Courtyard by Marriott Detroit Downtown — Event Spaces, Floor Plans & Capacities

333 E Jefferson Ave, Detroit, MI 48226

11 rooms · largest space: Corktown Ballroom, 3,200 sq ft297 m²

Planning an event in Detroit? Courtyard by Marriott Detroit Downtown has 11 meeting and event rooms. The largest space is Corktown Ballroom, 3,200 sq ft297 m² (divisible into 4 sections). It holds up to 300 guests. Capacity figures for every setup style are listed per room below.

Between them, the 11 rooms accommodate theater-style sessions for up to 300, seated banquets for 220 and standing receptions for 300. 5 smaller rooms suit breakouts and board meetings. Per-room dimensions and every published setup figure are listed below.

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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

11 rooms, 12 configurations. Combined and divided set-ups are listed under their room.

Room capacities and dimensions for Courtyard by Marriott Detroit Downtown
SpaceSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceU-Shape
Corktown APlan this room →800 sq ft74 m²12 ft3.7 m506030702424
1 configuration with Corktown A
Combined and divided set-ups that include Corktown A
ConfigurationSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceU-Shape
Corktown BallroomPlan this room →3,200 sq ft297 m²12 ft3.7 m2203001503005050
Corktown BPlan this room →800 sq ft74 m²12 ft3.7 m506030702424
Corktown CPlan this room →800 sq ft74 m²12 ft3.7 m405025601515
Corktown DPlan this room →800 sq ft74 m²12 ft3.7 m506030702424
Skyline RoomPlan this room →2,000 sq ft186 m²12 ft3.7 m130150751405050
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—503020—20—
Additional spaces (dimensions only) (1)
Additional spaces with published dimensions only at Courtyard by Marriott Detroit Downtown
SpaceSq ft / m²Ceiling
Corktown FoyerPlan this room →1,475 sq ft137 m²12 ft3.7 m

Figures from published venue data; blank cells mean the venue hasn’t published that number. Verify final counts with the venue.

Frequently asked questions

How many event rooms does Courtyard by Marriott Detroit Downtown have?

Courtyard by Marriott Detroit Downtown has 11 rooms. 12 configurations are listed on this page.

What is the largest space at Courtyard by Marriott Detroit Downtown?

Corktown Ballroom, 3,200 sq ft (divisible into 4 sections): 40 × 80 ft, 220 banquet / 300 theater.

How many people can Courtyard by Marriott Detroit Downtown seat for a banquet?

Up to 220 in Corktown Ballroom. The next largest room, Skyline Room, seats 130.

Can Corktown Ballroom be divided?

Yes. Corktown Ballroom divides into 4 sections: Corktown A, Corktown B, Corktown C, Corktown D.

What is the ceiling height at Courtyard by Marriott Detroit Downtown?

The highest ceiling is 12 ft, in Corktown A.

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