MT Unions
Buildings / Facility Overviews
MT Unions Facility Inventory Technical Information
Please use the following matrix in determining the capacity, size, and needs for your event.
Bldg | Number | Title | Dimensions | Area (Sq. Ft) | Ceiling | Conference | Theatre | Classroom | Banquet | Reception |
---|---|---|---|---|---|---|---|---|---|---|
Union | 210 | Conference | 32’x 24′ | 796 | 10′ | 30 | ||||
Union | 210A | Conference | 16′ x 24′ | 398 | 10′ | 18 | ||||
Union | 210B | Conference | 16′ x 24′ | 398 | 10′ | 18 | ||||
Union | 218 | Conference | 17′ x 25′ | 446 | 10′ | 18 | ||||
Union | 220 | Conference | 34′ x 35′ | 1226 | 10′ | 48 | 72 | |||
Union | 220A | Conference | 17′ x 35′ | 613 | 10′ | 24 | 36 | |||
Union | 220B | Conference | 18′ x 35′ | 613 | 10′ | 24 | 36 | |||
Union | 221 | Conference | 32’x 23′ | 725 | 10′ | 30 | 30 | |||
Union | 221A | Conference | 16′ x 23′ | 362 | 10′ | 18 | 18 | |||
Union | 221B | Conference | 16′ x 23′ | 362 | 10′ | 18 | 18 | |||
Union | 224 | Conference | 34′ x 36′ | 1219 | 10′ | 48 | 72 | |||
Union | 225 | Conference | 20′ x 25′ | 504 | 10′ | 12 | 40 | 18 | ||
Union | 227 | Conference | 23′ x 18′ | 419 | 10′ | 12 | 40 | 18 | ||
Keathley | 314 | Conference | 37′ x 19′ | 715 | 10′ | 30 | 30 | |||
Keathley | 315 | Conference | 22′ x 14′ | 298 | 10′ | 12 | ||||
Keathley | 318 | Conference | 32’6″ x 19′ | 624 | 10′ | 24 | 24 | |||
Keathley | 322 | Conference | 46′ x 38′ | 1748 | 10′ | 48 | 80 | |||
Keathley | 322A | Conference | 23′ x 38′ | 874 | 10′ | 24 | ||||
Keathley | 322B | Conference | 23′ x 38′ | 874 | 10′ | 24 | ||||
Keathley | 324 | Conference | 46′ x 38′ | 1760 | 10′ | 80 | 120 | 80 | 150 | |
Keathley | 209 | Theatre | 43′ x 67′ | 2465 | 10′ | 280 | 280 | |||
James | 207 | Dining | 34′ x 40′ | 1335 | 10′ | 80 | 50 | 50 | 100 | |
James | 305 | Dining | 34′ x 51” | 1556 | 10′ | 88 | 60 | 60 | 110 | |
James | 250 | Ballroom | 110′ x 51′ | 6463 | 18′ | 550 | 400 | 350 | 700 | |
Union | 250 | Grand Ballroom | 81’6″ x 156’7″ | 13033 | 20′ | 1500 | 1250 | 850 | 1864 | |
Union | 250A | Ballroom A | 40’3″ x 52′ | 2172 | 20′ | 250 | 150 | 100 | 310 | |
Union | 250B | Ballroom B | 40’3″ x 52′ | 2172 | 20′ | 250 | 150 | 100 | 310 | |
Union | 250C | Ballroom C | 81’6″ x 52′ | 4344 | 20′ | 250 | 150 | 100 | 310 | |
Union | 250D | Ballroom D | 40’3″ x 52′ | 2172 | 20′ | 250 | 150 | 100 | 310 | |
Union | 250E | Ballroom E | 40’3″ x 52′ | 2172 | 20′ | 250 | 150 | 100 | 310 | |
Union | 250AB | Ballroom A/B | 81’6″ x 52′ | 4344 | 20′ | 500 | 300 | 200 | 620 | |
Union | 250DE | Ballroom D/E | 81’6″ x 52′ | 4344 | 20′ | 500 | 300 | 200 | 620 | |
Union | 250ABC | Ballroom A/B/C | 81’6″ x 104’7″ | 8688 | 20′ | 1000 | 600 | 400 | 1240 | |
Union | 250CDE | Ballroom C/D/E | 81’6″ x 104’7″ | 8688 | 20′ | 1000 | 600 | 400 | 1240 | |
Union | 206 | The Gallery | 1764 | 10 | 48 | 120 | 90 | 90 | 150 | |
Union | 201 | Parliamentary Tiered Seating | 1951 | Varies | 86 | 86 |
![STU Ballroom Setup](https://www.mtsu.edu/mtunions/wp-content/uploads/sites/65/2024/05/Covid_Harry_Potter-1024x663.jpg)
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Building Hours
Monday - Friday
6:00 AM - 10:30 PM
Saturday
8:00 AM - 6:00 PM
Sunday
12:00 PM - 10:30 PM
The Campus Life Desk in the Student Union
Atrium will be staffed daily from 8:00 AM - 4:30 PM.
*Closed Memorial Day, July 4, Labor Day, MLK Day