Skip to main content
Help

Travel with confidence during Covid-19

Select a Language

English(US)

Events

Start Planning Your Meetings or Events Here

Tell us about your event, then we'll contact you and plan it together

Start Your Plan Here

4

Event Rooms

2696 SQ FT

Total Event Space

210

Capacity Largest Space

3

Breakout Rooms
Capacity Chart | Equipments and Services
Grand Trunk Meeting Room - Classroom Setup

Meeting and Events

Our flexible meeting rooms in Portland, ME extend to Grand Trunk with capacity for 210 guests.

Our conference spaces in Portland, ME are ideal for corporate meetings, trainings, and presentations
Personalize your meeting web page with your company name, event dates, and special rates.
Seamlessly stream video calls & display presentations with our state-of-the-art AV equipment.
Traveling for business? Be sure to check out our deals on boardrooms in Portland, ME and rooms.
Excellent in-house event catering services in Portland, ME ensure a perfect gathering.
AC wedding hotels and wedding venues

Weddings and Occasions

Our 4 downtown Portland, ME venues offer space for 12 to 200+ guests.

Our catering services can help make any leisure or business event a success.
Our spaces are perfect for wedding receptions in Portland, Maine.
Our themed Portland, Maine venues offer flexible seating, including reception, banquet, and theater.
Seamlessly steam your event or play movies and slideshows on state-of-the-art AV equipment.
Ask about our catering services for your event space in downtown Portland, ME.
private dining austin
Rewarding Travel from start to Finish
Earn up to 60,000 points per qualified event with Marriott Bonvoy Events. Elite members earn more with bonus points.
See how we're rewarding events

Please note: all room sizes are approximate.

Feet Meters
Meeting Room Dimensions (LxWxH) Area (sq.ft) Theater Schoolroom Conference U-Shape Reception Banquet
Dockside 11x11x- 118 12 6 6 3 12 10
Grand Trunk 66x25x- 1627 210 100 50 44 160 140
Harbor Community Room 24x34x- 805 90 50 25 20 80 60
Portside 13x12x- 146 20 10 10 6 18 12
Dockside
Dimensions (LxWxH)
11x11x-
Area (sq.ft)
118
Theater
12
Schoolroom
6
Conference
6
U-Shape
3
Reception
12
Banquet
10
Grand Trunk
Dimensions (LxWxH)
66x25x-
Area (sq.ft)
1627
Theater
210
Schoolroom
100
Conference
50
U-Shape
44
Reception
160
Banquet
140
Harbor Community Room
Dimensions (LxWxH)
24x34x-
Area (sq.ft)
805
Theater
90
Schoolroom
50
Conference
25
U-Shape
20
Reception
80
Banquet
60
Portside
Dimensions (LxWxH)
13x12x-
Area (sq.ft)
146
Theater
20
Schoolroom
10
Conference
10
U-Shape
6
Reception
18
Banquet
12
Meeting Room Dimensions (LxWxH) Area (sq.mt) Theater Schoolroom Conference U-Shape Reception Banquet
Dockside 3.4x3.4x- 11 12 6 6 3 12 10
Grand Trunk 20.1x7.6x- 151.2 210 100 50 44 160 140
Harbor Community Room 7.3x10.4x- 74.8 90 50 25 20 80 60
Portside 4x3.7x- 13.6 20 10 10 6 18 12
Dockside
Dimensions (LxWxH)
3.4x3.4x-
Area (sq.mt)
11
Theater
12
Schoolroom
6
Conference
6
U-Shape
3
Reception
12
Banquet
10
Grand Trunk
Dimensions (LxWxH)
20.1x7.6x-
Area (sq.mt)
151.2
Theater
210
Schoolroom
100
Conference
50
U-Shape
44
Reception
160
Banquet
140
Harbor Community Room
Dimensions (LxWxH)
7.3x10.4x-
Area (sq.mt)
74.8
Theater
90
Schoolroom
50
Conference
25
U-Shape
20
Reception
80
Banquet
60
Portside
Dimensions (LxWxH)
4x3.7x-
Area (sq.mt)
13.6
Theater
20
Schoolroom
10
Conference
10
U-Shape
6
Reception
18
Banquet
12
Banquet
Generally used for meals and sessions involving small group discussions. A five foot round table seats eight people comfortably. A six foot round table seats 10 people comfortably.
Conference and Hollow Square
Appropriate for interactive discussions and note-taking sessions for fewer than 25 people. Many hotels have elegant "boardrooms" for 10 to 20 people, equipped with full audiovisual capabilities, a writing board, cork board and a flip chart.
E-Shape, U-Shape and T-Shape
Appropriate for groups of fewer than 40 people. These are best for interaction with a leader seated at the head of the setup. Audiovisual is usually best set up at the open end of the seating.
Theater
Appropriate for large sessions and short lectures that do not require extensive note-taking. This is a convenient setup to use before breaking into discussion or role-playing groups because chairs can be moved.
Reception
Stand-up social function where beverages and light foods are served. Foods may be presented on small buffet tables or passed by servers. May precede a meal function.
Schoolroom or Classroom
The most desirable setup for medium to large-size lectures. Requires a relatively large room. Tables provide attendees with space for spreading out materials and taking notes.
Ovals and Rounds
Generally used for meals and sessions involving small group discussions. A five foot round table seats eight people comfortably. A six foot round table seats 10 people comfortably.
Audio-Visual Equipment
  • AV Technician
  • TV
  • Wireless Internet
Event Services
  • Event Lighting
Event Equipment & Supplies
  • Easels
  • Flip Chart & Markers
  • Pens / Pencils / Notepad
  • Podium Lectern
  • Stack Chairs
  • Tables
Business Services
  • Computers
  • Copy Service
  • Fax Service
  • Overnight Delivery/Pickup
  • Post/Parcel
  • Printers
Catering Services
  • Afternoon Break:$20.00 / Person
  • Coffee Break:$20.00 / Person
  • Continental Breakfast:$24.00 / Person
  • Dinner:$43.00 / Person
  • Full Breakfast:$48.00 / Person
  • Lunch:$35.00 / Person
Marriott Bonvoy app logo

Unlock your stay with the Marriott Bonvoy™ App

AC Hotel Portland Downtown/Waterfront, ME

AC Hotel Portland Downtown/Waterfront, ME

VIEW MAP VIEW MAP
+1 207-747-1640
Cancel
DATES (1 NIGHT) NIGHTS)
Flexible in
S M T W T F S
Number of Nights
1
Rooms & Guests
Maximum 8 guests per room
Rooms
(Max: 3 Rooms/person)
1
Adults
(Max: 8 total guests/room)
1
Children
(Max: 8 total guests/room)
0
AGE OF CHILDREN (REQUIRED)
Special Rates

AC HOTEL BY MARRIOTT PORTLAND DOWNTOWN/WATERFRONT, ME

Overview Gallery Rooms Dining Experiences Events

© 1996 – 2023 Marriott International, Inc. All rights reserved. Marriott Proprietary Information

English
Careers Opens a new window Terms of Use Program Terms & Conditions Privacy Center Digital Accessibility Site Map Help Opens a new window