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Skyline Ballroom at McCormick Place W375CDE at Marriott Marquis Chicago

Published dimensions

Skyline Ballroom at McCormick Place W375CDE is 63.4 x 96.9 m (208 x 318 ft), 6,144 m² (66,128 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 96.9 m wall a Absen PL2.5 Plus V2 wall runs 155 x 20 (31000 x 4000 px, 24,180 kg, 496 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
Absen KLCOB 0.78	0.78 mm	129 x 30 = 3870	77.4 x 10.1 m	99072 x 12960	17,415 kg / 38,393 lb	342.5 kW, 1646 A @ 208 V
Absen PL2.5 Plus V2	2.5 mm	155 x 20 = 3100	77.5 x 10 m	31000 x 4000	24,180 kg / 53,307 lb	496 kW, 2385 A @ 208 V
Absen PL3.9 Plus V2	3.9 mm	155 x 20 = 3100	77.5 x 10 m	19840 x 2560	24,180 kg / 53,307 lb	434 kW, 2087 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 W375CDE holds about 13,465 theater seats, 5,508 banquet seats at rounds of 10, or 3,787 classroom seats. Back row in theater is roughly 89.9 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 W37563.6 x 146.6 m (209 x 481 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 W375CD63.4 x 54.9 m (208 x 180 ft) · 12.2 m ceiling
Skyline Ballroom at McCormick Place W375BC63.4 x 54.8 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
Skyline Ballroom at McCormick Place W375C27.4 x 88.4 m (90 x 290 ft) · 12.2 m ceiling
Great Lakes Ballroom51.3 x 45.4 m (168 x 149 ft) · 7.3 m ceiling
Grand Horizon Ballroom51.2 x 45.4 m (168 x 149 ft) · 8.8 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 2026-09-05. All rooms at Marriott Marquis Chicago · Venues in Chicago