Indianapolis Marriott Downtown — Event Spaces, Floor Plans & Capacities

350 W Maryland St, Indianapolis, IN 46225

Planning an event in Indianapolis? Indianapolis Marriott Downtown has 40 function rooms across 83,173 sq ft7,727 m² of function space. The largest room, Marriott Ballroom, hosts up to 2,500 guests. Capacity figures for every setup style are listed per room below.

Between them, the 40 rooms accommodate theater-style sessions for up to 2,500, seated banquets for 1,500 and standing receptions for 2,500. 14 smaller rooms suit breakouts and board meetings. Per-room dimensions and every published setup figure are listed below.

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Floor plans

Detailed floor plans for Indianapolis Marriott Downtown are published on the venue’s official site.

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Room capacities & dimensions

Room capacities and dimensions for Indianapolis Marriott Downtown
SpaceCeiling
Indiana BallroomPlan this room →8,320 sq ft773 m²14 ft4.3 m630800400800——
Indiana APlan this room →620 sq ft58 m²14 ft4.3 m405025502422
Indiana BPlan this room →620 sq ft58 m²14 ft4.3 m405025502422
Indiana CPlan this room →620 sq ft58 m²14 ft4.3 m405025502422
Indiana DPlan this room →620 sq ft58 m²14 ft4.3 m405025502422
Indiana EPlan this room →3,280 sq ft305 m²14 ft4.3 m280400200350—50
Indiana FPlan this room →1,209 sq ft112 m²14 ft4.3 m80110551003434
Indiana GPlan this room →1,209 sq ft112 m²14 ft4.3 m80110551003434
ColoradoPlan this room →625 sq ft58 m²12 ft3.7 m405024502420
FloridaPlan this room →644 sq ft60 m²12 ft3.7 m406026602420
IllinoisPlan this room →621 sq ft58 m²12 ft3.7 m406026602420
MichiganPlan this room →621 sq ft58 m²12 ft3.7 m406026602420
TexasPlan this room →621 sq ft58 m²12 ft3.7 m406026602424
UtahPlan this room →621 sq ft58 m²12 ft3.7 m304020402016
Marriott BallroomPlan this room →21,008 sq ft1,952 m²22 ft6.7 m1,5002,5001,2202,500——
Marriott 1Plan this room →1,196 sq ft111 m²17 ft5.2 m80110601003634
Marriott 2Plan this room →1,196 sq ft111 m²17 ft5.2 m80110601003634
Marriott 3Plan this room →1,196 sq ft111 m²17 ft5.2 m80110601003634
Marriott 4Plan this room →1,196 sq ft111 m²17 ft5.2 m80110601003634
Marriott 5Plan this room →5,720 sq ft531 m²22 ft6.7 m450700375600——
Marriott 6Plan this room →5,720 sq ft531 m²22 ft6.7 m450700375600——
Marriott 7Plan this room →1,196 sq ft111 m²17 ft5.2 m80120701004034
Marriott 8Plan this room →1,196 sq ft111 m²17 ft5.2 m80120701004034
Marriott 9Plan this room →1,196 sq ft111 m²17 ft5.2 m80120701004034
Marriott 10Plan this room →1,196 sq ft111 m²17 ft5.2 m80120701004034
Marriott 5 & 6 (combined)Plan this room →11,440 sq ft1,063 m²22 ft6.7 m9001,4006501,200——
AtlantaPlan this room →464 sq ft43 m²12 ft3.7 m304021302016
AustinPlan this room →336 sq ft31 m²12 ft3.7 m202818201414
BostonPlan this room →336 sq ft31 m²12 ft3.7 m202818201414
ColumbusPlan this room →464 sq ft43 m²12 ft3.7 m304021302016
DenverPlan this room →675 sq ft63 m²12 ft3.7 m506028602624
LincolnPlan this room →1,232 sq ft114 m²12 ft3.7 m80100601204034
PhoenixPlan this room →288 sq ft27 m²12 ft3.7 m121212201414
Santa FePlan this room →1,232 sq ft114 m²12 ft3.7 m80100601204034
Albany RoomPlan this room →224 sq ft21 m²12 ft3.7 m1014122010—
Indianapolis BoardroomPlan this room →435 sq ft40 m²—————12—
KentuckyPlan this room →1,176 sq ft109 m²13 ft4 m70120701304034
ArizonaPlan this room →504 sq ft47 m²13 ft4 m204024502016
CaliforniaPlan this room →900 sq ft84 m²13 ft4 m5080501002824
TennesseePlan this room →1,200 sq ft111 m²13 ft4 m70120701304034

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

Frequently asked questions

How many event spaces does Indianapolis Marriott Downtown have?
Indianapolis Marriott Downtown has 40 event spaces totaling 83,173 sq ft.
What is the largest event space at Indianapolis Marriott Downtown?
The largest event space at Indianapolis Marriott Downtown is Marriott Ballroom, which holds up to 2,500 guests across 21,008 sq ft.
What is the banquet capacity of Marriott Ballroom at Indianapolis Marriott Downtown?
Marriott Ballroom seats up to 1,500 guests in a banquet layout.
How many people fit in Marriott Ballroom theater-style?
Marriott Ballroom holds up to 2,500 guests in a theater setup.
What are the dimensions of Marriott Ballroom?
Marriott Ballroom measures 202 × 104 ft (21,008 sq ft) with 22 ft ceilings.

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