Rooms & Capacities

Sophisticated Style and Flexible Space

Our Chicago hotel offers sophisticated, stylish meeting spaces. The stunning Walnut Ballroom boasts 3,400 square feet, with captivating 15-foot ceilings, art deco chandeliers, warm walnut accents, and natural light. Our smaller Imperial and Orpheum Rooms are perfect for meetings and conferences, with the flexibility for breakouts. In short, our endlessly intriguing spaces empower our meeting planners to design, scale and customize every aspect of the event environment.

Lobby

Room  Sq Ft Dimensions Banquet Reception U-Shape Theater Classroom Hollow Conference 360 Views
Walnut Ballroom 3,400' 85' x 40' 300 400 56 400 175 60 60 See Inside
Walnut Foyer 1,170' 45' x 26' - 100 - - - - - See Inside
Crescendo Lounge 285' 15' x 19' - 15 - - - - - See Inside

 

Mezzanine Level

Room  Sq Ft Dimensions Banquet Reception U-Shape Theater Classroom Hollow Conference 360 Views
Savoy 2,884' 70' x 26' 170 250 40 60 50 30 30 See Inside

 

Ground Floor

Room  Sq Ft Dimensions Banquet Reception U-Shape Theater Classroom Hollow Conference 360 Views
Palladium 1,276' 44' x 29' 80 150 26 75 46 32 30 See Inside
Palladium Foyer 340' 17' x 20' - 30 - - - - - See Inside

 

Third Floor

Room  Sq Ft Dimensions Banquet Reception U-Shape Theater Classroom Hollow Conference 360 Views
Aragon 462' 22' x 21' 30 30 15 25 20 18 16 See Inside
Imperial I 1,906' 72' x 34' 100 100 26 100 60 50 50 See Inside
Imperial II 988' 52' x 19' 60 50 26 80 36 20 30 See Inside
Imperial l + ll 2,894' 124' x 34' 160 150 40 180 100 60 50 See Inside
Orpheum I 924' 44' x 21' 50 70 28 70 40 30 30 See Inside
Orpheum II 462' 22' x 21' 30 30 15 25 20 18 18 See Inside
Orpheum l + ll 1,386' 66' x 21' 80 100 46 100 50 45 50 See Inside
Rialto I 462' 22' x 21' 30 40 15 25 20 18 16 See Inside
Rialto II 462' 22' x 21' 30 40 15 25 20 18 16 See Inside
Rialto  l + ll 924' 44' x 21' 60 70 24 60 40 30 24 See Inside
Tivoli 462' 22' x 21' 30 30 15 25 20 18 16 See Inside

 

Sixteenth Floor

Room  Sq Ft Dimensions Banquet Reception U-Shape Theater Classroom Hollow Conference 360 Views
Biograph 280' 20' x 14' - 14 9 20 10 8 10 See Inside

 

Nineteenth Floor

Room  Sq Ft Dimensions Banquet Reception U-Shape Theater Classroom Hollow Conference 360 Views
Starlet Suite 950' 19'x 50' - 20 - - - - - See Inside

 

From conferences and intimate gatherings to weddings, graduations and business meetings, The Allegro Royal Sonesta Hotel is dedicated to personal service and memorable experiences … among the most amenable meeting rooms in Chicago.

Events & Meetings

It may be a day of projectors, coffee breaks and note-taking for sales training or professional development that calls for a conference room in Chicago. Perhaps it’s a 50th anniversary with a nostalgic slide show and a big band dance party. Maybe it’s a pair of young lovers tying the knot with families and friends sharing their special day. Whatever your needs, our team of professionals attend to every detail to provide the best Chicago meeting facilities and experience to make it an event to remember.

Plus, take advantage of these additional services:

  • Concierge services
  • Valet parking
  • 24-hour state-of-the-art fitness center
  • 24-hour Business Center