Hyatt Regency Boston Harbor — Event Spaces & 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.
Floor plans
Detailed floor plans for Hyatt Regency Boston Harbor are published on the venue’s official site.
Work at Hyatt Regency Boston Harbor? to publish your official floor plans and 360° tours here — free.
Room capacities & dimensions
| Space | Sq ft / m² | Ceiling | Banquet | Theater | Classroom | Conference | U-Shape |
|---|---|---|---|---|---|---|---|
| AquitaniaPlan this room → | — | 10 ft3 m | 130 | 120 | 70 | 45 | 36 |
| BritannicPlan this room → | 1,125 sq ft105 m² | 10 ft3 m | 120 | 110 | 60 | 42 | 30 |
| ChesapeakePlan this room → | — | 8 ft2.4 m | 60 | 40 | 24 | 20 | 15 |
| CongressPlan this room → | — | 8 ft2.4 m | 40 | 40 | 24 | 20 | 20 |
| ConstellationPlan this room → | — | 8 ft2.4 m | 40 | 40 | 24 | 20 | 20 |
| ConstitutionPlan this room → | — | 8 ft2.4 m | 40 | 40 | 24 | 20 | 20 |
| Grand BallroomPlan this room → | — | 16 ft4.9 m | 160 | 400 | 225 | — | — |
| Harborside BallroomPlan this room → | 2,592 sq ft241 m² | 10 ft3 m | 180 | 165 | 80 | 48 | 42 |
| Harborside Pavilion|Plan this room → | 5,000 sq ft465 m² | 12 ft3.7 m | 400 | 165 | 80 | 48 | 42 |
| MichelangeloPlan this room → | — | 10 ft3 m | 130 | 110 | 81 | 40 | 42 |
| OlympiaPlan this room → | — | 10 ft3 m | 130 | 120 | 70 | 45 | 36 |
| Queen MaryPlan this room → | — | 10 ft3 m | 80 | 75 | 54 | 30 | 24 |
| RaffaelloPlan this room → | — | 10 ft3 m | 45 | 40 | 30 | 20 | 18 |
| Skyline BallroomPlan this room → | — | 10 ft3 m | 180 | 200 | 110 | 48 | 40 |
| 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.