The Westin Waltham Boston — Event Spaces, Floor Plans & Capacities

Westin Hotel, 70 3rd Ave, Waltham, MA 02451

The Westin Waltham Boston in Waltham offers 25 event spaces across 28,916 sq ft2,686 m² of function space. The largest room, Eden Vale Ballroom, hosts up to 800 guests. Explore the floor plans and capacity charts below, or start arranging your own layout in the free planner.

Across its 25 spaces, The Westin Waltham Boston handles theater-style sessions for up to 700, seated banquets for 540 and standing receptions for 800. 11 smaller rooms suit 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 The Westin Waltham Boston are published on the venue’s official site.

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Room capacities & dimensions

Room capacities and dimensions for The Westin Waltham Boston
SpaceSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceU-Shape
AlcottPlan this room →768 sq ft71 m²8 ft2.4 m505040603026
BelmontPlan this room →425 sq ft39 m²13.4 ft4.1 m302521201818
CambridgePlan this room →800 sq ft74 m²13.4 ft4.1 m507042603033
Concord BallroomPlan this room →2,750 sq ft255 m²13.4 ft4.1 m2002501752004045
Eden Vale APlan this room →1,829 sq ft170 m²15.4 ft4.7 m16018010025030—
Eden Vale A1Plan this room →1,829 sq ft170 m²15.4 ft4.7 m160180100250—50
Eden Vale A3Plan this room →589 sq ft55 m²15.4 ft4.7 m406036703028
Eden Vale BPlan this room →2,537 sq ft236 m²15.4 ft4.7 m240240150350——
Eden Vale BallroomPlan this room →6,254 sq ft581 m²15.4 ft4.7 m540700400800——
Eden Vale CPlan this room →1,829 sq ft170 m²15.4 ft4.7 m160200100250—50
Eden Vale C1Plan this room →589 sq ft55 m²15.4 ft4.7 m406036703028
Eden Vale C2Plan this room →589 sq ft55 m²15.4 ft4.7 m406024703024
Eden Vale C3Plan this room →589 sq ft55 m²15.4 ft4.7 m406036703028
EmersonPlan this room →2,500 sq ft232 m²13.4 ft4.1 m120200751403021
GarfieldPlan this room →414 sq ft38 m²8 ft2.4 m————10—
HawthornePlan this room →368 sq ft34 m²8 ft2.4 m202418201615
LincolnPlan this room →800 sq ft74 m²13.4 ft4.1 m507042603633
Lincoln EastPlan this room →400 sq ft37 m²13.4 ft4.1 m303521402220
Lincoln WestPlan this room →400 sq ft37 m²13.4 ft4.1 m303521402220
LivermorePlan this room →462 sq ft43 m²8 ft2.4 m403018252415
ThoreauPlan this room →441 sq ft41 m²8 ft2.4 m302618201614
Waltham BoardroomPlan this room →595 sq ft55 m²8 ft2.4 m————16—
WellesleyPlan this room →464 sq ft43 m²13.4 ft4.1 m302421202020
WellingtonPlan this room →391 sq ft36 m²8 ft2.4 m303018251815
Weston BoardroomPlan this room →304 sq ft28 m²13.4 ft4.1 m————10—

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 The Westin Waltham Boston have?
The Westin Waltham Boston has 25 event spaces totaling 28,916 sq ft.
What is the largest event space at The Westin Waltham Boston?
The largest event space at The Westin Waltham Boston is Eden Vale Ballroom, which holds up to 800 guests across 6,254 sq ft.
What is the banquet capacity of Eden Vale Ballroom at The Westin Waltham Boston?
Eden Vale Ballroom seats up to 540 guests in a banquet layout.
How many people fit in Eden Vale Ballroom theater-style?
Eden Vale Ballroom holds up to 700 guests in a theater setup.
What are the dimensions of Eden Vale Ballroom?
Eden Vale Ballroom measures 106 × 59 ft (6,254 sq ft) with 15.4 ft ceilings.

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