The Hotel Marcel is located in the Long Wharf district of New Haven, Connecticut, United States. The nine-story building was designed by modernist architect Marcel Breuer in the Brutalist style and originally functioned as an office headquarters for the Armstrong Rubber Company. Since 2022, it has been operated as a Hilton hotel with 165 rooms. Over the years, the Hotel Marcel building has received extensive commentary from architecture critics, particularly for its massing or shape. The building is listed on the Connecticut Register of Historic Places and the National Register of Historic Places.