Where on Long Island is it Ross?
Someone here might be willing to visit the boat for you, take pictures and report back to you before you even call in a surveyor.
I'm in NYC but think of LI as my "back yard".
As for accredited surveyors, go to the NAMS & SAMS websites. They list their members by state and addresses.
Believe I used Edward Viola for a pre-purchase survey once.