Start Planning Your Meetings or Events Here

Tell us about your event, then we'll contact you and plan it together


Event Rooms

59538 SQ FT

Total Event Space


Capacity Largest Space
Spring 2023 Shaadi Showcase
March 26, 2023 - Shaadi Showcase is the one-stop shop for all of your wedding planning needs. Visit us and find out more!
Van Buren Room

Meeting and Events

Inspire creativity with a meeting or business event at our hotel, just moments from Dulles Airport

Discover our meeting rooms and event spaces, which include one of Fairfax County's largest ballrooms
Modern technology includes a media wall in the Rotunda and sound/touch screens in our Studio venue
Our large foyer space is ideal for breakout meetings and receptions, as well as event registration
Trust our dedicated team to ensure that every aspect of your Chantilly event is managed flawlessly
Your meeting guests enjoy ample free parking, and special room block rates are available for groups

Elevate the Way You Do Business

Ensure a successful meeting, conference or holiday party at Westfields Marriott Washington Dulles.

Washingtonian Ballroom - Banquet
Sunset Terrace - Wedding Ceremony

Weddings and Occasions

Plan your dream wedding at our hotel, which offers stylish spaces for celebrations of varying sizes

Choose from nearly 60,000 square feet of venue space, conveniently located near Dulles Airport
Raise a toast in our elegant Dominion Ballroom, which can seat up to 600 wedding attendees
The Fairfax Room and the Sunset Terrace are also popular choices for social events in Chantilly
Our planners can assist with everything from customized wedding menus to room blocks for your guests
Our hotel is also a premier destination for South Asian weddings in the Chantilly area

Unforgettable Weddings At Westfields Marriott

Our idyllic location, award-winning service, world-class catering and experienced event planners can make your special day, exceptional.

Colourful Sangeet decoration at Fairfax
private dining austin
Rewarding Travel from start to Finish
Earn up to 60,000 points per qualified event with Marriott Bonvoy Events. Elite members earn more with bonus points.


Manage event details, make real-time requests and connect with our staff - from the palm of your hand.

Please note: all room sizes are approximate.

Frequently Asked Questions