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HotelScore™ 9.6 / 10
2026–2027 Trade Shows & Conventions Near Marriott Marquis Houston (Houston)
Compression calendar and transfer times between Marriott Marquis Houston and George R. Brown Convention Center (3–6 min covered walk to Exhibit Halls).
2026–2027 Trade Shows & Conventions in Houston
Primary Convention Campus: George R. Brown Convention Center (3–6 min covered walk to Exhibit Halls).
Marriott Marquis Houston — 8-Row Master Property & Group Contract Summary
Guest Room Inventory & Peak Group Allocation
1,000 Total Keys · Up to 420 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
94,124 Sq. Ft. Total · 23 Dedicated Meeting & Breakout Rooms
Optimal for 600–4,181 attendee conferences requiring simultaneous keynote and breakout tracks.
Largest Pillarless Ballroom Capacity
39,716 Sq. Ft. · 4,181 Theater · 2,942 Plated Banquet
Divisible soundproof airwalls; supports up to 199 standard 10×10 tabletop/exhibit booths (~200 gross sq. ft./booth) with 24-hour hold option.
Primary Convention Campus Connectivity
George R. Brown Convention Center (3–6 min covered walk to Exhibit Halls)
Primary headquarter and exhibitor room-block anchor serving George R. Brown Convention Center.
Airport Transfer & Motorcoach Staging
IAH (George Bush Intercontinental Airport) · 19.5 mi (23 mins off-peak / 38–50 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
$229/nt Group Block vs. $379/nt Peak Rack · 17.0% Houston / Harris County Hotel Occupancy Tax
Mandatory $22/nt resort/destination fee is 100% waived when contracted through the Conventions.com Housing Desk (saves $201/room/night all-in).
Banquet F&B '++' Multiplier & Catering Minimums
$28,000 Ballroom Waiver Min · 24% Service + 8.25% Tax (+34.2% 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.