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: