Hyatt Regency Boston Harbor — Event Spaces, Floor Plans & Capacities

101 Harborside Dr, Boston, MA 02128

Hyatt Regency Boston Harbor in Boston offers 15 event spaces across 8,717 sq ft810 m² of function space. The largest room, Grand Ballroom, hosts up to 400 guests. Explore the floor plans and capacity charts below, or start arranging your own layout in the free planner.

Across its 15 spaces, Hyatt Regency Boston Harbor handles theater-style sessions for up to 400 and seated banquets for 400. 5 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 Hyatt Regency Boston Harbor are published on the venue’s official site.

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Room capacities & dimensions

Room capacities and dimensions for Hyatt Regency Boston Harbor
SpaceSq ft / m²CeilingBanquetTheaterClassroomConferenceU-Shape
AquitaniaPlan this room →—10 ft3 m130120704536
BritannicPlan this room →1,125 sq ft105 m²10 ft3 m120110604230
ChesapeakePlan this room →—8 ft2.4 m6040242015
CongressPlan this room →—8 ft2.4 m4040242020
ConstellationPlan this room →—8 ft2.4 m4040242020
ConstitutionPlan this room →—8 ft2.4 m4040242020
Grand BallroomPlan this room →—16 ft4.9 m160400225——
Harborside BallroomPlan this room →2,592 sq ft241 m²10 ft3 m180165804842
Harborside Pavilion|Plan this room →5,000 sq ft465 m²12 ft3.7 m400165804842
MichelangeloPlan this room →—10 ft3 m130110814042
OlympiaPlan this room →—10 ft3 m130120704536
Queen MaryPlan this room →—10 ft3 m8075543024
RaffaelloPlan this room →—10 ft3 m4540302018
Skyline BallroomPlan this room →—10 ft3 m1802001104840
The BoardroomPlan this room →—12 ft3.7 m———14—

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 Hyatt Regency Boston Harbor have?
Hyatt Regency Boston Harbor has 15 event spaces totaling 8,717 sq ft.
What is the largest event space at Hyatt Regency Boston Harbor?
The largest event space at Hyatt Regency Boston Harbor is Grand Ballroom, which holds up to 400 guests.
What is the banquet capacity of Grand Ballroom at Hyatt Regency Boston Harbor?
Grand Ballroom seats up to 160 guests in a banquet layout.
How many people fit in Grand Ballroom theater-style?
Grand Ballroom holds up to 400 guests in a theater setup.
What are the dimensions of Grand Ballroom?
Grand Ballroom measures 50 × 100 ft with 16 ft ceilings.

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