Aloft Boston Seaport District

401-403 D Street, Boston, Massachusetts
14,114
Sq ft event space
14
Meeting rooms
480
MAX Capacity
330
Guest rooms

Aloft Boston Seaport District is a premier event destination offering world-class facilities for weddings, corporate events, conferences, galas, and social gatherings. With 14114 sq ft of flexible event space across 14 configurable rooms, we bring your vision to life with an experienced in-house events team.

Our dedicated coordinators, award-winning catering team, and state-of-the-art audio-visual capabilities ensure every detail is flawless — from the first site visit to the final dance.

Guest rooms

330 rooms available for individual stays and discounted room blocks.

CCTY

CCTY

CITY

CITY

DKNG

DKNG

EDDB

EDDB

Meeting & event space

14114 sq ft across 14 configurable rooms. Tap a room for capacities and setups.

Mann Ballroom

4582 · 58 x 79 ft · 12 ft ceiling
Max capacity480
Floor area4582
Dimensions58 x 79 ft
Ceiling height12 ft
Configurations5
Capacity by setup
480
Theater
300
Banquet
300
Classroom
93
U-Shape
400
Reception

Mann Foyer

2730 · 0 x 0 ft
Max capacity150
Floor area2730
Dimensions0 x 0 ft
Configurations1
Capacity by setup
150
Reception

Summer Foyer

1980 · 0 x 0 ft
Max capacity150
Floor area1980
Dimensions0 x 0 ft
Configurations1
Capacity by setup
150
Reception

Summer Ballroom

1798 · 31 x 58 ft · 12 ft ceiling
Max capacity200
Floor area1798
Dimensions31 x 58 ft
Ceiling height12 ft
Configurations5
Capacity by setup
200
Theater
120
Banquet
114
Classroom
51
U-Shape
150
Reception

Mann 3

1624 · 58 x 28 ft · 12 ft ceiling
Max capacity150
Floor area1624
Dimensions58 x 28 ft
Ceiling height12 ft
Configurations5
Capacity by setup
150
Theater
100
Banquet
90
Classroom
48
U-Shape
130
Reception

Mann 1

1508 · 58 x 26 ft · 12 ft ceiling
Max capacity150
Floor area1508
Dimensions58 x 26 ft
Ceiling height12 ft
Configurations5
Capacity by setup
150
Theater
100
Banquet
90
Classroom
48
U-Shape
130
Reception

Mann 2

1508 · 58 x 26 ft · 12 ft ceiling
Max capacity150
Floor area1508
Dimensions58 x 26 ft
Ceiling height12 ft
Configurations5
Capacity by setup
150
Theater
100
Banquet
90
Classroom
48
U-Shape
130
Reception

Mahoney Ex:Change

943 · 23 x 41 ft · 14 ft ceiling
Max capacity95
Floor area943
Dimensions23 x 41 ft
Ceiling height14 ft
Configurations5
Capacity by setup
95
Theater
60
Banquet
50
Classroom
27
U-Shape
80
Reception

Summer 1

899 · 31 x 29 ft · 12 ft ceiling
Max capacity80
Floor area899
Dimensions31 x 29 ft
Ceiling height12 ft
Configurations5
Capacity by setup
80
Theater
50
Banquet
48
Classroom
27
U-Shape
75
Reception

Summer 2

870 · 30 x 29 ft · 12 ft ceiling
Max capacity80
Floor area870
Dimensions30 x 29 ft
Ceiling height12 ft
Configurations5
Capacity by setup
80
Theater
50
Banquet
48
Classroom
27
U-Shape
75
Reception

Key amenities

Everything available on-site for your event and guests.

Interactive Map

  • Complimentary coffee in lobby
  • Complimentary newspaper in lobby
  • Hairdresser/barber

Other Hotel Service

  • Accessible parking
  • Complimentary in-room coffee or tea
  • Concierge desk
  • Indoor parking
  • Motorcycle parking
  • On-Site parking
  • Parking
  • Parking fee managed by hotel
  • Valet parking

Recreational facilities

  • Ball machine rental fee type
  • Blue Hills Ski Area
  • Casino
  • Castle Island
  • Childrens Pool Indoor
  • Game room
  • Minimum Swimming Pool Depth
  • Pool Open Year Around
  • Re:Charge Fitness Center
  • Restricted age for Children w/o Adult Supervision
  • Room Escapers
  • South Boston Beach
  • Splash Salt Water Indoor Pool
  • Swimming Pool Location Indoor
  • Tennis clinics fee type
  • Towels Provided Provide for Guest at Indoor Swimming Pool
  • Wollaston Beach

Location & transportation

401-403 D Street, Boston, Massachusetts

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