DoubleTree by Hilton Hotel Chicago - Magnificent Mile — Event Spaces, Floor Plans & Capacities

300 E Ohio St, Chicago, IL 60611

14 rooms · largest space: LaSalle Ballroom, 6,700 sq ft622 m²

With 14 event rooms, DoubleTree by Hilton Hotel Chicago - Magnificent Mile is a flexible choice for meetings and celebrations in Chicago. The largest space is LaSalle Ballroom, 6,700 sq ft622 m² (divisible into 2 sections). It holds up to 900 guests. Full capacity details for each room are below.

Plan an event in LaSalle Ballroom: open a free to-scale layout seating 400 at round tables in its 67 × 100 ft footprint at floors.live/start — no account needed.

Between them, the 14 rooms accommodate theater-style sessions for up to 700, seated banquets for 900 and standing receptions for 900. 5 smaller rooms suit breakouts and board meetings. Per-room dimensions and every published setup figure are listed below.

Plan your event in this space — free

Unverified listing — compiled from DoubleTree by Hilton Hotel Chicago - Magnificent Mile’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/illinois/chicago/doubletree-by-hilton-hotel-chicago-magnificent-mile/?claim=1.

Floor plans

Detailed floor plans for DoubleTree by Hilton Hotel Chicago - Magnificent Mile are published on the venue’s official site.

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Room capacities & dimensions

14 rooms, 20 configurations. Combined and divided set-ups are listed under their room.

Room capacities and dimensions for DoubleTree by Hilton Hotel Chicago - Magnificent Mile
SpaceSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceBoardroomU-ShapeHollow Sq.
Fairbanks RoomPlan this room →420 sq ft39 m²8 ft2.4 m————12———
Huron RoomPlan this room →1,152 sq ft107 m²9 ft2.7 m7070407030—2830
Lasalle Ballroom IPlan this room →3,350 sq ft311 m²14 ft4.3 m45025020045060—5060
1 configuration with Lasalle Ballroom I
Combined and divided set-ups that include Lasalle Ballroom I
ConfigurationSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceBoardroomU-ShapeHollow Sq.
LaSalle BallroomPlan this room →6,700 sq ft622 m²14 ft4.3 m900700450900————
LaSalle Ballroom IIPlan this room →3,350 sq ft311 m²14 ft4.3 m45030020045060—5060
Lower Pool DeckPlan this room →——80———————
Michigan RoomPlan this room →621 sq ft58 m²8 ft2.4 m5040245025—2325
OntarioPlan this room →196 sq ft18 m²8 ft2.4 m————10———
St. Clair RoomPlan this room →464 sq ft43 m²9 ft2.7 m4036163022—2022
State Room Foyer (pre-function space)Plan this room →1,056 sq ft98 m²12 ft3.7 m40———————
State Room IPlan this room →714 sq ft66 m²10 ft3 m6050326030—2525
1 configuration with State Room I
Combined and divided set-ups that include State Room I
ConfigurationSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceBoardroomU-ShapeHollow Sq.
State RoomPlan this room →1,666 sq ft155 m²10 ft3 m12511060125————
State Room IIPlan this room →952 sq ft88 m²10 ft3 m7565407530—3030
Superior IPlan this room →672 sq ft62 m²8 ft2.4 m6050326030262530
4 configurations with Superior I
Combined and divided set-ups that include Superior I
ConfigurationSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceBoardroomU-ShapeHollow Sq.
Superior 1 & 2Plan this room →1,316 sq ft122 m²8 ft2.4 m——60—40—36—
Superior 2 & 3Plan this room →1,344 sq ft125 m²8 ft2.4 m40—60—40—36—
Superior RoomPlan this room →2,072 sq ft192 m²2,072 ft631.5 m18015010018065—6065
Superior RoomsPlan this room →2,072 sq ft192 m²8 ft2.4 m18015010018065—6065
Superior IIPlan this room →672 sq ft62 m²8 ft2.4 m6050326030262530
Superior IIIPlan this room →728 sq ft68 m²8 ft2.4 m6050326030262530

Figures from published venue data; blank cells mean the venue hasn’t published that number. Verify final counts with the venue.

Sizing another room? Try the event room capacity calculator or the floor plan scale converter, or compare the largest event spaces in Chicago.

Frequently asked questions

What is the floor plan of DoubleTree by Hilton Hotel Chicago - Magnificent Mile?

DoubleTree by Hilton Hotel Chicago - Magnificent Mile has 14 rooms. The largest space is LaSalle Ballroom, 6,700 sq ft (67 × 100 ft). Every room's dimensions and seating capacity by setup are listed on this page. For the venue's own drawings, see its official website, linked from this page.

How many event rooms does DoubleTree by Hilton Hotel Chicago - Magnificent Mile have?

DoubleTree by Hilton Hotel Chicago - Magnificent Mile has 14 rooms. 20 configurations are listed on this page.

What is the largest space at DoubleTree by Hilton Hotel Chicago - Magnificent Mile?

LaSalle Ballroom, 6,700 sq ft (divisible into 2 sections): 67 × 100 ft, 900 banquet / 700 theater.

How many people can DoubleTree by Hilton Hotel Chicago - Magnificent Mile seat for a banquet?

Up to 900 in LaSalle Ballroom. The next largest room, Superior Room, seats 180.

Can LaSalle Ballroom be divided?

Yes. LaSalle Ballroom divides into 2 sections: Lasalle Ballroom I, LaSalle Ballroom II.

What is the ceiling height at DoubleTree by Hilton Hotel Chicago - Magnificent Mile?

The highest ceiling is 14 ft, in Lasalle Ballroom I.

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