83 East 120th Avenue
Thornton, CO 80233
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About Us

The iconic Castle Event Center at the DoubleTree Denver-Thornton is the ideal site to host any special occasion. Conveniently located at the corner of I-25 and 120th Avenue, the Castle's beautiful facade is only the beginning of its countless magical features. With its towering turret, fairytale balcony and twin staircases, the Castle gallantly combines modern amenities with Arthurian grace to create the perfect place for any event. From the elegant to the everyday, the Castle Event Center is ready to make your conference, meeting, quinceanera, reunion or wedding a crowning success. With the capacity to seat more than 600 guests and a professional staff eager to attend to them, the Castle Event Center is Colorado's reigning venue for banquets, birthdays, galas and more!For more information about hosting your special occasion at Denver's original caste hotel, contact us today. Then, get ready to feel like royalty as the Castle awaits you!


Languages Spoken
Guest Capacity
Up to 500
Guest Capacity - Indoor
Up to 500
Guest Capacity - Outdoor
Up to 100
Outdoor Ceremony - Uncovered
Outdoor Reception - Uncovered
Reception Guest Capacity - Indoor
Up to 500
Reception Guest Capacity - Outdoor
Up to 100
Onsite Venue Services
Ceremony SiteFull Bar AvailableFull Service Wedding PackagesNumber of Events at a TimeOnsite CateringOnsite Overnight AccommodationsOnsite ParkingOnsite Wedding CoordinationOutside Catering AllowedWedding Planner
Venue Style
Fairy TaleModern / ContemporaryOther Venue StyleTraditional
Venue Type
CastleEvent CenterHotel/ResortOther Venue Type