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The Cosmopolitan of Las Vegas Ballroom Capacities, Meeting Rooms & Floorplate Specs (175,077 Sq. Ft.)
Verified specs for 27 meeting rooms and the 27,776 sq. ft. main ballroom in Las Vegas, NV.
The Cosmopolitan of Las Vegas — Ballroom, Foyer & Breakout Capacity Matrix
175,077 sq. ft. total event space across 27 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 | 27,776 sq. ft. | 22'–26' Clear | 2,924 | 2,057 | 1,736 | 139 booths | $0 Rental w/ $42,000 F&B Min |
| Junior Ballroom & Divisional Plated Dining Hall Luncheons, Partner Summits & VIP Receptions | 13,332 sq. ft. | 18'–22' Clear | 1,403 | 988 | 833 | 67 booths | $0 Rental w/ $21,000 F&B Min |
| Pre-Function Registration & Sponsor Showcase Concourse Badge Pickup, Tabletop Sponsors & Networking Breaks | 31,514 sq. ft. | 16'–24' Atrium | 2,626 | 2,101 | 1,576 | 158 booths | Included w/ Grand Ballroom License |
| Executive Breakout & Boardroom Wing (27 Rooms Total) 1-on-1 Enterprise Deal Rooms, Track Breakouts & Speaker Ready | 3,333 sq. ft. | 12'–16' Clear | 333 | 238 | 196 | 17 booths | $0 w/ 50+ Peak Night Room Block |
The Cosmopolitan of Las Vegas — 8-Row Master Property & Group Contract Summary
Guest Room Inventory & Peak Group Allocation
3,033 Total Keys · Up to 1,274 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
175,077 Sq. Ft. Total · 27 Dedicated Meeting & Breakout Rooms
Optimal for 1,820–2,924 attendee conferences requiring simultaneous keynote and breakout tracks.
Largest Pillarless Ballroom Capacity
27,776 Sq. Ft. · 2,924 Theater · 2,057 Plated Banquet
Divisible soundproof airwalls; supports up to 139 standard 10×10 tabletop/exhibit booths (~200 gross sq. ft./booth) with 24-hour hold option.
Primary Convention Campus Connectivity
Las Vegas Convention Center (LVCC) (8–12 min official show shuttle / rideshare)
Primary headquarter and exhibitor room-block anchor serving Las Vegas Convention Center (LVCC).
Airport Transfer & Motorcoach Staging
LAS (Harry Reid International Airport) · 3.8 mi (11 mins off-peak / 24–32 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
$274/nt Group Block vs. $479/nt Peak Rack · 13.38% Clark County Room Tax
Mandatory $50/nt resort/destination fee is 100% waived when contracted through the Conventions.com Housing Desk (saves $289/room/night all-in).
Banquet F&B '++' Multiplier & Catering Minimums
$42,000 Ballroom Waiver Min · 25% Service + 8.375% Tax (+35.5% 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.