901 Massachusetts Avenue NW, Washington, District Of Columbia
154,586
Sq ft event space
113
Meeting rooms
3,500
MAX Capacity
0
Guest rooms
Marriott Marquis Washington, DC is a premier event destination offering world-class facilities for weddings, corporate events, conferences, galas, and social gatherings. With 154586 sq ft of flexible event space across 113 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
rooms available for individual stays and discounted room blocks.
CDDB
CONC
DBDB
DOUB
Meeting & event space
154586 sq ft across 113 configurable rooms. Tap a room for capacities and setups.
Marquis Ballroom
30600·136 x 225 ft·22 ft ceiling
Max capacity3500
Floor area30600
Dimensions136 x 225 ft
Ceiling height22 ft
Configurations3
Capacity by setup
3500
Theater
2750
Banquet
1700
Classroom
Marquis Salons 5/6 (combined)
17544·136 x 129 ft·22 ft ceiling
Max capacity1600
Floor area17544
Dimensions136 x 129 ft
Ceiling height22 ft
Configurations3
Capacity by setup
1600
Theater
1560
Banquet
900
Classroom
Marquis Salons 6/10 (combined)
14552·107 x 136 ft·22 ft ceiling
Max capacity1400
Floor area14552
Dimensions107 x 136 ft
Ceiling height22 ft
Configurations3
Capacity by setup
1400
Theater
1300
Banquet
850
Classroom
Marquis Salons 1/5 (combined)
14552·48 x 136 ft·22 ft ceiling
Max capacity1400
Floor area14552
Dimensions48 x 136 ft
Ceiling height22 ft
Configurations3
Capacity by setup
1400
Theater
1300
Banquet
850
Classroom
Independence Ballroom
10854·81 x 134 ft·20 ft ceiling
Max capacity1100
Floor area10854
Dimensions81 x 134 ft
Ceiling height20 ft
Configurations3
Capacity by setup
1100
Theater
800
Banquet
625
Classroom
Liberty Ballroom
10854·81 x 134 ft·20 ft ceiling
Max capacity1100
Floor area10854
Dimensions81 x 134 ft
Ceiling height20 ft
Configurations3
Capacity by setup
1100
Theater
800
Banquet
625
Classroom
Independence Salons A/B/C/D/E (combined)
8100·81 x 100 ft·20 ft ceiling
Max capacity800
Floor area8100
Dimensions81 x 100 ft
Ceiling height20 ft
Configurations3
Capacity by setup
800
Theater
630
Banquet
475
Classroom
Independence Salons D/E/F/G/H (combined)
8100·81 x 100 ft·20 ft ceiling
Max capacity900
Floor area8100
Dimensions81 x 100 ft
Ceiling height20 ft
Configurations3
Capacity by setup
900
Theater
630
Banquet
456
Classroom
Liberty Salons I/J/K/L/M (combined)
8100·81 x 100 ft·20 ft ceiling
Max capacity900
Floor area8100
Dimensions81 x 100 ft
Ceiling height20 ft
Configurations3
Capacity by setup
900
Theater
630
Banquet
465
Classroom
Liberty Salons L/M/N/O/P (combined)
8100·81 x 100 ft·20 ft ceiling
Max capacity900
Floor area8100
Dimensions81 x 100 ft
Ceiling height20 ft
Configurations3
Capacity by setup
900
Theater
630
Banquet
456
Classroom
Key amenities
Everything available on-site for your event and guests.
Other Hotel Service
24-hour room service
ATM/Cash machine
Accessible facilities
Accessible parking
Accessible rooms
All public areas non-smoking
BBQ/Picnic area
Baby sitting
Bookstore
Car rental desk
Coin operated laundry
Complimentary coffee in lobby
Complimentary continental breakfast
Complimentary full american breakfast
Complimentary in-room coffee or tea
Complimentary newspaper delivered to room
Complimentary newspaper in lobby
Complimentary shoeshine
Concierge desk
Concierge lounge
Recreational facilities
24 Hour Fitness Center
Aura Spa City Vista
Blue Course
Capital One Arena
Casino
Course Total Yardage
Equipment Available in Fitness Center
Game room
International Spy Museum
Javan Wellness
Langston Golf Course
Liberty Ski Resort
List All Special Guest Priviledges Available at Fitness Center
Number of Holes
Ocean City, Maryland
Orangetheory Fitness
Par for Course
Planet Word
Red Course
Rehoboth Beach, Delaware
Location & transportation
901 Massachusetts Avenue NW, Washington, District Of Columbia
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
Marriott Marquis Washington, DC 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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