Marriott Vacations Worldwide Corporation announced that it has signed a contract with an affiliate of Unicorp National Developments Inc. to develop its new global corporate headquarters. The nearly 300,000 square foot, nine story, state-of-the-art building will be located within the proposed new City Center at O-Town West project developed by Unicorp National Developments Inc. fronting Interstate 4 and Daryl Carter Parkway. O-Town West is a $1 billion plus mixed-use development that is currently programmed to include restaurants, offices, entertainment, retail stores, hotels, high-end apartments and residential homes.