14750 Conference Center Drive, Chantilly, Virginia
81,050
Sq ft event space
36
Meeting rooms
1,100
MAX Capacity
336
Guest rooms
Westfields Marriott Washington Dulles is a premier event destination offering world-class facilities for weddings, corporate events, conferences, galas, and social gatherings. With 81050 sq ft of flexible event space across 36 configurable rooms, we bring your vision to life with an experienced in-house events team.
Our dedicated coordinators, award-winning catering team, and state-of-the-art audio-visual capabilities ensure every detail is flawless — from the first site visit to the final dance.
Guest rooms
336 rooms available for individual stays and discounted room blocks.
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DOUB
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JSTE
Meeting & event space
81050 sq ft across 36 configurable rooms. Tap a room for capacities and setups.
Fairfax
11501·0 x 0 ft
Max capacity1000
Floor area11501
Dimensions0 x 0 ft
Configurations2
Capacity by setup
500
Banquet
1000
Reception
Grand Dominion
9109·80 x 114 ft·16 ft ceiling
Max capacity1100
Floor area9109
Dimensions80 x 114 ft
Ceiling height16 ft
Configurations4
Capacity by setup
1100
Theater
600
Banquet
600
Classroom
800
Reception
Washingtonian
7615·80 x 95 ft·16 ft ceiling
Max capacity800
Floor area7615
Dimensions80 x 95 ft
Ceiling height16 ft
Configurations4
Capacity by setup
800
Theater
490
Banquet
550
Classroom
600
Reception
Jeffersonian
5053·62 x 82 ft·16 ft ceiling
Max capacity500
Floor area5053
Dimensions62 x 82 ft
Ceiling height16 ft
Configurations4
Capacity by setup
450
Theater
300
Banquet
300
Classroom
500
Reception
Lower Rotunda
4309·65 x 66 ft
Max capacity600
Floor area4309
Dimensions65 x 66 ft
Configurations1
Capacity by setup
600
Reception
Washingtonian - Salon 1
3783·80 x 48 ft·16 ft ceiling
Max capacity300
Floor area3783
Dimensions80 x 48 ft
Ceiling height16 ft
Configurations5
Capacity by setup
260
Theater
200
Banquet
200
Classroom
70
U-Shape
300
Reception
Upper Rotunda
3507·0 x 0 ft
Max capacity300
Floor area3507
Dimensions0 x 0 ft
Configurations1
Capacity by setup
300
Reception
Lincoln Forum (auditorium)
3300·62 x 62 ft·16 ft ceiling
Max capacity178
Floor area3300
Dimensions62 x 62 ft
Ceiling height16 ft
Configurations1
Capacity by setup
178
Theater
Promenade
2989·0 x 0 ft
Max capacity100
Floor area2989
Dimensions0 x 0 ft
Configurations2
Capacity by setup
60
Banquet
100
Reception
West Lobby
2616·0 x 0 ft
Max capacity100
Floor area2616
Dimensions0 x 0 ft
Configurations2
Capacity by setup
60
Banquet
100
Reception
Key amenities
Everything available on-site for your event and guests.
Interactive Map
Check cashing policy
Complimentary coffee in lobby
Complimentary newspaper in lobby
Hairdresser/barber
Video checkout
Other Hotel Service
24-hour coffee shop
ATM/Cash machine
Accessible parking
Complimentary in-room coffee or tea
Concierge desk
Indoor parking
Motorcycle parking
Off-Site parking
On-Site parking
Parking fee managed by hotel
Recreational facilities
Basketball
Bull Run Regional Park
Casino
Childrens Pool Outdoor
Course Total Yardage
Cox Farms
Equipment Available in Fitness Center
Fitness Center
Game room
Hand and Stone Massage and Facial Spa
Indoor Pool
Leesburg Animal Park
List All Special Guest Priviledges Available at Fitness Center
Maximum Swimming Pool Depth
Minimum Swimming Pool Depth
Number of Holes
Outdoor Pool (Seasonal)
Outdoor Pool Seasonality Start
Par for Course
Pleasant Valley Golf Club
Location & transportation
14750 Conference Center Drive, Chantilly, Virginia
BWI Marshall Airport
18 mi · 22 min
Reagan National (DCA)
29 mi · 35 min
Free self-parking
1,450 spaces
Valet parking
$28 / night
Hotel shuttle (airport)
By request
EV charging stations
12 Level-2 ports
Accessibility
Westfields Marriott Washington Dulles is committed to welcoming every guest.
100%
Accessible entrances
14
ADA-compliant guest rooms
3
Accessible pool lifts
Wheelchair-accessible parking & drop-off
Ramp access to all event floors
Elevator service to every level
Assistive listening systems in ballrooms
Braille & tactile signage throughout
ADA restrooms on every floor
Accessible poolside seating
Staff trained in disability awareness
Reviews
0 verified reviews from real events at this property.
0
0 reviews
Event facilities
4.9
Catering quality
4.7
Service & staff
4.8
Value for money
4.6
Location & access
4.9
S
Sarah M.
Wedding · March 2026
Absolutely stunning venue. The Grand Ballroom was transformed beautifully and the catering team exceeded every expectation. Our guests are still talking about it!
D
David K.
Corporate Retreat · January 2026
Outstanding facilities for our annual leadership summit. AV ran flawlessly, the catering was exceptional, and the event coordinator kept everything on schedule.
P
Priya R.
Gala · November 2025
The waterfront setting made our fundraising gala unforgettable. Setup crew was professional and the room looked magazine-ready.
J
James T.
Conference · October 2025
Great location and top-tier AV. The breakout rooms worked perfectly for our concurrent sessions. Would happily rebook.
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