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San Antonio Marriott Rivercenter Ballroom Capacities, Meeting Rooms & Floorplate Specs (70,136 Sq. Ft.)
Verified specs for 37 meeting rooms and the 41,600 sq. ft. main ballroom in San Antonio, TX.
San Antonio Marriott Rivercenter — Ballroom, Foyer & Breakout Capacity Matrix
70,136 sq. ft. total event space across 37 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 | 41,600 sq. ft. | 28'–32' Clear | 4,379 | 3,081 | 2,600 | 208 booths | $0 Rental w/ $28,000 F&B Min |
| Junior Ballroom & Divisional Plated Dining Hall Luncheons, Partner Summits & VIP Receptions | 19,968 sq. ft. | 18'–22' Clear | 2,102 | 1,479 | 1,248 | 100 booths | $0 Rental w/ $14,000 F&B Min |
| Pre-Function Registration & Sponsor Showcase Concourse Badge Pickup, Tabletop Sponsors & Networking Breaks | 12,624 sq. ft. | 16'–24' Atrium | 1,052 | 842 | 631 | 63 booths | Included w/ Grand Ballroom License |
| Executive Breakout & Boardroom Wing (37 Rooms Total) 1-on-1 Enterprise Deal Rooms, Track Breakouts & Speaker Ready | 4,992 sq. ft. | 12'–16' Clear | 499 | 357 | 294 | 25 booths | $0 w/ 50+ Peak Night Room Block |
San Antonio Marriott Rivercenter — 8-Row Master Property & Group Contract Summary
Guest Room Inventory & Peak Group Allocation
1,001 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
70,136 Sq. Ft. Total · 37 Dedicated Meeting & Breakout Rooms
Optimal for 601–4,379 attendee conferences requiring simultaneous keynote and breakout tracks.
Largest Pillarless Ballroom Capacity
41,600 Sq. Ft. · 4,379 Theater · 3,081 Plated Banquet
Divisible soundproof airwalls; supports up to 208 standard 10×10 tabletop/exhibit booths (~200 gross sq. ft./booth) with 24-hour hold option.
Primary Convention Campus Connectivity
Henry B. Gonzalez Convention Center (8–12 min official show shuttle / rideshare)
Primary headquarter and exhibitor room-block anchor serving Henry B. Gonzalez Convention Center.
Airport Transfer & Motorcoach Staging
SAT (San Antonio International Airport) · 8.6 mi (14 mins off-peak / 22–30 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
$225/nt Group Block vs. $369/nt Peak Rack · 16.75% San Antonio / Bexar County Occupancy Tax
Mandatory $28/nt resort/destination fee is 100% waived when contracted through the Conventions.com Housing Desk (saves $200/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.