Atlanta Marriott Marquis Atlanta, Georgia Guest rooms: 1,674 Meeting space: 120,000 s.f. (11,150 sm) Ideally situated in the heart of the Peachtree Center complex, this convention hotel was developed in response to the increased demand for hotel rooms in the city center. An immediate success, it has served as the Official Headquarters for both the 1988 National Democratic Convention and the 1996 Olympic Games.