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:
