You will need to check with New York
State to see if they will let you register the boat. I can tell you for certain you can't register the title with the USCG. They insist on it being US citizens only club. You will find that there is an accepted international practice of not letting other countries citizens abuse your registration
system so they can skip out of their local taxes
When it comes to title registration
it's a basic law unless you get into holding companies based in another country.
There is a difference between being legal
and getting caught.