Luxury hotels in the USA promise extraordinary experiences that go far beyond the ordinary. Add to that a prime location, exclusive 5-star service, top-notch design and the finest amenities. Among the most popular luxury hotels in the USA is the 5 star hotel The Mayflower Inn & Spa, Auberge Resorts Collection | Adults only in Washington (Pennsylvania). Also highly recommended are 5 star hotel The Ritz-Carlton, Half Moon Bay in Half Moon Bay and 5 star hotel XV Beacon Hotel in Boston.