Here on Long Island and around the NY metro area the is a magazine that lists boats for sale called boats4sale. They also have a web page with the same name.
It seems like a good place to find a boat for sale especially if you are a person who likes the old fashion way of putting a paper mag in your hands and flipping thru the pages in a search for a boat.
It also has pages of marinas, and boat related services from motors to canvas and everything in between .

Check it out you may find something you need or want