Courtyard by Marriott Detroit Downtown — Event Spaces & Capacities
333 E Jefferson Ave, Detroit, MI 48226
Planning an event in Detroit? Courtyard by Marriott Detroit Downtown has 12 function rooms across 11,167 sq ft1,037 m² of function space. The largest room, Corktown Ballroom, hosts up to 300 guests. Capacity figures for every setup style are listed per room below.
Floor plans
Detailed floor plans for Courtyard by Marriott Detroit Downtown are published on the venue’s official site.
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Room capacities & dimensions
| Space | Sq ft / m² | Ceiling | Banquet | Theater | Classroom | Reception | Conference | U-Shape |
|---|---|---|---|---|---|---|---|---|
| Corktown BallroomPlan this room → | 3,200 sq ft297 m² | 12 ft3.7 m | 220 | 300 | 150 | 300 | 50 | 50 |
| Corktown APlan this room → | 800 sq ft74 m² | 12 ft3.7 m | 50 | 60 | 30 | 70 | 24 | 24 |
| Corktown BPlan this room → | 800 sq ft74 m² | 12 ft3.7 m | 50 | 60 | 30 | 70 | 24 | 24 |
| Corktown CPlan this room → | 800 sq ft74 m² | 12 ft3.7 m | 40 | 50 | 25 | 60 | 15 | 15 |
| Corktown DPlan this room → | 800 sq ft74 m² | 12 ft3.7 m | 50 | 60 | 30 | 70 | 24 | 24 |
| Skyline RoomPlan this room → | 2,000 sq ft186 m² | 12 ft3.7 m | 130 | 150 | 75 | 140 | 50 | 50 |
| Boston EdisonPlan this room → | 150 sq ft14 m² | — | — | — | — | — | 6 | — |
| Palmer WoodsPlan this room → | 128 sq ft12 m² | — | — | — | — | — | 6 | — |
| Cass CorridorPlan this room → | 126 sq ft12 m² | — | — | — | — | — | 6 | — |
| PiquettePlan this room → | 296 sq ft27 m² | — | — | — | — | — | 10 | — |
| MidtownPlan this room → | 592 sq ft55 m² | — | 50 | 30 | 20 | — | 20 | — |
Additional spaces (dimensions only) (1)
| Space | Sq ft / m² | Ceiling |
|---|---|---|
| Corktown FoyerPlan this room → | 1,475 sq ft137 m² | 12 ft3.7 m |
Figures from published venue data; blank cells mean the venue hasn’t published that number. Verify final counts with the venue.