Welcome to the Hilton Milwaukee Downtown – A Four Diamond Hotel The Hilton Milwaukee Downtown hotel is a classic art deco hotel with rich furnishing and distinctive architecture built in 1927. Originally called The Schroeder Hotel, today the Hilton Milwaukee Downtown is recognized as the city's largest hotel with a tradition of excellence spanning nearly 85 years. The gracious style of the hotel is reflected in impeccable service and attention to every detail provided by a tenured team of hospitality professionals. We are proud to say we are a AAA Four Diamond hotel.