Boston Marriott Newton — Event Spaces, Floor Plans & Capacities

2345 Commonwealth Ave, Auburndale, MA 02466

With 31 event spaces across 84,271 sq ft7,829 m² of function space, Boston Marriott Newton is a flexible choice for meetings and celebrations in Auburndale. The largest room, Grand Ballroom, hosts up to 1,200 guests. Full capacity details for each room are below.

Between them, the 31 rooms accommodate theater-style sessions for up to 790, seated banquets for 570 and standing receptions for 1,200. 4 smaller rooms suit breakouts and board meetings. Per-room dimensions and every published setup figure are listed below.

Plan your event in this space — free

Floor plans

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

View official floor plans at Marriott ↗Plan your event in this space — free

Work at Boston Marriott Newton? to publish your official floor plans and 360° tours here — free.

Room capacities & dimensions

Room capacities and dimensions for Boston Marriott Newton
SpaceCeiling
Cape CodPlan this room →216 sq ft20 m²8 ft2.4 m————6—
Charles River RoomPlan this room →2,444 sq ft227 m²11 ft3.4 m150210841753230
Charles River Room - East or WestPlan this room →1,222 sq ft114 m²11 ft3.4 m6011060753230
Commonwealth BallroomPlan this room →5,782 sq ft537 m²13 ft4 m350——400——
Commonwealth Ballroom - Salon 1Plan this room →1,534 sq ft143 m²13 ft4 m508045402727
Commonwealth Ballroom - Salon 2Plan this room →1,475 sq ft137 m²13 ft4 m70125501003232
Commonwealth Ballroom - Salon 3Plan this room →1,298 sq ft121 m²13 ft4 m70120501003232
Commonwealth Ballroom - Salon 4Plan this room →1,250 sq ft116 m²13 ft4 m509054802630
Commonwealth Ballroom - Salons 1 & 2Plan this room →3,009 sq ft280 m²13 ft4 m160——100——
Commonwealth Ballroom - Salons 1-3Plan this room →4,307 sq ft400 m²13 ft4 m250——250——
Commonwealth Ballroom - Salons 2 & 3Plan this room →2,773 sq ft258 m²13 ft4 m140220114150——
Commonwealth Ballroom - Salons 2-4Plan this room →4,248 sq ft395 m²13 ft4 m200300132250——
Commonwealth Ballroom - Salons 3 & 4Plan this room →2,773 sq ft258 m²13 ft4 m13016084180——
Grand BallroomPlan this room →9,324 sq ft866 m²18 ft5.5 m5707903901,200——
Grand Ballroom - Salon A, C, F, or HPlan this room →704 sq ft65 m²12 ft3.7 m405428402021
Grand Ballroom - Salon B or GPlan this room →960 sq ft89 m²12 ft3.7 m609048502024
Grand Ballroom - Salon D or EPlan this room →2,294 sq ft213 m²18 ft5.5 m1502251052005050
Grand Ballroom - Salons A & B or B & CPlan this room →1,664 sq ft155 m²12 ft3.7 m90140701003232
Grand Ballroom - Salons A-C or F-HPlan this room →2,368 sq ft220 m²12 ft3.7 m1502101052005054
Grand Ballroom - Salons A-D or E-HPlan this room →4,662 sq ft433 m²12 ft3.7 m300450215600——
Grand Ballroom - Salons A-E or D-HPlan this room →6,956 sq ft646 m²12 ft3.7 m450650320900——
Grand Ballroom - Salons D & EPlan this room →4,588 sq ft426 m²18 ft5.5 m300450225460——
Grand Ballroom - Salons F & G or G & HPlan this room →1,664 sq ft155 m²12 ft3.7 m90140701003232
LexingtonPlan this room →1,728 sq ft161 m²8 ft2.4 m6012560503236
Merry-Go-RoundPlan this room →352 sq ft33 m²8 ft2.4 m————12—
MinutemanPlan this room →432 sq ft40 m²8 ft2.4 m203212201415
NorumbegaPlan this room →352 sq ft33 m²8 ft2.4 m—2412—1212
Old Meeting HousePlan this room →960 sq ft89 m²8 ft2.4 m407030302024
PavilionPlan this room →2,500 sq ft232 m²—200——250——
Riverside LawnPlan this room →10,000 sq ft929 m²—200——250——
Additional spaces (dimensions only) (1)
Additional spaces with published dimensions only at Boston Marriott Newton
SpaceSq ft / m²Ceiling
Newton Room - 3rd FloorPlan this room →432 sq ft40 m²8 ft2.4 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 spaces does Boston Marriott Newton have?
Boston Marriott Newton has 31 event spaces totaling 84,271 sq ft.
What is the largest event space at Boston Marriott Newton?
The largest event space at Boston Marriott Newton is Grand Ballroom, which holds up to 1,200 guests across 9,324 sq ft.
What is the banquet capacity of Grand Ballroom at Boston Marriott Newton?
Grand Ballroom seats up to 570 guests in a banquet layout.
How many people fit in Grand Ballroom theater-style?
Grand Ballroom holds up to 790 guests in a theater setup.
What are the dimensions of Grand Ballroom?
Grand Ballroom measures 126 × 74 ft (9,324 sq ft) with 18 ft ceilings.

More event venues near Auburndale

Event venues elsewhere in Massachusetts

Venues with similar capacity (~1,200 guests)