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2026–2027 Trade Shows & Conventions Near The Royal Sonesta Chase Park Plaza (St. Louis)
Compression calendar and transfer times between The Royal Sonesta Chase Park Plaza and St. Louis Convention Center (8–12 min official show shuttle / rideshare).
2026–2027 Trade Shows & Conventions in St. Louis
Primary Convention Campus: St. Louis Convention Center (8–12 min official show shuttle / rideshare).
The Royal Sonesta Chase Park Plaza — 8-Row Master Property & Group Contract Summary
Guest Room Inventory & Peak Group Allocation
398 Total Keys · Up to 167 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
65,000 Sq. Ft. Total · 26 Dedicated Meeting & Breakout Rooms
Optimal for 239–1,126 attendee conferences requiring simultaneous keynote and breakout tracks.
Largest Pillarless Ballroom Capacity
10,700 Sq. Ft. · 1,126 Theater · 793 Plated Banquet
Divisible soundproof airwalls; supports up to 54 standard 10×10 tabletop/exhibit booths (~200 gross sq. ft./booth) with 24-hour hold option.
Primary Convention Campus Connectivity
St. Louis Convention Center (8–12 min official show shuttle / rideshare)
Primary headquarter and exhibitor room-block anchor serving St. Louis Convention Center.
Airport Transfer & Motorcoach Staging
STL (St. Louis Lambert International Airport) · 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
$239/nt Group Block vs. $389/nt Peak Rack · 14.5% St Louis Municipal & State Lodging Tax
Mandatory $30/nt resort/destination fee is 100% waived when contracted through the Conventions.com Housing Desk (saves $206/room/night all-in).
Banquet F&B '++' Multiplier & Catering Minimums
$28,000 Ballroom Waiver Min · 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 · 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.