I've always been fascinated by the Gold Coast. The homes themselves are spectacular, unlike anything you'll see other than in Newport, Bar Harbor or Palm Beach. It's a very special area that, because of local demographics, is not going to survive much longer.
There are a lot of books about the passing of the English aristocracy, but the vast majority of Long Islanders don't understand their own backyard. It's a private preserve.
There are Mafia families that have bought magnificent houses on the North Shore, although not yet the great estates because they don't want that kind of high profile.