Our Mission Valley wedding hotel offers 28,000 sq. ft. of impressive reception and banquet space. The Rio Vista Grand Ballroom features 8,448 square feet of event space and can host 900 guests. Bring outdoor receptions to life in the Pavilion at our Mission Valley facility. Enjoy exceptional event services, caterers, an award-winning chef and creative menu planning. Elegant dining spaces for every special event complete our Mission Valley reception facilities.