225 Albany Street, Boston, Massachusetts 02118 USA
+1 617-848-9063

Organize a meeting or event

Send your requirements to our expert planners for more information on pricing and room availability.

  • 6

    Event Rooms

  • 335 sq m

    Total Event Space

  • 140

    Capacity Largest Space

  • 3

    Maximum Breakout Rooms

About This Venue

  • Take business meetings to the next level in 3,600 sq. ft. of space with room for 5-150 guests.

  • Personalize your meeting webpage 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 Boston hotel deals & group specials.

  • Host purposeful corporate events for up to 140 attendees in our stylish meeting rooms.

  • Our luxury hotel near Northeastern University is centrally located to where you need to be.

Upcoming Events at AC Hotel Boston Downtown

There's always something special happening at AC Hotel Boston Downtown. Learn more about the exciting events coming up in this fall. Hear from unique guest speakers, make your own candle, design a sign or come out to Flight Nite to build your own drone. Choose your favorite and we'll see you there!

Plan an Inspired Event

Attendee Booking Tools

Image Attendee Booking Tools

We can provide you with a unique complimentary Reservation Link that makes it easy for your guests to reserve their rooms.

  • Shared in an email
  • Embed in a website
  • Personalized with your group name, event dates, hotel, and special rates
  • Displayed in multiple languages on Marriott domains worldwide

Manage Your Event with Ease

Group Lists

If you have a list of your guests, we can make reservations for all of them.

Rooming Lists

We can send you a report showing which of your guests have reserved rooms and when they plan to arrive.

Mobile Check-In

Guests can check in before their stay, receive instant alerts when their room is ready and check out by skipping the front desk.

Reward Yourself

Earn up to 50,000 plus Elite status, discounts and more.

Equipment and Services

Meeting Equipment

AV equipment

CD player

LCD Panel

LCD projector


Overhead projector

PA system portable

Rear screen projection

Stage: installed

Stage: portable


TV production service provider

Video camera

Walkie talkie radios

Meeting Services

AV technician


Copy service






Security guard


Business Equipment



Business Services

Copy service

Fax service

Messenger service

Network/Internet printing

Notary public

Overnight delivery/pickup

Page limit for free outgoing fax


Secretarial service


High-speed Internet access

Meeting rooms:Wireless


Capacity Chart

Convert Feet | Reset
  • Media Salon A
  • 3.4x4.3x3
  • 14
  • 6
  • 6
  • Media Salon B
  • 3.4x4.3x3
  • 14
  • 6
  • 6
  • Eaton Executive Boardroom
  • 7x8.2x3.4
  • 58
  • 50
  • 20
  • 12
  • 14
  • 50
  • 40
  • Barclay A
  • 8.2x7.9x3.4
  • 65
  • 80
  • 30
  • 16
  • 20
  • 70
  • 60
  • Barclay B
  • 8.2x10.1x3.4
  • 83
  • 60
  • 26
  • 14
  • 16
  • 60
  • 50
  • AC Kitchen
  • 7.9x11.3x3.4
  • 89
  • 80
  • 24
  • 80
  • 50
  • Pre-function Foyer / Art Gallery
  • 10.1x10.1x3.4
  • 101
  • 100
  • 100
  • Barclay AB
  • 8.2x18x3.4
  • 148
  • 140
  • 60
  • 30
  • 36
  • 130
  • 100

Room Set-Up Examples

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.

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.


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.

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.


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.


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.

AC Hotel by Marriott Boston Downtown