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 m² 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.
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
| Space | Sq ft / m² | Ceiling | Banquet | Theater | Classroom | Reception | Conference | U-Shape |
|---|---|---|---|---|---|---|---|---|
| BoardroomPlan this room → | 352 sq ft33 m² | 14 ft4.3 m | 16 | 20 | 18 | 20 | 12 | 12 |
| Harbor TrailPlan this room → | — | — | 50 | — | — | 100 | — | — |
| Potomac APlan this room → | 810 sq ft75 m² | 14 ft4.3 m | 32 | 60 | 40 | 80 | 20 | 20 |
| Potomac BPlan this room → | 1,050 sq ft98 m² | 14 ft4.3 m | 64 | 80 | 60 | 100 | 26 | 25 |
| Potomac Conference RoomPlan this room → | 1,860 sq ft173 m² | 14 ft4.3 m | 100 | 120 | 80 | 150 | 48 | 40 |
Additional spaces (dimensions only) (1)
| Space | Sq ft / m² | Ceiling |
|---|---|---|
| Pre-FunctionPlan this room → | 1,752 sq ft163 m² | — |
Figures from published venue data; blank cells mean the venue hasn’t published that number. Verify final counts with the venue.