Frequently Asked Questions  

Q. How do I report a claim to National Marine Underwriters?

A. Claims should be reported immediately by phone to 1-800-BOAT-CLAims (1-800-262-8252). Please have available the following information:

  • Policy number
  • Description of loss
  • Current location of vessel
  • Vessel registration number

Q. I need to cancel my policy, what is the next step?

A. Requests for cancellation must be made in writing. The request must contain the policy reference number, the date, the reason for cancellation, and the signature of the/all owner(s). The effective date of the cancellation will be the postmarked date on the envelope, the date of your FAX, or any future date requested. If your request for cancellation is for a date in the past, a Bill of Sale must accompany your request.

Q. My loss payee requested proof of insurance, what should I do?

A. We automatically send proof of insurance to the loss payee(s) listed on your policy. If for some reason they do not have it on file, please call our service department during normal business hours, Monday through Friday from 8:30am to 5:00pm Eastern Time. If the loss payee sent you a letter, have that available, or fax it to us at 1-866-639-9577, and we will contact the loss payee for you. Please have the loss payee’s phone number and loan number available, so we may contact them.

Q. Where is National Marine Underwriters located?

A. Our national headquarters is located at:
201 Defense Highway, Suite 205
Annapolis, Maryland 21401

Q. What type of charter insurance does National Marine Underwriters offer?

A. Our Charter insurance program requires that the vessel be operated by a licensed Captain. There cannot be any more than six (6) fare paying passengers and there cannot be more than 15 charters per year. The charter coverage we offer is not intended for commercial ventures. Other restrictions may apply.

Q. Does National Marine Underwriters offer commission to brokers?

A. NMU offers a program that allows us to pay commission to licensed brokers for referring business to us if they meet our requirements. We do not appoint brokers to represent us and we do not extend any authority to quote, bind, endorse, or issue on our behalf. If you would like to find out more about the referral program, please contact our customer service team at 1-800-262-8467.

Q. My marina needs a certificate of insurance, what should I do?

A. Supply us with your policy number, the name and address of the marina, and we will issue the certificate.

Q. I need to change my address on my policy, what should I do?

A. You can fax, mail, or e-mail your new address. Include your policy number, your new address, and phone number. Be sure to let us know if the location of your vessel has changed and include the mooring zip code.