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JW Marriott Indianapolis Ballroom Capacities, Meeting Rooms & Floorplate Specs (102,755 Sq. Ft.)

Verified specs for 26 meeting rooms and the 40,500 sq. ft. main ballroom in Indianapolis, IN.

JW Marriott Indianapolis β€” Ballroom, Foyer & Breakout Capacity Matrix

102,755 sq. ft. total event space across 26 dedicated meeting rooms.

Functional Space Tier Sq. Ft. Ceiling Theater Banquet (10s) Classroom 10Γ—10 Booths Rental Waiver Rule
Grand Pillarless Ballroom (Main General Session)
Keynote, General Session & Plated Gala Anchor
40,500 sq. ft. 28'–32' Clear 4,263 3,000 2,531 203 booths $0 Rental w/ $42,000 F&B Min
Junior Ballroom & Divisional Plated Dining Hall
Luncheons, Partner Summits & VIP Receptions
19,440 sq. ft. 18'–22' Clear 2,046 1,440 1,215 97 booths $0 Rental w/ $21,000 F&B Min
Pre-Function Registration & Sponsor Showcase Concourse
Badge Pickup, Tabletop Sponsors & Networking Breaks
18,496 sq. ft. 16'–24' Atrium 1,541 1,233 925 92 booths Included w/ Grand Ballroom License
Executive Breakout & Boardroom Wing (26 Rooms Total)
1-on-1 Enterprise Deal Rooms, Track Breakouts & Speaker Ready
4,860 sq. ft. 12'–16' Clear 486 347 286 24 booths $0 w/ 50+ Peak Night Room Block

JW Marriott Indianapolis β€” 8-Row Master Property & Group Contract Summary

Guest Room Inventory & Peak Group Allocation
1,013 Total Keys Β· Up to 425 Peak Group Block Rooms
Standard 1-per-40 cumulative complimentary room credit; request 1-per-35 comp ratio + 3 VIP suite upgrades at group rates during RFP.
Total Event Space & Breakout Room Ratio
102,755 Sq. Ft. Total Β· 26 Dedicated Meeting & Breakout Rooms
Optimal for 608–4,263 attendee conferences requiring simultaneous keynote and breakout tracks.
Largest Pillarless Ballroom Capacity
40,500 Sq. Ft. Β· 4,263 Theater Β· 3,000 Plated Banquet
Divisible soundproof airwalls; supports up to 203 standard 10Γ—10 tabletop/exhibit booths (~200 gross sq. ft./booth) with 24-hour hold option.
Primary Convention Campus Connectivity
Indianapolis Convention Center (8–12 min official show shuttle / rideshare)
Primary headquarter and exhibitor room-block anchor serving Indianapolis Convention Center.
Airport Transfer & Motorcoach Staging
IND (Indianapolis International Airport) Β· 9.5 mi (15 mins off-peak / 26–36 mins peak)
Dedicated group porte-cochere / motorcoach staging lane available with 14-day advance manifest submission to hotel convention services.
Nightly Room Rate, Resort Fee & Tax Structure
$279/nt Group Block vs. $469/nt Peak Rack Β· 14.5% Indianapolis Municipal & State Lodging Tax
Mandatory $30/nt resort/destination fee is 100% waived when contracted through the Conventions.com Housing Desk (saves $252/room/night all-in).
Banquet F&B '++' Multiplier & Catering Minimums
$42,000 Ballroom Waiver Min Β· 24% Service + 8% Tax (+33.9% Effective)
Contract F&B minimums on a cumulative multi-day program basis (breakfasts + breaks + reception combined) rather than per-room/per-day minimums.
Attrition, Cutoff & Cancellation Protection
80% Cumulative Pickup Allowance Β· 30-Day Cutoff Β· 100% Rebooking Resell Credit
Always insist on cumulative (not night-by-night) attrition calculation and a 'Resell Mitigation Clause' crediting any rooms resold by the hotel after cutoff.