I used this guy this past spring, he did a good job for me:
http://www.marinesurveyor.com/mcdonough/
Captain John C. McDonough Marine Surveyor/Consultant, LLC
Rye, New Hampshire
John C. McDonough, SAMSŪ AMSŪ
Principal Marine Surveyor
Yacht & Small Craft Marine Surveys
Serving the North East USA since 1995
Good luck with your search.