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Skyline Ballroom at McCormick Place W375C at Marriott Marquis Chicago

Published dimensions

Skyline Ballroom at McCormick Place W375C is 27.4 x 88.4 m (90 x 290 ft), 2,422 m² (26,072 sq ft), with a 12.2 m (40 ft) ceiling.

Open in 3D previz

Plan view

LED wall that fits

Under a 12.2 m ceiling with 1.5 m trim and 0.3 m clearance you get 20 rows of 500 mm tile flown. Along the 88.4 m wall a Absen PL2.5 Plus V2 wall runs 141 x 20 (28200 x 4000 px, 21,996 kg, 451.2 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
Absen KLCOB 0.78	0.78 mm	117 x 30 = 3510	70.2 x 10.1 m	89856 x 12960	15,795 kg / 34,822 lb	310.6 kW, 1493 A @ 208 V
Absen PL2.5 Plus V2	2.5 mm	141 x 20 = 2820	70.5 x 10 m	28200 x 4000	21,996 kg / 48,492 lb	451.2 kW, 2169 A @ 208 V
Absen PL3.9 Plus V2	3.9 mm	141 x 20 = 2820	70.5 x 10 m	18048 x 2560	21,996 kg / 48,492 lb	394.8 kW, 1898 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, Skyline Ballroom at McCormick Place W375C holds about 5,195 theater seats, 2,125 banquet seats at rounds of 10, or 1,461 classroom seats. Back row in theater is roughly 81.4 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at Marriott Marquis Chicago

Skyline Ballroom at McCormick Place W37563.7 x 146.6 m (209 x 481 ft) · 12.2 m ceiling
Skyline Ballroom at McCormick Place W375CDE63.4 x 96.9 m (208 x 318 ft) · 12.2 m ceiling
Skyline Ballroom at McCormick Place W375ABC63.4 x 76.8 m (208 x 252 ft) · 12.2 m ceiling
Skyline Ballroom at McCormick Place W375DE60 x 69.5 m (197 x 228 ft) · 12.2 m ceiling
Skyline Ballroom at McCormick Place W375BC63.4 x 54.9 m (208 x 180 ft) · 12.2 m ceiling
Skyline Ballroom at McCormick Place W375CD63.4 x 54.9 m (208 x 180 ft) · 12.2 m ceiling
Skyline Ballroom at McCormick Place W375AB63.4 x 49.4 m (208 x 162 ft) · 12.2 m ceiling
Skyline Ballroom at McCormick Place W375E60 x 42.4 m (197 x 139 ft) · 12.2 m ceiling
Grand Horizon Ballroom51.2 x 45.4 m (168 x 149 ft) · 8.8 m ceiling
Great Lakes Ballroom51.2 x 45.4 m (168 x 149 ft) · 7.3 m ceiling
Skyline Ballroom at McCormick Place W375D27.4 x 63.7 m (90 x 209 ft) · 12.2 m ceiling
Skyline Ballroom at McCormick Place W375B63.4 x 27.4 m (208 x 90 ft) · 12.2 m ceiling

Published dimensions (source), fetched 2026-09-04. All rooms at Marriott Marquis Chicago · Venues in Chicago