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
Walnut Ballroom 3,400' 85' x 40' 300 400 56 400 175 60 60
Walnut Foyer 1,170' 45' x 26' - 100 - - - - -
Crescendo Lounge 285' 15' x 19' - 15 - - - - -

 

Mezzanine Level

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

 

Ground Floor

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

 

Third Floor

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

 

Sixteenth Floor

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

 

Nineteenth Floor

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

 

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