Marriott Boston Quincy — Event Spaces, Floor Plans & Capacities
Marriott Hotel, 1000 Marriott Dr, Quincy, MA 02169
21 rooms · largest space: President's Ballroom, 9,792 sq ft910 m²
Planning an event in Quincy? Marriott Boston Quincy has 21 meeting and event rooms. The largest space is President's Ballroom, 9,792 sq ft910 m². It holds up to 1,400 guests. Capacity figures for every setup style are listed per room below.
Plan an event in President's Ballroom: open a free to-scale layout seating 550 at round tables in its 136 × 72 ft footprint at floors.live/start — no account needed.
Between them, the 21 rooms accommodate theater-style sessions for up to 1,200, seated banquets for 700 and standing receptions for 1,400. 5 smaller rooms suit breakouts and board meetings. Per-room dimensions and every published setup figure are listed below.
Unverified listing — compiled from Marriott Boston Quincy’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/massachusetts/quincy/marriott-boston-quincy/?claim=1.
Floor plans
Detailed floor plans for Marriott Boston Quincy are published on the venue’s official site.
Work at Marriott Boston Quincy? to publish your official floor plans and 360° tours here — free.
Room capacities & dimensions
21 rooms
| Space | Sq ft / m² | Ceiling | Banquet | Theater | Classroom | Reception | Conference | U-Shape |
|---|---|---|---|---|---|---|---|---|
| Abigail AdamsPlan this room → | 868 sq ft81 m² | 10 ft3 m | 60 | 70 | 45 | 70 | 25 | 25 |
| BasaltPlan this room → | 984 sq ft91 m² | 9.5 ft2.9 m | 30 | — | — | 50 | — | — |
| Blue HillsPlan this room → | 551 sq ft51 m² | 10 ft3 m | 30 | 30 | 20 | 40 | 20 | 20 |
| Dorothy Quincy Ballroom (Jr.)Plan this room → | 2,436 sq ft226 m² | 10 ft3 m | 180 | 200 | 125 | 200 | — | — |
| MerrymountPlan this room → | 210 sq ft20 m² | 10 ft3 m | — | 20 | 8 | — | 8 | — |
| PeacefieldPlan this room → | 425 sq ft39 m² | 8 ft2.4 m | — | — | — | — | 12 | — |
| President's BallroomPlan this room → | 9,792 sq ft910 m² | 14 ft4.3 m | 700 | 1,200 | 600 | 1,400 | — | — |
| Salon APlan this room → | 841 sq ft78 m² | 10 ft3 m | 60 | 75 | 50 | 60 | 25 | 25 |
| Salon 1Plan this room → | 648 sq ft60 m² | 14 ft4.3 m | 50 | 50 | 30 | 60 | 25 | 25 |
| Salon 4Plan this room → | 2,952 sq ft274 m² | 14 ft4.3 m | 260 | 300 | 175 | 300 | — | — |
| Salon BPlan this room → | 754 sq ft70 m² | 10 ft3 m | 50 | 60 | 30 | 50 | 20 | 20 |
| Seven MastPlan this room → | 1,000 sq ft93 m² | 9.9 ft3 m | 60 | 85 | 42 | 75 | 34 | 35 |
| Sylvanus ThayerPlan this room → | 620 sq ft58 m² | 10 ft3 m | 30 | 52 | 30 | — | 22 | — |
| WollastonPlan this room → | 420 sq ft39 m² | 10 ft3 m | 20 | 30 | 16 | 25 | 25 | 25 |
Additional spaces (dimensions only) (7)
| Space | Sq ft / m² | Ceiling |
|---|---|---|
| Salon 2Plan this room → | 648 sq ft60 m² | 14 ft4.3 m |
| Salon 3Plan this room → | 648 sq ft60 m² | 14 ft4.3 m |
| Salon 5Plan this room → | 2,952 sq ft274 m² | 14 ft4.3 m |
| Salon 6Plan this room → | 648 sq ft60 m² | 14 ft4.3 m |
| Salon 7Plan this room → | 648 sq ft60 m² | 14 ft4.3 m |
| Salon 8Plan this room → | 648 sq ft60 m² | 14 ft4.3 m |
| Salon CPlan this room → | 841 sq ft78 m² | 10 ft3 m |
Figures from published venue data; blank cells mean the venue hasn’t published that number. Verify final counts with the venue.
Sizing another room? Try the event room capacity calculator or the floor plan scale converter.
Frequently asked questions
What is the floor plan of Marriott Boston Quincy?
Marriott Boston Quincy has 21 rooms. The largest space is President's Ballroom, 9,792 sq ft (136 × 72 ft). Every room's dimensions and seating capacity by setup are listed on this page. Marriott Boston Quincy's own floor plans are published on its website, linked from this page.
How many event rooms does Marriott Boston Quincy have?
Marriott Boston Quincy has 21 rooms.
What is the largest space at Marriott Boston Quincy?
President's Ballroom, 9,792 sq ft: 136 × 72 ft, 700 banquet / 1,200 theater.
How many people can Marriott Boston Quincy seat for a banquet?
Up to 700 in President's Ballroom. The next largest room, Salon 4, seats 260.
What is the ceiling height at Marriott Boston Quincy?
The highest ceiling is 14 ft, in President's Ballroom.
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