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JW Marriott Marquis Miami Ballroom Capacities, Meeting Rooms & Floorplate Specs (41,364 Sq. Ft.)
Verified specs for 14 meeting rooms and the 18,426 sq. ft. main ballroom in Miami, FL.
JW Marriott Marquis Miami — Ballroom, Foyer & Breakout Capacity Matrix
41,364 sq. ft. total event space across 14 dedicated meeting rooms.
| Functional Space Tier | Sq. Ft. | Ceiling | Theater | Banquet (10s) | Classroom | 10×10 Booths | Rental Waiver Rule |
|---|---|---|---|---|---|---|---|
| Grand Pillarless Ballroom (Main General Session) Keynote, General Session & Plated Gala Anchor | 18,426 sq. ft. | 22'–26' Clear | 1,940 | 1,365 | 1,152 | 92 booths | $0 Rental w/ $28,000 F&B Min |
| Junior Ballroom & Divisional Plated Dining Hall Luncheons, Partner Summits & VIP Receptions | 8,844 sq. ft. | 18'–22' Clear | 931 | 655 | 553 | 44 booths | $0 Rental w/ $14,000 F&B Min |
| Pre-Function Registration & Sponsor Showcase Concourse Badge Pickup, Tabletop Sponsors & Networking Breaks | 7,446 sq. ft. | 16'–24' Atrium | 621 | 496 | 372 | 37 booths | Included w/ Grand Ballroom License |
| Executive Breakout & Boardroom Wing (14 Rooms Total) 1-on-1 Enterprise Deal Rooms, Track Breakouts & Speaker Ready | 2,400 sq. ft. | 12'–16' Clear | 240 | 171 | 141 | 12 booths | $0 w/ 50+ Peak Night Room Block |
JW Marriott Marquis Miami — 8-Row Master Property & Group Contract Summary
Guest Room Inventory & Peak Group Allocation
313 Total Keys · Up to 131 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
41,364 Sq. Ft. Total · 14 Dedicated Meeting & Breakout Rooms
Optimal for 188–1,940 attendee conferences requiring simultaneous keynote and breakout tracks.
Largest Pillarless Ballroom Capacity
18,426 Sq. Ft. · 1,940 Theater · 1,365 Plated Banquet
Divisible soundproof airwalls; supports up to 92 standard 10×10 tabletop/exhibit booths (~200 gross sq. ft./booth) with 24-hour hold option.
Primary Convention Campus Connectivity
Miami Beach Convention Center (3–6 min covered walk to Exhibit Halls)
Primary headquarter and exhibitor room-block anchor serving Miami Beach Convention Center.
Airport Transfer & Motorcoach Staging
MIA (Miami International Airport) · 10.8 mi (18 mins off-peak / 32–45 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
$339/nt Group Block vs. $599/nt Peak Rack · 13.0% Miami-Dade & Resort Area Tax
Mandatory $48/nt resort/destination fee is 100% waived when contracted through the Conventions.com Housing Desk (saves $348/room/night all-in).
Banquet F&B '++' Multiplier & Catering Minimums
$28,000 Ballroom Waiver Min · 25% Service + 7% Tax (+33.8% 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 · 30-Day Cutoff · 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.