There is no single boating license that is valid in every state. Each state has its own requirements for boaters, which may include taking a boating safety course and passing a written exam. Some states also have age restrictions for operating certain types of boats.

Alabama requirements:

Must be at least 12 years old to operate a boat with an engine of 10 horsepower or less without supervision. Those under 16 years old must have completed an approved boating safety course to operate a boat with an engine of more than 10 horsepower.

Alaska requirements:

No boating license is required, but boaters must be at least 16 years old to operate a boat with an engine of more than 25 horsepower.

Arizona requirements:

Must be at least 10 years old to operate a boat with an engine of less than 10 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 10 horsepower.

Arkansas requirements:

Must be at least 14 years old to operate a boat with an engine of less than 15 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 15 horsepower.

California requirements:

Must be at least 16 years old to operate a boat with an engine of more than 15 horsepower. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Colorado requirements:

Must be at least 14 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Connecticut requirements:

Must be at least 16 years old to operate a boat with an engine of more than 25 horsepower. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 40 horsepower.

Delaware requirements:

Must be at least 16 years old to operate a boat with an engine of more than 25 horsepower. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 40 horsepower.

Florida requirements:

Must be at least 14 years old to operate a boat with an engine of less than 30 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 30 horsepower.

Georgia requirements:

Must be at least 12 years old to operate a boat with an engine of less than 30 horsepower without supervision. Those under 16 years old must have completed an approved boating safety course to operate a boat with an engine of more than 30 horsepower.

Hawaii requirements:

Must be at least 16 years old to operate a boat with an engine of more than 15 horsepower. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Idaho requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 16 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Illinois requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Indiana requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Iowa requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Kansas requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Kentucky requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Louisiana requirements:

Must be at least 16 years old to operate a boat with an engine of more than 25 horsepower. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 40 horsepower.

Maine requirements:

Must be at least 16 years old to operate a boat with an engine of more than 25 horsepower. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 40 horsepower.

Maryland requirements:

Must be at least 16 years old to operate a boat with an engine of more than 25 horsepower. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 40 horsepower.

Massachusetts requirements:

Must be at least 12 years old to operate a boat with an engine of less than 10 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 10 horsepower.

Michigan requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Minnesota requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Mississippi requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Missouri requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Montana requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Nebraska requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Nevada requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

New Hampshire requirements:

Must be at least 16 years old to operate a boat with an engine of more than 25 horsepower. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 40 horsepower.

New Jersey requirements:

Must be at least 16 years old to operate a boat with an engine of more than 25 horsepower. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 40 horsepower.

New Mexico requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

New York requirements:

Must be at least 10 years old to operate a boat with an engine of less than 10 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 10 horsepower.

North Carolina requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

North Dakota requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Ohio requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Oklahoma requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Oregon requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Pennsylvania requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Rhode Island requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

South Carolina requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

South Dakota requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Tennessee requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Texas requirements:

Must be at least 13 years old to operate a boat with an engine of less than 15 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 15 horsepower.

Utah requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Vermont requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Virginia requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Washington requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

West Virginia requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Wisconsin requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.

Wyoming requirements:

Must be at least 12 years old to operate a boat with an engine of less than 25 horsepower without supervision. Those under 18 years old must have completed an approved boating safety course to operate a boat with an engine of more than 25 horsepower.