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

1331 Pennsylvania Ave NW, Washington, DC 20004

33 rooms · largest space: Grand Ballroom, 13,030 sq ft1,211 m²

JW Marriott Washington, DC in Washington offers 33 event rooms. The largest space is Grand Ballroom, 13,030 sq ft1,211 m². It holds up to 1,520 guests. Explore the floor plans and capacity charts below, or start arranging your own layout in the free planner.

Plan an event in Grand Ballroom: open a free to-scale layout seating 900 at round tables in its 76 × 180 ft footprint at floors.live/start — no account needed.

Across its 33 rooms, JW Marriott Washington, DC handles theater-style sessions for up to 1,200, seated banquets for 1,100 and standing receptions for 1,520. 7 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 JW Marriott Washington, DC’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/washington-dc/washington/jw-marriott-washington-dc/?claim=1.

Floor plans

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

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

Work at JW Marriott Washington, DC? to publish your official floor plans and 360° tours here — free.

Room capacities & dimensions

33 rooms, 35 configurations. Combined and divided set-ups are listed under their room.

Room capacities and dimensions for JW Marriott Washington, DC
SpaceCeiling
CannonPlan this room →580 sq ft54 m²11 ft3.4 m506040602024
Capitol BallroomPlan this room →7,065 sq ft656 m²12.1 ft3.7 m550800480800——
CommercePlan this room →570 sq ft53 m²11 ft3.4 m506040602024
CongressionalPlan this room →735 sq ft68 m²8 ft2.4 m607548802225
DirksenPlan this room →650 sq ft60 m²7 ft2.1 m506040602024
Grand BallroomPlan this room →13,030 sq ft1,211 m²14 ft4.3 m1,1001,2008001,520——
HartPlan this room →600 sq ft56 m²11 ft3.4 m506040602024
JusticePlan this room →650 sq ft60 m²8 ft2.4 m——40———
LongworthPlan this room →625 sq ft58 m²7 ft2.1 m506040602024
RayburnPlan this room →650 sq ft60 m²7 ft2.1 m506040602024
RussellPlan this room →580 sq ft54 m²10.5 ft3.2 m506040602024
Salon APlan this room →590 sq ft55 m²12 ft3.7 m505040502020
2 configurations with Salon A
Combined and divided set-ups that include Salon A
ConfigurationSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceU-Shape
Salon D (A+B+C)Plan this room →1,835 sq ft170 m²12 ft3.7 m140190120200—40
Salon G (H+J+K)Plan this room →1,860 sq ft173 m²12 ft3.7 m140190120200—40
Salon BPlan this room →620 sq ft58 m²12 ft3.7 m505040502020
Salon CPlan this room →625 sq ft58 m²12 ft3.7 m505040502020
Salon EPlan this room →1,685 sq ft157 m²12 ft3.7 m140190120200—40
Salon FPlan this room →1,685 sq ft157 m²12 ft3.7 m140190120200—40
Salon HPlan this room →630 sq ft59 m²12 ft3.7 m505040502020
Salon IPlan this room →3,215 sq ft299 m²14 ft4.3 m260300200380—60
Salon IIPlan this room →3,330 sq ft309 m²14 ft4.3 m260300200380—60
Salon IIIPlan this room →3,330 sq ft309 m²14 ft4.3 m260300200380—60
Salon IVPlan this room →3,155 sq ft293 m²14 ft4.3 m260300200380—60
Salon JPlan this room →640 sq ft59 m²12 ft3.7 m505040502020
Salon KPlan this room →640 sq ft59 m²12 ft3.7 m505040502020
SenatePlan this room →745 sq ft69 m²8 ft2.4 m607548802225
StatePlan this room →605 sq ft56 m²11 ft3.4 m506040602024
Terrace AreaPlan this room →7,000 sq ft650 m²————300——
TreasuryPlan this room →605 sq ft56 m²11 ft3.4 m506040602024
Additional spaces (dimensions only) (6)
Additional spaces with published dimensions only at JW Marriott Washington, DC
SpaceSq ft / m²Ceiling
Capitol RegistrationPlan this room →430 sq ft40 m²—
Grand RegistrationPlan this room →470 sq ft44 m²—
IndependencePlan this room →440 sq ft41 m²—
Meeting Level Pre-Function AreaPlan this room →6,090 sq ft566 m²—
Penn Ave LevelPlan this room →3,530 sq ft328 m²—
Pre-function AreaPlan this room →10,545 sq ft980 m²—

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 JW Marriott Washington, DC?

JW Marriott Washington, DC has 33 rooms. The largest space is Grand Ballroom, 13,030 sq ft (76 × 180 ft). Every room's dimensions and seating capacity by setup are listed on this page. JW Marriott Washington, DC's own floor plans are published on its website, linked from this page.

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

JW Marriott Washington, DC has 33 rooms. 35 configurations are listed on this page.

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

Grand Ballroom, 13,030 sq ft: 76 × 180 ft, 1,100 banquet / 1,200 theater.

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

Up to 1,100 in Grand Ballroom. The next largest room, Capitol Ballroom, seats 550.

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

The highest ceiling is 14 ft, in Grand Ballroom.

More event venues near Washington

All 19 event venues in Washington, DC →

Nearest venues to JW Marriott Washington, DC

Other event venues in Washington, DC

Venues with similar capacity (~1,520 guests)