Named for its triangular shape, the southern edge of this island is dominated by the Tricorner Yards - which was once a shipyard for the U.S. Navy, but it was later decommissioned. Now it operates in private hands, able to build and repair many of the largest ships in the world, including cruise ships and cargo ships. Much of the island is taken up by associated businesses, which provide steel and other supplies needed by the shipyard, but there are also some residences. It's not the most ideal location to live so near to so many industrial works, and crime is sometimes a problem, but at least it isn't Park Row.