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The High Stakes of Boating Under the Influence (BUI) in St. Johns County

View from the back of a speed boat cruising on open water.
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St. Johns County is a paradise for those who love the water, from the Matanzas River to the Atlantic coast. Many residents and visitors enjoy spending their weekends on a boat, but it is easy to forget that the rules of the road also apply to the waves. Operating a vessel while impaired is a serious offense in Florida that carries life-altering consequences. Understanding the law and how it differs from land-based offenses is the first step in protecting your future and your freedom.

If you or a loved one are facing charges following a day on the water, you do not have to navigate this legal storm alone. Contact The Law Offices of Kate Mesic, P.A. today at (904) 615-8950 or via our online contact form for a supportive, determined defense.

Understanding the Basics of BUI in Florida

In Florida, it is illegal to operate a vessel if you are under the influence of alcohol or drugs to the extent that your normal faculties are impaired. Much like driving a car, there is a "legal limit" for your blood alcohol level. For most adults, that limit is .08 percent. If a breath or blood test shows you are at or above this number, you can be charged with Boating Under the Influence.

The term "vessel" is broader than you might think. It includes almost anything used for water transportation. This means you can be charged while operating:

  • Powerboats and sailboats
  • Personal watercraft like Jet Skis or WaveRunners
  • Commercial fishing boats
  • Even non-motorized boats in some specific legal situations

Important Changes to Boating Stop Laws

For many years, boaters in Florida could be stopped at any time for "random" safety checks. However, thanks to the Boating Freedom Act passed in 2025, your rights on the water are now more similar to your rights in a car. Florida law now prohibits the Florida Fish and Wildlife Conservation Commission (FWC) and local law enforcement from pulling you over solely to check for life jackets or paperwork.

To initiate a stop or board your vessel, officers must now have:

  1. Probable Cause: Clear evidence that a law or safety rule is being broken.
  2. Reasonable Suspicion: A valid reason to believe that illegal activity, such as impaired operation, is occurring.

This change is a major win for privacy, but it also means that if you are stopped, the officer likely claims they saw something wrong with your navigation or behavior. Challenging the "reason" for the stop is now a critical part of a strong criminal defense.

How BUI and DUI Compare

While the rules for stopping a boat have changed, there are still differences between a BUI and a Driving Under the Influence charge. In a car, field sobriety tests are done on solid ground. On the water, an officer might ask you to perform tests on a moving boat or a floating dock.

The swaying of the water and "sea legs" can make even a sober person look unsteady. This is why it is vital to have an authoritative legal team review the video and officer reports. We look for whether the environmental conditions—like wind, waves, and sun—were unfairly used to make you appear impaired.

The Penalties for a First-Time Offense

Florida law is strict regarding the safety of our waterways. Even a first-time conviction can result in heavy fines and a permanent criminal record. The goal of the court is often to discourage others from drinking while boating, so penalties are designed to be a significant deterrent.

For a first conviction, you may face:

  • Fines ranging from $500 to $1,000
  • Up to six months in a county jail
  • Probation for up to one year
  • At least 50 hours of mandatory community service
  • The impoundment or "immobilization" of your boat for 10 days

If your blood alcohol level was .15 or higher, or if there was a minor on the boat, the penalties become even more severe. In those cases, the fines can double, and you may face up to nine months in jail. At The Law Offices of Kate Mesic, P.A., we work to ensure the court understands your side of the story to reach the best possible resolution.

The "Implied Consent" Law on the Water

When you enjoy Florida’s waters, you have technically already given your consent to be tested for alcohol or drugs. This is known as the "implied consent" law. If an officer has a valid reason to believe you are impaired, they will ask you to take a breath, blood, or urine test.

Refusing this test does not make the problem go away. In fact, refusing to submit to a breath or blood test can lead to a fine and can be used against you in court. However, unlike a car DUI, a refusal to take a breath test for a BUI does not automatically lead to a driver's license suspension for your car. This is a common point of confusion that we often clear up for our clients.

Does a BUI Affect Your Car Driver’s License?

One of the most frequent questions we hear is whether a boating arrest will take away your right to drive a car. In Florida, the records for boating and driving are generally kept separate. A standard BUI conviction typically does not result in the suspension of your driver’s license.

However, there are important exceptions to keep in mind:

  • A BUI conviction stays on your record and counts as a "prior" if you are ever arrested for a DUI in a car later.
  • The judge can still order a license suspension as part of your specific sentence if they feel it is necessary.
  • If you hold a Commercial Driver’s License (CDL), a BUI can have devastating effects on your career and your ability to work.

Long-Term Consequences Beyond the Courtroom

The stakes of a BUI in St. Johns County go beyond fines and jail time. Because a BUI is a criminal offense, it will appear on background checks conducted by employers, landlords, and educational institutions. This can make it difficult to get a job or secure a professional license in the future.

Furthermore, your insurance rates for both your boat and your car are likely to skyrocket. Some insurance companies may even drop your coverage entirely, labeling you a high-risk operator. We focus on empowering our clients with the information they need to mitigate these long-term risks through a proactive and strategic defense.

Protect Your Future with The Law Offices of Kate Mesic, P.A.

At The Law Offices of Kate Mesic, P.A., we understand how a single afternoon on the water can turn into a legal nightmare. We provide practical, reassuring guidance to help you move past this challenge. Our firm is dedicated to protecting the residents of St. Johns County by providing a defense that is both compassionate toward your situation and assertive in the courtroom.

Do not let a BUI charge define your future. Reach out to The Law Offices of Kate Mesic, P.A. at to discuss your case and learn how we can help you navigate the Florida legal system with confidence.