
Marriott Marquis Chicago
Best for large meetings, conventions, and travelers who need direct McCormick Place access.
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Marriott Marquis Chicago is a large, modern 4-star convention hotel with direct skybridge access to McCormick Place; read this if you're attending a conference, traveling with family, or need lots of meeting space. The St. Regis Chicago is a newer five-star luxury hotel in a distinctive Lakeshore East tower; read this if you want a high-end downtown stay with a full-service spa and river/lake access.
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Best for large meetings, conventions, and travelers who need direct McCormick Place access.

Best for travelers seeking newer five-star luxury, a full-service spa, and downtown river/lakefront proximity.
When Marriott Marquis Chicago wins: Choose Marriott Marquis if you need direct McCormick Place/Wintrust Arena access, large meeting or ballroom capacity, many rooms for groups, or a family-friendly base in the South Loop.
When The St. Regis Chicago wins: Choose The St. Regis Chicago for higher-end, five-star service in a signature tower with a full-service spa, indoor pool, and a central Lakeshore East/Riverwalk location.
Bottom line: Pick Marriott Marquis for practicality and scale around conventions and large events; pick The St. Regis Chicago when luxury, spa time, and a downtown river/lakefront address matter more than direct convention access.
| Category | Marriott Marquis Chicago | The St. Regis Chicago |
|---|---|---|
| Overall vibe | Large, practical, event-focused urban hotel | Contemporary five-star luxury in a signature tower |
| Location | South Loop, skybridge to McCormick Place and Wintrust Arena | Lakeshore East / near Chicago Riverwalk, close to Millennium Park and Michigan Avenue |
| Size (rooms) | 1,205 guest rooms across 39–40 floors | 192 air-conditioned rooms |
| Star rating / guest score | 4-star (major convention hotel); family-oriented | 5-star · guest rating 9.4 |
| Pools | No on-site pool | Indoor pool available |
| Restaurants & bars | Woven and Bound, 2121 Pantry, Showroom Food Hall, plus in-room dining/M Club | 2 restaurants, 1 bar/lounge, 24-hour room service and coffee shop/cafe |
| Spa & wellness | No verified on-site spa; complimentary 24-hour fitness center with Lake Michigan views | Full-service spa, steam room, 24-hour fitness center |
| Meeting & event space | Nearly 90,000 sq ft across ~63 meeting rooms, two 25,000-sq-ft ballrooms, Level 33 venue | 8 meeting rooms available (smaller scale than Marriott Marquis) |
| Family / age policy | Welcomes children of all ages (family-friendly) | All-ages property (not adults-only) |
| Parking & arrival | On-site self parking and valet available (fees apply); connected to public transit near McCormick Place | Valet parking (surcharge) and secured parking available |
Marriott Marquis sits in the South Loop with a skybridge to McCormick Place and Wintrust Arena — convenience for events is the headline.
Best if your trip centers on conventions, arena events, or quick access to the South Loop’s attractions.
The St. Regis Chicago is in Lakeshore East near the Chicago Riverwalk and within walking distance of Michigan Avenue and Millennium Park.
Best when you want a downtown address with easy access to the river, parkland, and flagship shopping/cultural areas.
Marriott Marquis offers a very large room inventory with many room types and lake- or city-view options.
Choose Marriott Marquis for a wide range of room types and reliable family-friendly bedding configurations.
The St. Regis Chicago has far fewer rooms but emphasizes premium bedding, designer toiletries and suite choices.
Pick The St. Regis Chicago for a smaller inventory of higher‑end rooms and many named suite options.
Marriott Marquis focuses on variety and scale with sit-down, grab-and-go and food-hall concepts.
Better for groups and families who want casual variety and quick options without leaving the hotel.
The St. Regis Chicago has fewer on-site dining venues and emphasizes in-room and restaurant service.
Better for travelers who prefer fine-dining or quieter, hotel-centered restaurant experiences.
Marriott Marquis does not have an on-site swimming pool; outdoor lakefront access and trails are nearby.
If a hotel pool matters, Marriott Marquis is not the right choice — factor nearby lakefront options instead.
The St. Regis Chicago lists an indoor pool plus a full-service spa and steam room among its facilities.
The St. Regis is the better pick when on-site pool and spa amenities are priorities.
Marriott Marquis has a 24-hour fitness center and a lively food hall that serves as an on-site nightlife/meal hub.
Good for active travelers and those who want casual on-site evening food options and a 24-hour workout facility.
The St. Regis Chicago emphasizes spa-driven wellness and refined interiors with quieter dining and a single bar/lounge.
Better for guests who plan to use spa services, want a quieter hotel evening, or prefer an upscale lounge environment.

Direct skybridge to McCormick Place, huge meeting footprint (nearly 90,000 sq ft) and ballrooms for large groups.

Indoor pool plus a full-service spa and steam room for guests who prioritize wellness amenities.

1,205 rooms and family-friendly policies make it easier to book blocks and accommodate groups with kids.

Five-star product with named suites (Caroline Astor, John Jacob Astor) and premium in-room amenities.
Marriott Marquis Chicago — it connects directly to McCormick Place via skybridge and is built for large events.
The St. Regis Chicago — it lists an indoor pool and a full-service spa. Marriott Marquis does not have an on-site pool and has no verified on-site spa.
No. Both properties welcome guests of all ages; neither is an adults-only property.
The St. Regis Chicago is closer to Michigan Avenue, Millennium Park and the Riverwalk for downtown sightseeing; Marriott Marquis is farther south in the South Loop.
Explore how Marriott Marquis Chicago stacks up against other hotels nearby:
vs. sites like Expedia, Hotels.com and other OTAs ·