
Hotel 505 River North
Best for travelers who want a neighborhood River North base, family-friendly pools, and straightforward modern-brasserie dining at CBR.
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Hotel 505 River North is a 4.5-star River North hotel with neighborhood access, family-friendly amenities, and a heated 17th-floor pool; this guide is for travelers who want a lively downtown stay near galleries, nightlife, and the Magnificent Mile. The St. Regis Chicago is a newer five-star ultra-luxury hotel in a signature downtown tower; read on if you want newer five-star service, a larger-scale luxury footprint, and full spa and meeting facilities.
Updated · about 0.8 km apart

Best for travelers who want a neighborhood River North base, family-friendly pools, and straightforward modern-brasserie dining at CBR.

Best for guests seeking newer ultra-luxury rooms and suites, a full-service spa, and a high-profile downtown address near the Riverwalk.
When Hotel 505 River North wins: choose Hotel 505 if you want a River North neighborhood experience, easier walk access to galleries and nightlife, family-friendly pool options, pet flexibility, and a modern-American brasserie on-site at approachable hotel scale.
When The St. Regis Chicago wins: pick The St. Regis when five-star finishes, a signature skyscraper setting, a full-service spa, and a hotel positioned explicitly as ultra-luxury matter most to your stay.
Bottom line: both hotels put you close to downtown attractions; Hotel 505 leans neighborhood and family-friendly with practical amenities, while The St. Regis Chicago delivers a newer five-star, full-service luxury experience.
| Category | Hotel 505 River North | The St. Regis Chicago |
|---|---|---|
| Overall vibe | Neighborhood River North hotel, modern-brasserie casual luxury | Newer five-star ultra-luxury tower property |
| Location | 505 N. State Street — River North, steps to Magnificent Mile and Riverwalk | 401 East Upper Wacker Drive — centrally located near Chicago Riverwalk and Grant Park |
| Size (rooms) | 261 rooms and suites | 192 rooms |
| Ages / audience | All ages welcome; family-friendly | All ages welcome; not adults-only |
| Pools | Heated 17th-floor indoor pool, rooftop sun deck; some listings note an outdoor pool | Indoor pool (1) and spa wellness facilities |
| Restaurants & bars | CBR: on-site American brasserie and cocktail/whiskey bar serving breakfast–dinner and happy hour | 2 restaurants and 1 bar/lounge; 24-hour room service available |
| Spa & wellness | No standalone spa — in-room spa treatments and Spa Suites with jetted tubs | Full-service spa, steam room, 24-hour fitness center |
| Meetings & events | ~8,000+ sq ft across 10 rooms, ballroom and banquet options | 8 meeting rooms available for events |
| Parking & fees | Valet parking (≈ $80/night); nightly destination fee covers select amenities | Valet parking (surcharge, covered parking available); various resort fees and extras apply |
| Nearby highlights | Short walk to Riverwalk, Magnificent Mile, House of Blues, galleries | Within a 10-minute walk of Chicago Riverwalk, Michigan Avenue and Millennium Park |
Hotel 505 sits on North State Street in River North, a highly walkable area for dining, galleries and nightlife.
Hotel 505 is a neighborhood base for River North exploration and nightlife.
The St. Regis Chicago sits in a signature downtown tower near the Riverwalk and Michigan Avenue.
The St. Regis is positioned as a downtown luxury landmark with direct access to key attractions.
Hotel 505 has 261 individually decorated guestrooms and spa-style suites for in-room relaxation.
Choose Hotel 505 for roomy, individually styled rooms and in-room spa options without a separate spa facility.
The St. Regis Chicago offers a range of Superior–Grand rooms and multiple suite categories up to named suites.
The St. Regis emphasizes traditional five-star room and suite categories with premium bedding and in-room amenities.
Hotel 505's on-site CBR serves modern American brasserie cuisine and a cocktail/whiskey program across all-day service.
Hotel 505 provides a single dependable all-day restaurant and bar suited to hotel and neighborhood dining.
The St. Regis Chicago lists two restaurants and a bar/lounge, plus 24-hour room service and a coffee shop/cafe.
The St. Regis offers multiple in-house dining venues consistent with five-star full-service expectations.
Hotel 505 highlights a heated indoor pool on the 17th floor with a rooftop sun deck and 24-hour fitness center.
For pool-focused guests who like a high-floor urban pool and rooftop deck, Hotel 505 provides a clear, family-friendly option.
The St. Regis features an indoor pool plus a full-service spa with steam room and treatments by reservation.
The St. Regis is the stronger choice if you want a dedicate spa program alongside pool and fitness facilities.
Hotel 505 supports wellness with in-room spa treatments, Spa Suites, and a 24-hour fitness room — nightlife is River North-focused.
Pick Hotel 505 when you want fitness and in-room spa options plus easy access to River North nightlife.
The St. Regis offers a full-service spa, steam room, and luxury bar/lounge geared to five-star guests.
The St. Regis is the pick for travelers prioritizing a full spa program and formal five-star dining and bar experiences.

Hotel 505 — steps from State Street, galleries, nightlife and the Magnificent Mile.

The St. Regis Chicago — newer tower with full-service spa, luxury suites and five-star positioning.

Hotel 505 — family-friendly pools and a clear dog-friendly policy with published pet fees.

The St. Regis Chicago — multiple named suites and premium room categories up to the Caroline Astor Suite.
Both are downtown; Hotel 505 is right in River North within a few minutes' walk to the Magnificent Mile, while The St. Regis is also within easy walking distance but sits slightly closer to the river.
The St. Regis Chicago has a full-service spa. Hotel 505 offers in-room spa treatments and Spa Suites but does not have a standalone spa facility.
No. Both properties welcome guests of all ages; Hotel 505 is explicitly family-friendly and The St. Regis is not adults-only.
Hotel 505 is the better family choice: it lists family-friendly pools (a shallow pool noted by guests), family amenities, and a flexible, neighborhood location.
Explore how Hotel 505 River North stacks up against other hotels nearby:
vs. sites like Expedia, Hotels.com and other OTAs ·