New York is filled with hotel rooms from top-end sumptuous boutique hotels, all the way down to budget hotels; and there are plenty of hostels too. All hotels and hotel rooms, whatever their facilities, have their place: if you are visiting for commerce, of course, much will depend on how generous (or not) your manager is with expenses but, whatever your situation, there are plenty of New York hotel deals to be had; with New York Latebookings.org alone at present listing 428 hotels.
...more