Residence Inn by Marriott Portland Downtown/Waterfront

145 Fore Street, Portland, Maine
1,236
Sq ft event space
4
Meeting rooms
75
MAX Capacity
132
Guest rooms

Residence Inn by Marriott Portland Downtown/Waterfront is a premier event destination offering world-class facilities for weddings, corporate events, conferences, galas, and social gatherings. With 1236 sq ft of flexible event space across 4 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

132 rooms available for individual stays and discounted room blocks.

FMLA

FMLA

ONBT

ONBT

STEX

STEX

STKT

STKT

Meeting & event space

1236 sq ft across 4 configurable rooms. Tap a room for capacities and setups.

Great Diamond

875 · 35 x 25 ft · 15 ft ceiling
Max capacity75
Floor area875
Dimensions35 x 25 ft
Ceiling height15 ft
Configurations5
Capacity by setup
50
Theater
36
Banquet
40
Classroom
24
U-Shape
75
Reception

Great Diamond 1

438 · 18 x 25 ft · 15 ft ceiling
Max capacity38
Floor area438
Dimensions18 x 25 ft
Ceiling height15 ft
Configurations5
Capacity by setup
20
Theater
18
Banquet
12
Classroom
12
U-Shape
38
Reception

Great Diamond 2

438 · 18 x 25 ft · 15 ft ceiling
Max capacity38
Floor area438
Dimensions18 x 25 ft
Ceiling height15 ft
Configurations5
Capacity by setup
20
Theater
18
Banquet
12
Classroom
12
U-Shape
38
Reception

Chebeague Boardroom

360 · 24 x 15 ft · 12 ft ceiling
Max capacity0
Floor area360
Dimensions24 x 15 ft
Ceiling height12 ft
Configurations0
Capacity by setup

Key amenities

Everything available on-site for your event and guests.

Interactive Map

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

Other Hotel Service

  • ATM/Cash machine
  • Accessible parking
  • Complimentary in-room coffee or tea
  • Concierge desk
  • Indoor parking
  • Long term parking
  • Motorcycle parking
  • Off-Site parking
  • On-Site parking
  • Parking
  • Parking fee managed by hotel
  • Valet parking

Recreational facilities

  • Aquaboggan Water Park
  • Bay Club
  • Casino
  • Childrens Museum & Theatre of Maine
  • Childrens Pool Indoor
  • Course Total Yardage
  • Crescent Beach
  • East End Beach
  • Equipment Available in Fitness Center
  • Funtown Splashtown USA
  • Game room
  • Hadlock Field
  • Indoor Pool
  • Minimum Swimming Pool Depth
  • Nine Stones Spa
  • Nonesuch River Golf Club
  • Number of Holes
  • Old Orchard Beach
  • On-Site Fitness Center
  • Par for Course

Location & transportation

145 Fore Street, Portland, Maine

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