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Great Lakes 3 (D and E) at The Westin Michigan Avenue Chicago

Published dimensions

Great Lakes 3 (D and E) is 22.6 x 10.7 m (74 x 35 ft), 242 m² (2,603 sq ft), with a 4 m (13 ft) ceiling.

Plan view

LED wall that fits

Under a 4 m ceiling with 1.5 m trim and 0.3 m clearance you get 4 rows of 500 mm tile flown. Along the 22.6 m wall a Absen PL2.5 Plus V2 wall runs 36 x 4 (7200 x 800 px, 1,123 kg, 23 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
Absen KLCOB 0.78	0.78 mm	30 x 6 = 180	18 x 2 m	23040 x 2592	810 kg / 1,786 lb	15.9 kW, 77 A @ 208 V
Absen PL2.5 Plus V2	2.5 mm	36 x 4 = 144	18 x 2 m	7200 x 800	1,123 kg / 2,476 lb	23 kW, 111 A @ 208 V
Absen PL3.9 Plus V2	3.9 mm	36 x 4 = 144	18 x 2 m	4608 x 512	1,123 kg / 2,476 lb	20.2 kW, 97 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, Great Lakes 3 (D and E) holds about 350 theater seats, 143 banquet seats at rounds of 10, or 98 classroom seats. Back row in theater is roughly 15.6 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at The Westin Michigan Avenue Chicago

Great Lakes Grand Ballroom22.3 x 32.9 m (73 x 108 ft) · 4 m ceiling
Ontario and Erie28.3 x 18.6 m (93 x 61 ft) · 3.7 m ceiling
Michigan Ballroom16.8 x 30.2 m (55 x 99 ft) · 3.7 m ceiling
Michigan I-II30.2 x 16.8 m (99 x 55 ft) · 3.7 m ceiling
Great Lakes West22.3 x 17.1 m (73 x 56 ft) · 4 m ceiling
Great Lakes East22.3 x 15.5 m (73 x 51 ft) · 4 m ceiling
Chicago Ballroom17.1 x 18.9 m (56 x 62 ft) · 3 m ceiling
Millennium Park25 x 12.2 m (82 x 40 ft) · 2.4 m ceiling
Great Lakes Foyer26.5 x 9.1 m (87 x 30 ft) · 4 m ceiling
Great Lakes 2 (Prefunction & C)20.1 x 11.3 m (66 x 37 ft) · 4 m ceiling
Great Lakes 1 (A and B)20.1 x 10.7 m (66 x 35 ft) · 4 m ceiling
Huron Room28.3 x 6.1 m (93 x 20 ft) · 3.7 m ceiling

Published dimensions (source), fetched 2026-09-04. All rooms at The Westin Michigan Avenue Chicago · Venues in Chicago