Sunstone Hotel Investors, Inc. operates as a self-managed and self-administered real estate investment trust (REIT). The Company's primary business is to acquire, own, asset manage and renovate primarily urban and resort upper upscale hotels in the United States. The Company operates through hotel ownership segment. The Company owns primarily urban and resort upper upscale hotels in the United States. The Company’s hotels are operated under nationally recognized brands, such as Marriott, Hilton and Hyatt. The Company has interest in 18 hotels, including 9,495 rooms. The Company's hotels are located in gateway markets, such as Boston, New York, Washington, District of Columbia (DC)/Baltimore, Chicago, Orlando, New Orleans, San Francisco, Orange County and San Diego.