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Harbor Room at Residence Inn by Marriott National Harbor Washington, DC Area

Published dimensions

Harbor Room is 7.6 x 17.1 m (25 x 56 ft), 130 m² (1,399 sq ft), with a 3.4 m (11 ft) ceiling.

Plan view

LED wall that fits

Under a 3.4 m ceiling with 1.5 m trim and 0.3 m clearance you get 3 rows of 500 mm tile flown, which is tight; ground-stack or go lower on trim. Along the 17.1 m wall a Absen A2 Pro wall runs 27 x 3 (4536 x 504 px, 810 kg, 15 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
9thPanel DW1.9 S Pro	1.875 mm	22 x 4 = 88	13.2 x 1.4 m	7040 x 720	422 kg / 931 lb	22.4 kW, 107 A @ 208 V
Absen A2 Pro	2.97 mm	27 x 3 = 81	13.5 x 1.5 m	4536 x 504	810 kg / 1,786 lb	15 kW, 72 A @ 208 V
Absen A3 Pro	3.9 mm	27 x 3 = 81	13.5 x 1.5 m	3456 x 384	770 kg / 1,696 lb	13 kW, 62 A @ 208 V

Wall sizing assumes 1.5 m trim to the bottom edge, 0.3 m clearance under the ceiling, and a wall no wider than 80% of the longest wall. Weight and power are tile totals from the panel spec sheet; add processing, rigging, and cable.

Seating estimate

After a 12 x 7 m stage, Harbor Room holds about 102 theater seats, 41 banquet seats at rounds of 10, or 28 classroom seats. Back row in theater is roughly 10.1 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at Residence Inn by Marriott National Harbor Washington, DC Area

Gatehouse21.9 x 8.5 m (72 x 28 ft) · 3.4 m ceiling
Mariner13.7 x 11 m (45 x 36 ft) · 3.7 m ceiling
Patio16.2 x 7.9 m (53 x 26 ft) · 4 m ceiling
Harbor Room II7.6 x 9.1 m (25 x 30 ft) · 3.4 m ceiling
Harbor Room I7.6 x 7.9 m (25 x 26 ft) · 3.4 m ceiling
Potomac Boardroom5.5 x 6.7 m (18 x 22 ft) · 3.4 m ceiling

Published dimensions (source), fetched 2026-09-05. All rooms at Residence Inn by Marriott National Harbor Washington, DC Area · Venues in National Harbor