Courtyard by Marriott Portland Downtown/Waterfront

321 Commercial Street, Portland, Maine
1,918
Sq ft event space
3
Meeting rooms
127
MAX Capacity
132
Guest rooms

Courtyard by Marriott Portland Downtown/Waterfront is a premier event destination offering world-class facilities for weddings, corporate events, conferences, galas, and social gatherings. With 1918 sq ft of flexible event space across 3 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.

CJST

CJST

CNKG

CNKG

DKNG

DKNG

DWTV

DWTV

Meeting & event space

1918 sq ft across 3 configurable rooms. Tap a room for capacities and setups.

Casco Bay

1218 · 42 x 29 ft · 8 ft ceiling
Max capacity0
Floor area1218
Dimensions42 x 29 ft
Ceiling height8 ft
Configurations0
Capacity by setup

Eastern Promenade

350 · 25 x 14 ft · 8 ft ceiling
Max capacity0
Floor area350
Dimensions25 x 14 ft
Ceiling height8 ft
Configurations0
Capacity by setup

Western Promenade

350 · 25 x 14 ft · 8 ft ceiling
Max capacity0
Floor area350
Dimensions25 x 14 ft
Ceiling height8 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

Other Hotel Service

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

Recreational facilities

  • Beauty Mark
  • Casino
  • Children's Museum & Theatre of Maine
  • Childrens Pool Indoor
  • Course Total Yardage
  • Crescent Beach State Park
  • Equipment Available in Fitness Center
  • Ferry Beach
  • Fitness Center
  • Game room
  • Happy Wheels Skate Center
  • Health Resonates
  • Indoor Pool
  • Minimum Swimming Pool Depth
  • Nine Stones Spa
  • Nonesuch River
  • Number of Holes
  • Old Orchard Beach
  • Par for Course
  • Planet Fitness

Location & transportation

321 Commercial Street, Portland, Maine

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