MSW Marine Insurance Services

MSW Marine Insurance Services was created in 1997 as a division of McGriff, Seibels, & Williams, Inc. which has been developing and managing insurance programs designed to meet the unique needs of the marine marketplace for nearly 30 years.  With a staff that strictly handles boats and yachts, MSW Marine is an industry leader with the knowledge and expertise that boaters need.

Policies are shopped to several "A rated" carriers depending on the specific client needs, as MSW Marine has long-standing relationships with many of the most respected and financially sound underwriters in the industry. 

Our philosophy of personalized service and customized policies puts the client at the top of our organizational chart.  We work to make each transaction become a long-term partnership. 

MSW Marine Insurance Services
Monday – Friday 8:00a.m. to 4:45p.m. CST
Toll Free:  800-937-8895 / Email:

If You Have a Loss

Immediately report all accidents/claims to MSW Marine Insurance Services.  You must take all reasonable steps to protect the boat from further damage.  Do not start permanent repairs or dispose of damaged parts until the insurance company can inspect the damage.  If you fail to follow these instructions you may void your policy and your claim could be denied.  Refer to your policy booklet to comply with the requirements set forth by the Company. 

Important Contact Numbers

Normal Business Hour Contact Numbers  (Mon-Fri 8:00a.m. - 4:45p.m. CST)

MSW Marine Insurance Customer Care (Inside U.S.) - 1-800-937-8895

After Hours Claims Contact Numbers  (Evenings, Holidays & Weekends 24 Hour Claims Service)

After Hours for ACE Policyholder (ACE USA Claims Service) - 1-800-945-7461
After Hours for Drive Insurance from Progressive Policyholders - 1-800-925-2886