112 Washington Place, Pittsburgh, Pennsylvania 15219 USA
+1 412-471-4000

Organize a meeting or event

Share your expectations with our experienced organizers who will inform you about rates and room availability.

  • 19

    Event Rooms

  • 2,481 sq m

    Total Event Space

  • 940

    Capacity Largest Space

  • 16

    Maximum Breakout Rooms

About This Venue

  • Host a successful corporate event with us in one of our versatile Pittsburgh meeting spaces.

  • Our Grand Ballroom boasts 9,100 square feet of space & can seat up to 700 conference attendees.

  • Each of our meeting venues features modern audiovisual technology & high-speed internet access.

  • Our culinary team is on hand to prepare a delicious, customized menu for your corporate occasion.

  • Use our convenient hotel business center to take care of last-minute meeting needs.

  • Plan a corporate business trip & save when you take advantage of our Pittsburgh hotel deals.

Plan an Inspired Event

Image See What’s Possible
See What's Possible.

Search our event ideas online with inspiring event photos, tips and layouts - specific to this hotel.

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

Image Manage Your Event with Ease
Keep Your Event in Hand.

Manage event details, make real-time requests and connect with our staff - from the palm of your hand.

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.

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Reward Yourself

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

Equipment and Services

Meeting Equipment

AV equipment

CD player

LCD projector

Microphone

Overhead projector

PA system portable

Polling devices

Rear screen projection

Stage: installed

Stage: portable

TV

TV production service provider

Video camera

Walkie talkie radios

Meeting Services

AV technician

Carpenter

Copy service

Decorator

Electrician

Laborer

Locksmith

Photographer

Security guard

Videoconferencing

Business Equipment

Computers

Printers

Business Services

Copy service

Fax service

Fee for each additional page of outgoing fax

Full-service business center

Messenger service

Overnight delivery/pickup

Post/parcel

High-speed Internet access

Meeting rooms:Wired,Wireless

Catering

Afternoon Break

Coffee Break

Dinner

Lunch

Reception

Capacity

Floor Plans

Capacity Chart

Convert Feet | Reset
  • Three Rivers Conference Center/Monongahela Room
  • 5.2x7.3x3.7
  • 34
  • 30
  • 20
  • 20
  • 9
  • 30
  • 20
  • Three Rivers Conference Center/Ohio Room
  • 6.1x7.3x3.7
  • 43
  • 30
  • 20
  • 20
  • 12
  • 30
  • 20
  • Allegheny Room
  • 4x11.3x0
  • 44
  •  
  •  
  •  
  •  
  •  
  •  
  • Grand Ballroom Salon 1
  • 9.4x7.3x3.6
  • 58
  • 70
  • 30
  • 21
  • 18
  • 40
  • 50
  • Grand Ballroom Salon 6
  • 9.4x7.3x3.6
  • 59
  • 70
  • 30
  • 21
  • 18
  • 40
  • 50
  • Executive Boardroom
  • 10.1x8.2x0
  • 83
  • 14
  •  
  • 14
  •  
  •  
  •  
  • City Center B
  • 9.8x9.1x3.6
  • 84
  • 90
  • 42
  • 26
  • 27
  • 40
  • 50
  • The Three Rivers Conference Center
  • 7.3x11.6x3.7
  • 85
  • 70
  • 39
  • 25
  • 24
  • 70
  • 60
  • Grand Ballroom Foyer B
  • 18.9x7.6x3.6
  • 104
  •  
  •  
  •  
  •  
  •  
  •  
  • Marquis Ballroom A
  • 17.4x8.2x3.6
  • 137
  • 150
  • 81
  • 42
  • 39
  • 120
  • 110
  • Pittsburgh Room
  • 13.7x10.1x0
  • 138
  • 80
  • 42
  • 26
  • 30
  • 80
  • 60
  • Grand Ballroom Salon 3
  • 20.4x8.5x3.6
  • 156
  • 180
  • 99
  • 60
  • 51
  • 150
  • 120
  • Marquis Foyer
  • 19.5x11.6x3.6
  • 160
  •  
  •  
  •  
  •  
  •  
  •  
  • City Center A
  • 20.4x9.1x3.6
  • 163
  • 160
  • 75
  • 42
  • 30
  • 100
  • 120
  • Marquis Ballroom B
  • 17.4x10.4x3.6
  • 168
  • 200
  • 111
  • 42
  • 42
  • 130
  • 130
  • Marquis Ballroom C
  • 21.3x8.5x3.6
  • 170
  • 220
  • 126
  • 60
  • 45
  • 140
  • 140
  • Grand Ballroom Salon 4
  • 20.4x9.4x3.6
  • 175
  • 220
  • 111
  • 60
  • 51
  • 150
  • 120
  • Grand Ballroom Salon 2
  • 22.9x12.5x3.6
  • 188
  • 200
  • 108
  • 48
  • 54
  • 150
  • 120
  • Grand Ballroom Salon 5
  • 22.3x12.5x3.6
  • 189
  • 200
  • 108
  • 48
  • 54
  • 150
  • 120
  • Grand Ballroom Foyer A
  • 31.4x18.9x3.6
  • 329
  •  
  •  
  •  
  •  
  •  
  •  
  • Marquis Ballroom
  • 21.3x26.8x3.6
  • 474
  • 570
  • 270
  •  
  •  
  • 390
  • 370
  • Grand Ballroom
  • 24.7x36.6x3.6
  • 820
  • 940
  • 453
  •  
  •  
  • 740
  • 600

Room Set-Up Examples

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.

Pittsburgh Marriott® City Center