We stayed at the Omni Shoreham which is quite near the zoo. This is one of the worlds great hotels. It is where Jack Kennedy used to romance Jackie before they wed, the walls are covered with pictures of famous people who stayed there, the Beatles and Nelson Mandela spring to mind but there were loads. It is an older hotel full of character with a foyer full of chinoiserie and antiques and a grand piano. Nice pool too. And I remember within walking distance of a subway station. I dont remember how much but we stayed for three nights about five years ago when it was 1.5 dollars to the £ so I am guessing it is affordable at nearly 2. If you are only going to be there one night, I would splash out and go somewhere really nice.