You can drink alcohol on a boat in Utah as long as you're not operating a motorboat while drinking.
Alcohol is allowed on boats in the state of Utah although it's still illegal to operate a boat while under the influence which is also called BUI or boating under the influence.
Boating under the influence is similar to DUI or driving under the influence.
If you're caught operating a motor boat while drinking alcohol and under the influence you can be arrested.
You can also face jail time, suspension of your driver's license and boating license, fines and even impounding of your boat, trailer and the tow vehicle.
The driver of the boat in Utah may not possess an open container of any alcohol while operating the boat.
And in Utah you're considered to be under the influence if you have a blood alcohol concentration or BAC level of 0.08% or higher.
And any person under the age of 21 years of age may not operate a motorized vessel in Utah with any measurable amount of alcohol in their body.
When operating a motorboat in Utah waters you are also considered to have given consent to take any field sobriety tests as requested to by an officer.