Columbia Entertainment is a privately held owner and operator of casino gaming properties. Columbia's portfolio of gaming properties owned or operated now includes 13 casinos in the United States, including the Tropicana branded properties in Laughlin and Las Vegas.

Columbia Entertainment is owned by William J. Yung, III, who along with his family also owns Columbia Sussex Corporation, on of the largest privately held owners, developers and operators of hotel properties in the world. Columbia Sussex is the largest licensee of full service Marriott Hotels in the U.S. The company and its affiliates own 75 hotels and 27,000 rooms across the United States, Canada and the Caribbean that operate under top brand names including Marriott, Hilton, Westin, Sheraton, Renaissance and Doubletree. The companies employ nearly 28,000 people.