The Westin Washington National Harbor — Event Spaces & Capacities

171 Waterfront St, Oxon Hill, MD 20745

The Westin Washington National Harbor in Oxon Hill offers 6 event spaces across 5,824 sq ft541 of function space. The largest room, Potomac Conference Room, hosts up to 150 guests. Explore the floor plans and capacity charts below, or start arranging your own layout in the free planner.

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Floor plans

Detailed floor plans for The Westin Washington National Harbor are published on the venue’s official site.

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Room capacities & dimensions

Room capacities and dimensions for The Westin Washington National Harbor
SpaceSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceU-Shape
BoardroomPlan this room →352 sq ft3314 ft4.3 m162018201212
Harbor TrailPlan this room →50100
Potomac APlan this room →810 sq ft7514 ft4.3 m326040802020
Potomac BPlan this room →1,050 sq ft9814 ft4.3 m6480601002625
Potomac Conference RoomPlan this room →1,860 sq ft17314 ft4.3 m100120801504840
Additional spaces (dimensions only) (1)
Additional spaces with published dimensions only at The Westin Washington National Harbor
SpaceSq ft / m²Ceiling
Pre-FunctionPlan this room →1,752 sq ft163

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