothing or PFD whenever the craft is equipped with one. Reckless operation, including jumping the wake of another vessel unreasonably close and weaving through congested traffic, is prohibited by name.
Age and education requirements are separate and both apply. No one under 14 may operate a PWC in Florida, and it is unlawful to knowingly allow someone under 14 to do so. Anyone born on or after January 1, 1988 must hold a Florida Boating Safety Education ID card to operate a vessel of 10 horsepower or more — which covers essentially every rental PWC on the water. Rental liveries carry their own statutory obligation to provide instruction before you launch.
Rental PWCs are also where the jet-drive handling difference bites hardest. Because thrust and steering come from the same nozzle, releasing the throttle removes most of your ability to turn. Every season this produces avoidable collisions with docks, pilings and other vessels by riders who instinctively let off the gas. Confirm what the rental company requires of you — ID card, minimum age, deposit, permitted operating area — before you pay, and take the safety briefing seriously.