How many event spaces does Courtyard by Marriott Boston Downtown have?

Courtyard by Marriott Boston Downtown has 9 event spaces totaling 16,988 sq ft.

What is the largest event space at Courtyard by Marriott Boston Downtown?

The largest event space at Courtyard by Marriott Boston Downtown is Bradford Ballroom, which holds up to 500 guests across 4,320 sq ft.

What is the banquet capacity of Bradford Ballroom at Courtyard by Marriott Boston Downtown?

Bradford Ballroom seats up to 320 guests in a banquet layout.

How many people fit in Bradford Ballroom theater-style?

Bradford Ballroom holds up to 500 guests in a theater setup.

What are the dimensions of Bradford Ballroom?

Bradford Ballroom measures 48 × 90 ft (4,320 sq ft) with 17 ft ceilings.

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

275 Tremont St, Boston, MA 02116

Courtyard by Marriott Boston Downtown gives Boston event planners 9 spaces to work with across 16,988 sq ft1,578 m² of function space. The largest room, Bradford Ballroom, hosts up to 500 guests. Review the layouts and seating capacities below, then test your setup in 3D — free.

Across its 9 spaces, Courtyard by Marriott Boston Downtown handles theater-style sessions for up to 500, seated banquets for 320 and standing receptions for 450. One smaller room suits breakouts and board meetings. Exact figures for every room and setup style are in the chart below.

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Floor plans

Detailed floor plans for Courtyard by Marriott Boston Downtown are published on the venue’s official site.

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Room capacities & dimensions

Room capacities and dimensions for Courtyard by Marriott Boston Downtown
Space	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Reception	Conference	U-Shape
Bradford BallroomPlan this room →	4,320 sq ft401 m²	17 ft5.2 m	320	500	240	450	78	84
Executive BoardroomPlan this room →	345 sq ft32 m²	10 ft3 m	—	—	—	—	12	—
Library RoomPlan this room →	1,620 sq ft151 m²	13 ft4 m	100	140	84	130	42	48
Shubert-Charles (Theatre Ballroom)Plan this room →	1,155 sq ft107 m²	10 ft3 m	80	125	60	115	30	36
Theater BallroomPlan this room →	3,201 sq ft297 m²	10 ft3 m	210	250	170	300	78	78
Washington BallroomPlan this room →	3,570 sq ft332 m²	12 ft3.7 m	250	350	219	350	70	68
Wilbur-Colonial Room (Theatre Ballroom)Plan this room →	1,674 sq ft156 m²	10 ft3 m	140	215	112	175	52	57

Additional spaces (dimensions only) (2)

Additional spaces with published dimensions only at Courtyard by Marriott Boston Downtown
Space	Sq ft / m²	Ceiling
Elks RoomPlan this room →	690 sq ft64 m²	8 ft2.4 m
Post No. 10 Private Dining RoomPlan this room →	413 sq ft38 m²	—

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 spaces does Courtyard by Marriott Boston Downtown have?: Courtyard by Marriott Boston Downtown has 9 event spaces totaling 16,988 sq ft.
What is the largest event space at Courtyard by Marriott Boston Downtown?: The largest event space at Courtyard by Marriott Boston Downtown is Bradford Ballroom, which holds up to 500 guests across 4,320 sq ft.
What is the banquet capacity of Bradford Ballroom at Courtyard by Marriott Boston Downtown?: Bradford Ballroom seats up to 320 guests in a banquet layout.
How many people fit in Bradford Ballroom theater-style?: Bradford Ballroom holds up to 500 guests in a theater setup.
What are the dimensions of Bradford Ballroom?: Bradford Ballroom measures 48 × 90 ft (4,320 sq ft) with 17 ft ceilings.

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

Floor plans

Room capacities & dimensions

Frequently asked questions

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