Sunstone Hotel Investors Incorporated is a Real Estate Investment Trust (REIT) that owns upscale hotels in the U.S. Its hotels are operated by nationally recognized brands (Marriott, Hilton, and Hyatt) in gateway markets such as Boston, Chicago, Key West, Maui, New Orleans, Orlando, Portland, San Diego, San Francisco and Washington, DC. Sunstone Hotel was incorporated in 2004 and is headquartered in Aliso Viejo, CA.