Boat Registration and Licenses in Maine

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What to Register

  • All motorized boats, including personal watercraft.


  • Vessels currently registered in another state that properly display their decal and won't be in Maine for more than 60 consecutive days
  • Vessels from another country that won't be in Maine for more than 60 consecutive days
  • Ship's lifeboat.
  • Vessels displaying a current boat number from a recognized racing association that are strictly used for racing.
  • Vessels owned by federal, state, or local governments and used only for official purposes.
  • Military or public watercraft, except recreational watercraft.
  • Vessels required to have a valid marine document as a watercraft of this country.

Requirements and Procedures

You'll register in person at one of the various locations listed below once you:

  1. Complete the registration ATV, Boat, and Snowmobile Registration application.
  2. Collect the bill of sale (private seller purchases).
  3. Collect the dealer's certificate showing sales tax paid (dealer purchases).
  4. Prepare to pay the applicable fees (these vary depending upon your situation).

When registering at the Augusta office or in a town other than your own, remember to first pay your excise tax in the town where you live. Be sure you have a receipt that shows the excise tax has been paid, or your vessel cannot be registered at another location.

If your boat is exempt from tax, complete a tax exemption form and submit it with your other documents.

Boat Insurance

While boat insurance is not a registration requirement in Maine, it is strongly suggested that you look into purchasing a boat insurance policy.

Read our Boat Insurance page to learn more.

Where to Register

  • Department of Inland Fisheries and Wildlife
  • 284 State St.
  • Augusta, ME 04333

Also, many Maine municipal tax collectors and town clerks, as well as some businesses, offer boat registration services. (207) 287-8000 to locate the registration agent nearest you.


Registration fees vary depending on the size of the boat's motor:

  • 0 to 10 horsepower: $16 ($26 with milfoil)
  • 11 to 50 horsepower: $21 ($31 with milfoil)
  • 51 to 115 horsepower: $27 ($27 with milfoil)
  • More than 116 horsepower: $35 ($45 with milfoil)

Personal watercraft carry a $35 registration fee ($45 with milfoil).

NOTE: All fees may include $1agent fee . Agents may charge an additional $2 fee for new, transfer and rollover registrations.

Renewals and Replacements

Registrations expire on December 31 of each year.

Renew in Person

Go to one of the registration locations mentioned above. Bring your current boat registration, and pay your excise tax and renewal fee.

Renew by Mail

Mail a completed renewal application to the address listed on the form. Include your check for your renewal payment, along with proof of excise tax payment to your local tax collector's office.

Renew Online

Boat owners who meet certain criteria can renew online.

Replace Lost Registration

Duplicate registrations can be purchased for a $2 fee and any additional agent fee. It's helpful to have the boat registration number, if possible.

Maine Boater License

Maine doesn't issue any type of boater license.

ME Boater Safety Courses

If you're interested in furthering your boater safety education while possibly lowering your insurance rates in the process, you can sign up for a classroom-setting safety course. Approved online courses are also available.

Those who can't find a class close by should contact a regional safety coordinator, or call (207) 287-5220.

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