AC Hotel National Harbor Washington, DC Area — Event Spaces, Floor Plans & Capacities

156 Waterfront St, Oxon Hill, MD 20745

6 rooms · largest space: Courtyard, 3,000 sq ft279 m²

AC Hotel National Harbor Washington, DC Area in Oxon Hill offers 6 event rooms. The largest space is Courtyard, 3,000 sq ft279 m². It holds up to 85 guests. Explore the floor plans and capacity charts below, or start arranging your own layout in the free planner.

Plan an event in National Harbor I: open a free to-scale layout seating 40 at round tables in its 39 × 38 ft footprint at floors.live/start — no account needed.

Across its 6 rooms, AC Hotel National Harbor Washington, DC Area handles theater-style sessions for up to 90, seated banquets for 80 and standing receptions for 90. 2 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 AC Hotel National Harbor Washington, DC Area’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/maryland/oxon-hill/ac-hotel-national-harbor-washington-dc-area/?claim=1.

Floor plans

Detailed floor plans for AC Hotel National Harbor Washington, DC Area 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

6 rooms

Room capacities and dimensions for AC Hotel National Harbor Washington, DC Area
Space	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Reception	Conference	U-Shape
CourtyardPlan this room →	3,000 sq ft279 m²	—	—	—	—	85	—	—
Media SalonPlan this room →	280 sq ft26 m²	11 ft3.4 m	—	—	—	—	6	—
Meeting SalonPlan this room →	280 sq ft26 m²	11 ft3.4 m	—	—	—	—	6	—
National Harbor IPlan this room →	1,472 sq ft137 m²	11.6 ft3.5 m	80	90	78	80	24	33
National Harbor IIPlan this room →	1,384 sq ft129 m²	11.6 ft3.5 m	80	90	78	90	24	33
National Harbor IIIPlan this room →	837 sq ft78 m²	11.6 ft3.5 m	48	50	48	56	18	24

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.

Frequently asked questions

What is the floor plan of AC Hotel National Harbor Washington, DC Area?

AC Hotel National Harbor Washington, DC Area has 6 rooms. The largest space is Courtyard, 3,000 sq ft. Every room's dimensions and seating capacity by setup are listed on this page. AC Hotel National Harbor Washington, DC Area's own floor plans are published on its website, linked from this page.

How many event rooms does AC Hotel National Harbor Washington, DC Area have?

AC Hotel National Harbor Washington, DC Area has 6 rooms.

What is the largest space at AC Hotel National Harbor Washington, DC Area?

Courtyard, 3,000 sq ft.

How many people can AC Hotel National Harbor Washington, DC Area seat for a banquet?

Up to 80 in National Harbor I.

What is the ceiling height at AC Hotel National Harbor Washington, DC Area?

The highest ceiling is 11.6 ft, in National Harbor I.

More event venues near Oxon Hill

All 2 event venues in Oxon Hill, MD →

Nearest venues to AC Hotel National Harbor Washington, DC Area

The Westin Washington National Harbor · Oxon Hill, MD · 0.1 mi straight-line
Sheraton Suites Old Town Alexandria · Alexandria, VA · 2.5 mi straight-line
Hilton Alexandria Old Town · Alexandria, VA · 2.8 mi straight-line