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Westfields Marriott Washington Dulles

Plan Groups, Events & Meetings at Our Hotel

14750 Conference Center Drive · Chantilly, Virginia 20151 USA

Westfields Marriott Washington Dulles

Event Spaces

Enjoy the luxury of Washington, D.C., with the service and charm of Northern Virginia, when you reserve the Westfields Marriott Washington Dulles for your next meeting or event.

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Abundance of Space to Meet Your Needs

Take full advantage of 31 meeting rooms and 40,000 square feet of flexible meeting space, including 20,000 square feet of strategically located pre-function space. Each area offers individually controlled, multi-level lighting and evenly-distributed acoustics to make the most of your meeting or event.

Let us elevate your meeting experience in every way. Ask about our fantastic overnight accommodations to event space ratio, where you can make our space exclusively yours with 200 to 300 peak group nights. Here, it's more than a conference center. It's a collaboration center.

Washingtonian Ballroom

Our largest event space, the Washingtonian Ballroom, stands at an impressive 7,615 square feet. It can accommodate up to 800 people for a theater-style setup, or up to 490 for a banquet event.

Conference Suites

We offer five dedicated conference suites with indoor/outdoor access that are ideal for hospitality suites or VIP rooms.

Sunset Terrace

Ideal for banquets and receptions, this 9,000-square-foot patio is perfect for evening events and offers picturesque woodland views. The Terrace can be transformed for use during all seasons and weather conditions.

Fairfax Dining Room

Open daily for breakfast, lunch and dinner in a buffet-style format, Fairfax is an excellent social venue with natural lighting and a country club feel. It is often used as a conference dining area.


Host productive keynotes or screenings in our dedicated amphitheater, which can seat up to 180 guests.

Additional Event Spaces

You will be pleased to know that whether you require one impressive space or the versatility of smaller, more intimate rooms, our ballrooms can be adjusted to meet your requirements. From new linenless tables and executive-style swivel chairs to the very latest in meeting technology, we are confident that our meeting facilities and services will make your programs shine.

Jeffersonian Room

This is the perfect setting to inspire success. Whether your next event requires conference- or schoolroom-style seating, you'll find our flexible meeting space will meet your needs.

Adams Boardroom

For privacy, impeccable service and the latest audiovisual technologies at your fingertips, look no further than the elegantly appointed boardroom. Meet with our event planners and take advantage of a world or possibilities.

Treaty Room

Let our expert catering team help you plan the perfect event so that you and your guests can celebrate in a comfortable, upgraded and private dining space.

Westscot Room

Plan the perfect gathering in our private dining room. Whether you have a small meeting or family dinner, this space is the perfect place to sit back and relax over a delicious meal.

Studio Boardroom

The Studio Board Room is a sound proof meeting room with the latest technology ideal for viewing videos, collaborative working sessions, or team brainstorming. Equipment includes streaming Wi-Fi devices, a 70-inch screen, touch screen capabilities, customizable lighting, and studio speakers.

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