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Boston Marriott Copley Place Ballroom Capacities, Meeting Rooms & Floorplate Specs (61,085 Sq. Ft.)
Verified specs for 47 meeting rooms and the 23,436 sq. ft. main ballroom in Boston, MA.
Boston Marriott Copley Place — Ballroom, Foyer & Breakout Capacity Matrix
61,085 sq. ft. total event space across 47 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 | 23,436 sq. ft. | 22'–26' Clear | 2,467 | 1,736 | 1,465 | 117 booths | $0 Rental w/ $28,000 F&B Min |
| Junior Ballroom & Divisional Plated Dining Hall Luncheons, Partner Summits & VIP Receptions | 11,249 sq. ft. | 18'–22' Clear | 1,184 | 833 | 703 | 56 booths | $0 Rental w/ $14,000 F&B Min |
| Pre-Function Registration & Sponsor Showcase Concourse Badge Pickup, Tabletop Sponsors & Networking Breaks | 10,995 sq. ft. | 16'–24' Atrium | 916 | 733 | 550 | 55 booths | Included w/ Grand Ballroom License |
| Executive Breakout & Boardroom Wing (47 Rooms Total) 1-on-1 Enterprise Deal Rooms, Track Breakouts & Speaker Ready | 2,812 sq. ft. | 12'–16' Clear | 281 | 201 | 165 | 14 booths | $0 w/ 50+ Peak Night Room Block |
Boston Marriott Copley Place — 8-Row Master Property & Group Contract Summary
Guest Room Inventory & Peak Group Allocation
1,144 Total Keys · Up to 480 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
61,085 Sq. Ft. Total · 47 Dedicated Meeting & Breakout Rooms
Optimal for 686–2,467 attendee conferences requiring simultaneous keynote and breakout tracks.
Largest Pillarless Ballroom Capacity
23,436 Sq. Ft. · 2,467 Theater · 1,736 Plated Banquet
Divisible soundproof airwalls; supports up to 117 standard 10×10 tabletop/exhibit booths (~200 gross sq. ft./booth) with 24-hour hold option.
Primary Convention Campus Connectivity
Boston Convention and Exhibition Center (BCEC) (8–12 min official show shuttle / rideshare)
Primary headquarter and exhibitor room-block anchor serving Boston Convention and Exhibition Center (BCEC).
Airport Transfer & Motorcoach Staging
BOS (Boston Logan International Airport) · 3.6 mi (11 mins off-peak / 22–32 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
$289/nt Group Block vs. $489/nt Peak Rack · 16.45% Boston / Massachusetts Convention Center Tax
Mandatory $30/nt resort/destination fee is 100% waived when contracted through the Conventions.com Housing Desk (saves $267/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.