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Skyline Ballroom at McCormick Place W375ABC at Marriott Marquis Chicago

Published dimensions

Skyline Ballroom at McCormick Place W375ABC is 63.4 x 76.8 m (208 x 252 ft), 4,869 m² (52,411 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 76.8 m wall a Absen A2 Pro wall runs 122 x 20 (20496 x 3360 px, 24,400 kg, 451.4 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
9thPanel DW1.9 S Pro	1.875 mm	102 x 30 = 3060	61.2 x 10.1 m	32640 x 5400	14,688 kg / 32,381 lb	777.2 kW, 3737 A @ 208 V
Absen A2 Pro	2.97 mm	122 x 20 = 2440	61 x 10 m	20496 x 3360	24,400 kg / 53,792 lb	451.4 kW, 2170 A @ 208 V
Absen A3 Pro	3.9 mm	122 x 20 = 2440	61 x 10 m	15616 x 2560	23,180 kg / 51,103 lb	390.4 kW, 1877 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 W375ABC holds about 10,633 theater seats, 4,350 banquet seats at rounds of 10, or 2,990 classroom seats. Back row in theater is roughly 69.8 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 W375CDE63.4 x 96.9 m (208 x 318 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