Marriott Marquis Washington, DC — Event Spaces, Floor Plans & Capacities

901 Massachusetts Ave NW, Washington, DC 20001

86 rooms · largest space: Marquis Ballroom, 30,600 sq ft2,843 m²

Marriott Marquis Washington, DC gives Washington event planners 86 rooms to work with. The largest space is Marquis Ballroom, 30,600 sq ft2,843 m². It holds up to 3,500 guests. Review the layouts and seating capacities below, then test your setup in 3D — free.

Plan an event in Marquis Ballroom: open a free to-scale layout seating 1,980 at round tables in its 225 × 136 ft footprint at floors.live/start — no account needed.

Across its 86 rooms, Marriott Marquis Washington, DC handles theater-style sessions for up to 3,500, seated banquets for 2,750 and standing receptions for 3,500. 20 smaller rooms suit breakouts and board meetings. Exact figures for every room and setup style are in the chart below.

Plan your event in this space — free

Unverified listing — compiled from Marriott Marquis Washington, DC’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/washington-dc/washington/marriott-marquis-washington-dc/?claim=1.

Floor plans

Detailed floor plans for Marriott Marquis Washington, DC are published on the venue’s official site.

View official floor plans at Marriott ↗Plan your event in this space — free

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Room capacities & dimensions

86 rooms, 113 configurations. Combined and divided set-ups are listed under their room.

Space

Ceiling

10th Floor Terrace Flexible Meeting SpacePlan this room →

1,170 sq ft109 m²

13.5 ft4.1 m

—

140

—

4th Floor Conference RoomPlan this room →

650 sq ft60 m²

7.6 ft2.3 m

5th Floor Conference RoomPlan this room →

650 sq ft60 m²

7.6 ft2.3 m

Adams MorganPlan this room →

465 sq ft43 m²

10.6 ft3.2 m

—

American UniversityPlan this room →

238 sq ft22 m²

10.6 ft3.2 m

—

AnacostiaPlan this room →

323 sq ft30 m²

10.6 ft3.2 m

—

ArchivesPlan this room →

2,415 sq ft224 m²

10.6 ft3.2 m

180

250

140

225

CapitolPlan this room →

2,016 sq ft187 m²

10.6 ft3.2 m

120

200

100

200

Capitol HillPlan this room →

676 sq ft63 m²

10.6 ft3.2 m

Catholic UniversityPlan this room →

945 sq ft88 m²

10.6 ft3.2 m

1 configuration with Catholic University

Combined and divided set-ups that include Catholic University
Configuration	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Reception	Conference	U-Shape
University of DC & Catholic University (combined)Plan this room →	2,739 sq ft254 m²	10.6 ft3.2 m	210	300	155	300	52	54

Cherry BlossomPlan this room →

1,144 sq ft106 m²

12.6 ft3.8 m

110

ChinatownPlan this room →

1,890 sq ft176 m²

10.6 ft3.2 m

150

180

100

175

CongressPlan this room →

1,026 sq ft95 m²

10.6 ft3.2 m

100

1 configuration with Congress

Combined and divided set-ups that include Congress
Configuration	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Reception	Conference	U-Shape
Capitol/Congress (combined)Plan this room →	3,042 sq ft283 m²	10.6 ft3.2 m	210	300	160	300	54	56

Dahlia BoardroomPlan this room →

360 sq ft33 m²

7.6 ft2.3 m

—

DogwoodPlan this room →

1,248 sq ft116 m²

12.6 ft3.8 m

110

Dupont CirclePlan this room →

650 sq ft60 m²

10.6 ft3.2 m

Eastern MarketPlan this room →

432 sq ft40 m²

10.6 ft3.2 m

Farragut NorthPlan this room →

432 sq ft40 m²

10.6 ft3.2 m

Gallaudet UniversityPlan this room →

945 sq ft88 m²

10.6 ft3.2 m

Gallery PlacePlan this room →

432 sq ft40 m²

10.6 ft3.2 m

George Washington UniversityPlan this room →

1,296 sq ft120 m²

10.6 ft3.2 m

130

Georgetown UniversityPlan this room →

1,944 sq ft181 m²

10.6 ft3.2 m

140

200

GeraniumPlan this room →

350 sq ft33 m²

7.6 ft2.3 m

HollyPlan this room →

350 sq ft33 m²

7.6 ft2.3 m

HoneysucklePlan this room →

350 sq ft33 m²

7.6 ft2.3 m

Howard UniversityPlan this room →

945 sq ft88 m²

10.6 ft3.2 m

Independence BallroomPlan this room →

10,854 sq ft1,008 m²

20 ft6.1 m

800

1,100

625

1,050

—

Independence Salon APlan this room →

884 sq ft82 m²

20 ft6.1 m

7 configurations with Independence Salon A

Combined and divided set-ups that include Independence Salon A
Configuration	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Reception	Conference	U-Shape
Independence Salons A/B/C (combined)Plan this room →	2,754 sq ft256 m²	20 ft6.1 m	210	300	140	275	—	—
Independence Salons A/B/C/D (combined)Plan this room →	5,427 sq ft504 m²	20 ft6.1 m	420	600	265	525	—	—
Independence Salons A/B/C/D/E (combined)Plan this room →	8,100 sq ft753 m²	20 ft6.1 m	630	800	475	800	—	—
Independence Salons D/E (combined)Plan this room →	5,346 sq ft497 m²	20 ft6.1 m	420	600	265	550	—	—
Independence Salons D/E/F/G/H (combined)Plan this room →	8,100 sq ft753 m²	20 ft6.1 m	630	900	456	800	—	—
Independence Salons E/F/G/H (combined)Plan this room →	5,427 sq ft504 m²	20 ft6.1 m	420	600	265	525	—	—
Independence Salons F/G/H (combined)Plan this room →	2,720 sq ft253 m²	20 ft6.1 m	210	275	150	275	—	—

Independence Salon BPlan this room →

918 sq ft85 m²

20 ft6.1 m

Independence Salon CPlan this room →

952 sq ft88 m²

20 ft6.1 m

Independence Salon DPlan this room →

2,673 sq ft248 m²

20 ft6.1 m

210

300

140

275

—

Independence Salon EPlan this room →

2,673 sq ft248 m²

20 ft6.1 m

210

300

140

275

—

Independence Salon FPlan this room →

884 sq ft82 m²

20 ft6.1 m

Independence Salon GPlan this room →

918 sq ft85 m²

20 ft6.1 m

Independence Salon HPlan this room →

952 sq ft88 m²

20 ft6.1 m

100

Judiciary SquarePlan this room →

945 sq ft88 m²

10.6 ft3.2 m

L'Enfant PlazaPlan this room →

432 sq ft40 m²

10.6 ft3.2 m

LeDroit ParkPlan this room →

945 sq ft88 m²

10.6 ft3.2 m

1 configuration with LeDroit Park

Combined and divided set-ups that include LeDroit Park
Configuration	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Reception	Conference	U-Shape
Shaw/LeDroit Park (combined)Plan this room →	2,905 sq ft270 m²	10.6 ft3.2 m	200	300	140	250	48	50

Liberty BallroomPlan this room →

10,854 sq ft1,008 m²

20 ft6.1 m

800

1,100

625

1,050

—

Liberty Salon IPlan this room →

952 sq ft88 m²

20 ft6.1 m

7 configurations with Liberty Salon I

Combined and divided set-ups that include Liberty Salon I
Configuration	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Reception	Conference	U-Shape
Liberty Salons I/J/K (combined)Plan this room →	2,754 sq ft256 m²	20 ft6.1 m	210	300	140	275	—	—
Liberty Salons I/J/K/L (combined)Plan this room →	5,427 sq ft504 m²	20 ft6.1 m	420	600	265	500	—	—
Liberty Salons I/J/K/L/M (combined)Plan this room →	8,100 sq ft753 m²	20 ft6.1 m	630	900	465	775	—	—
Liberty Salons L/M (combined)Plan this room →	5,346 sq ft497 m²	20 ft6.1 m	420	600	265	500	—	—
Liberty Salons L/M/N/O/P (combined)Plan this room →	8,100 sq ft753 m²	20 ft6.1 m	630	900	456	800	—	—
Liberty Salons M/N/O/P (combined)Plan this room →	5,427 sq ft504 m²	20 ft6.1 m	420	600	265	525	—	—
Liberty Salons N/O/P (combined)Plan this room →	2,720 sq ft253 m²	20 ft6.1 m	210	275	140	275	—	—

Liberty Salon JPlan this room →

918 sq ft85 m²

20 ft6.1 m

Liberty Salon KPlan this room →

884 sq ft82 m²

20 ft6.1 m

100

Liberty Salon LPlan this room →

2,673 sq ft248 m²

20 ft6.1 m

210

300

140

275

—

Liberty Salon MPlan this room →

2,673 sq ft248 m²

20 ft6.1 m

210

300

140

275

—

Liberty Salon NPlan this room →

952 sq ft88 m²

20 ft6.1 m

Liberty Salon OPlan this room →

918 sq ft85 m²

20 ft6.1 m

Liberty Salon PPlan this room →

850 sq ft79 m²

20 ft6.1 m

MagnoliaPlan this room →

1,144 sq ft106 m²

12.6 ft3.8 m

110

MaplePlan this room →

350 sq ft33 m²

7.6 ft2.3 m

Marquis BallroomPlan this room →

30,600 sq ft2,843 m²

22 ft6.7 m

2,750

3,500

1,700

3,500

—

Marquis Salon 1Plan this room →

1,680 sq ft156 m²

22 ft6.7 m

120

150

10 configurations with Marquis Salon 1

Combined and divided set-ups that include Marquis Salon 1
Configuration	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Reception	Conference	U-Shape
Marquis Salons 1/2 (combined)Plan this room →	3,264 sq ft303 m²	22 ft6.7 m	240	325	180	325	68	80
Marquis Salons 1/2/3/4 (combined)Plan this room →	6,528 sq ft606 m²	22 ft6.7 m	520	625	375	650	—	—
Marquis Salons 1/5 (combined)Plan this room →	14,552 sq ft1,352 m²	22 ft6.7 m	1,300	1,400	850	1,400	—	—
Marquis Salons 12/13 (combined)Plan this room →	2,988 sq ft278 m²	10.6 ft3.2 m	210	300	125	300	52	56
Marquis Salons 3/4 (combined)Plan this room →	3,264 sq ft303 m²	22 ft6.7 m	240	325	180	325	68	80
Marquis Salons 5/6 (combined)Plan this room →	17,544 sq ft1,630 m²	22 ft6.7 m	1,560	1,600	900	1,600	—	—
Marquis Salons 6/10 (combined)Plan this room →	14,552 sq ft1,352 m²	22 ft6.7 m	1,300	1,400	850	1,400	—	—
Marquis Salons 7/8 (combined)Plan this room →	3,264 sq ft303 m²	22 ft6.7 m	240	325	180	325	100	80
Marquis Salons 7/8/9/10 (combined)Plan this room →	6,528 sq ft606 m²	22 ft6.7 m	520	650	375	650	—	—
Marquis Salons 9/10 (combined)Plan this room →	3,264 sq ft303 m²	22 ft6.7 m	240	325	180	325	100	80

Marquis Salon 10Plan this room →

1,680 sq ft156 m²

22 ft6.7 m

120

150

Marquis Salon 11Plan this room →

323 sq ft30 m²

10.6 ft3.2 m

Marquis Salon 12Plan this room →

2,016 sq ft187 m²

10.6 ft3.2 m

150

200

125

200

Marquis Salon 13Plan this room →

972 sq ft90 m²

10.6 ft3.2 m

100

Marquis Salon 14Plan this room →

972 sq ft90 m²

10.6 ft3.2 m

100

Marquis Salon 15Plan this room →

972 sq ft90 m²

10.6 ft3.2 m

100

Marquis Salon 16Plan this room →

504 sq ft47 m²

10.6 ft3.2 m

Marquis Salon 17Plan this room →

504 sq ft47 m²

10.6 ft3.2 m

Marquis Salon 2Plan this room →

1,584 sq ft147 m²

22 ft6.7 m

120

150

Marquis Salon 3Plan this room →

1,584 sq ft147 m²

22 ft6.7 m

120

150

Marquis Salon 4Plan this room →

1,680 sq ft156 m²

22 ft6.7 m

120

150

Marquis Salon 5Plan this room →

8,024 sq ft745 m²

22 ft6.7 m

650

775

450

775

—

Marquis Salon 6Plan this room →

8,024 sq ft745 m²

22 ft6.7 m

650

775

450

775

—

Marquis Salon 7Plan this room →

1,680 sq ft156 m²

22 ft6.7 m

120

150

Marquis Salon 8Plan this room →

1,584 sq ft147 m²

22 ft6.7 m

120

150

Marquis Salon 9Plan this room →

1,584 sq ft147 m²

22 ft6.7 m

120

150

MintPlan this room →

1,026 sq ft95 m²

10.6 ft3.2 m

100

MonumentPlan this room →

1,539 sq ft143 m²

10.6 ft3.2 m

100

140

150

Mount Vernon SquarePlan this room →

945 sq ft88 m²

10.6 ft3.2 m

Penn QuarterPlan this room →

294 sq ft27 m²

10.6 ft3.2 m

—

PentagonPlan this room →

408 sq ft38 m²

10.6 ft3.2 m

Rose Garden BoardroomPlan this room →

576 sq ft54 m²

7.6 ft2.3 m

—

Scarlet OakPlan this room →

1,248 sq ft116 m²

12.6 ft3.8 m

110

SenatePlan this room →

798 sq ft74 m²

10.6 ft3.2 m

—

ShawPlan this room →

1,960 sq ft182 m²

10.6 ft3.2 m

140

200

190

Silver LindenPlan this room →

1,248 sq ft116 m²

12.6 ft3.8 m

110

Supreme CourtPlan this room →

1,215 sq ft113 m²

10.6 ft3.2 m

100

110

TreasuryPlan this room →

1,026 sq ft95 m²

10.6 ft3.2 m

100

TulipPlan this room →

1,248 sq ft116 m²

12.6 ft3.8 m

110

Union StationPlan this room →

1,296 sq ft120 m²

10.6 ft3.2 m

140

125

University of DCPlan this room →

2,016 sq ft187 m²

10.6 ft3.2 m

150

200

110

200

Woodley ParkPlan this room →

432 sq ft40 m²

10.6 ft3.2 m

Additional spaces (dimensions only) (3)

Additional spaces with published dimensions only at Marriott Marquis Washington, DC
Space	Sq ft / m²	Ceiling
Dahlia FoyerPlan this room →	322 sq ft30 m²	7.6 ft2.3 m
Rose Garden FoyerPlan this room →	312 sq ft29 m²	7.6 ft2.3 m
Union Station FoyerPlan this room →	170 sq ft16 m²	10.6 ft3.2 m

Figures from published venue data; blank cells mean the venue hasn’t published that number. Verify final counts with the venue.

Sizing another room? Try the event room capacity calculator or the floor plan scale converter, or compare the largest event spaces in Washington.

Frequently asked questions

What is the floor plan of Marriott Marquis Washington, DC?

Marriott Marquis Washington, DC has 86 rooms. The largest space is Marquis Ballroom, 30,600 sq ft (225 × 136 ft). Every room's dimensions and seating capacity by setup are listed on this page. Marriott Marquis Washington, DC's own floor plans are published on its website, linked from this page.

How many event rooms does Marriott Marquis Washington, DC have?

Marriott Marquis Washington, DC has 86 rooms. 113 configurations are listed on this page.

What is the largest space at Marriott Marquis Washington, DC?

Marquis Ballroom, 30,600 sq ft: 225 × 136 ft, 2,750 banquet / 3,500 theater.

How many people can Marriott Marquis Washington, DC seat for a banquet?

Up to 2,750 in Marquis Ballroom. The next largest room, Marquis Salons 5/6 (combined), seats 1,560.

What is the ceiling height at Marriott Marquis Washington, DC?

The highest ceiling is 22 ft, in Marquis Ballroom.

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