The Westin Great Southern Columbus — Event Spaces, Floor Plans & Capacities

31 E Main St, Columbus, OH 43215

8 rooms · largest space: Grand Ballroom, 4,140 sq ft385 m²

Planning an event in Columbus? The Westin Great Southern Columbus has 8 meeting and event rooms. The largest space is Grand Ballroom, 4,140 sq ft385 m². It holds up to 420 guests. Capacity figures for every setup style are listed per room below.

Plan an event in Grand Ballroom: open a free to-scale layout seating 210 at round tables in its 46 × 90 ft footprint at floors.live/start — no account needed.

Between them, the 8 rooms accommodate theater-style sessions for up to 400, seated banquets for 300 and standing receptions for 420. 3 smaller rooms suit breakouts and board meetings. Per-room dimensions and every published setup figure are listed below.

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Unverified listing — compiled from The Westin Great Southern Columbus’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/ohio/columbus/the-westin-great-southern-columbus/?claim=1.

Floor plans

Detailed floor plans for The Westin Great Southern Columbus are published on the venue’s official site.

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Room capacities & dimensions

8 rooms

Room capacities and dimensions for The Westin Great Southern Columbus
Space	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Reception	Conference	U-Shape
Grand BallroomPlan this room →	4,140 sq ft385 m²	25 ft7.6 m	300	400	240	420	80	115
SenecaPlan this room →	1,250 sq ft116 m²	15 ft4.6 m	120	195	96	195	60	50
ChittendenPlan this room →	550 sq ft51 m²	15 ft4.6 m	30	60	40	60	30	28
HartmanPlan this room →	335 sq ft31 m²	15 ft4.6 m	30	25	20	30	18	15
DeshlerPlan this room →	315 sq ft29 m²	15 ft4.6 m	30	25	15	30	16	16
ThurberPlan this room →	960 sq ft89 m²	10 ft3 m	80	100	60	100	36	30
Vendome BoardroomPlan this room →	375 sq ft35 m²	15 ft4.6 m	—	—	—	—	12	—
Great Southern GalleryPlan this room →	1,200 sq ft111 m²	6.6 ft2 m	70	60	35	90	20	15

Figures from published venue data; blank cells mean the venue hasn’t published that number. Verify final counts with the venue.

Sizing another room? Try the event room capacity calculator or the floor plan scale converter.

Frequently asked questions

What is the floor plan of The Westin Great Southern Columbus?

The Westin Great Southern Columbus has 8 rooms. The largest space is Grand Ballroom, 4,140 sq ft (46 × 90 ft). Every room's dimensions and seating capacity by setup are listed on this page. The Westin Great Southern Columbus's own floor plans are published on its website, linked from this page.

How many event rooms does The Westin Great Southern Columbus have?

The Westin Great Southern Columbus has 8 rooms.

What is the largest space at The Westin Great Southern Columbus?

Grand Ballroom, 4,140 sq ft: 46 × 90 ft, 300 banquet / 400 theater.

How many people can The Westin Great Southern Columbus seat for a banquet?

Up to 300 in Grand Ballroom. The next largest room, Seneca, seats 120.

What is the ceiling height at The Westin Great Southern Columbus?

The highest ceiling is 25 ft, in Grand Ballroom.

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