Contact Us 

National Marine Underwriters prides itself on having the best service in the industry. Our goal is to make the process of getting insurance for your boat as easy as possible. We want you to spend your free time on the water enjoying your boat not on the phone worrying about your insurance. Our trained representatives are standing by ready to assist you!

Underwriting Email Delivery Addresses

Voice

  • National Marine Underwriters, Inc. - 1-800-262-8467 (Toll Free)

Fax

  • National Marine Underwriters, Inc. - 1-866-639-9577 (Toll Free)

Hours of operation

  • 8:30am - 5:00pm EST M-F

Street Address

National Marine Underwriters, Inc.
201 Defense Highway, Suite 205
Annapolis, Maryland 21401