Ĭonstruction on MGM National Harbor began in April 2014. The company received the license after competing with bids from Penn National Gaming to develop a $700-million facility at its Rosecroft Raceway and Greenwood Racing to develop a $761-million facility near Maryland Route 210. MGM Resorts International received a license in December 2013 to develop a $925-million resort (later increased to $1.2 billion ) in National Harbor. History South entrance Hotel entrance and lobby Conservatory, decorated in autumn decor It is owned by Vici Properties and operated by MGM Resorts International. It opened on December 8, 2016, and cost $1.4 billion. MGM National Harbor is a casino hotel in National Harbor, Maryland, just outside of Washington, D.C.
