first unless you are military or some version of that or your parents or spouse are you cannot get USAA. They do not insure boats over 20 yrs old.
I own a 1973 Ericson. I ended up with Progressive. I got a policy that allows me to be ''legal'' for my marina.
fyi.. whomever you get... stay with them. Boat insurance is getting harder and harder to get. My policy with NO claims went up from $160/yr to $201 this yr. I am in florida and did not go anywhere near hurricanes last yr. Never left the marina.
progressive''s number is
you other alternative IF you wish to insure for complete coverage is to call one of the brokers listed in the major sailing mags and see if they can find you a full coverage policy...just be ready to provide a survey.
Boat U.S. would have insured my boat with a survey. That was a minimum policy.