The Guam Plaza Hotel is owned by the City Hill Company (Guam), LTD. This company, along with its Guam Plaza Hotel, runs several facilities on its 14 acres of prime Tumon real estate. The other facilities that encompass the Guam Plaza Hotel include - Tarza Water Park - a 6.5 acre water park with multiple slides and a wave machine - JP Square - a 50,000 sq. foot shopping complex that includes: JP Superstore, TGI Friday's Restaurant, MacDonalds, and Pacific Micronesia Tours Inc