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Hotel 505 River North Chicago, Illinois
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Hotel comparison guide

Hotel 505 River North vs Chicago Athletic Association, a Hyatt Hotel

Hotel 505 River North is a 4.5-star River North property with modern American dining, a 17th-floor heated pool and family-friendly amenities. Chicago Athletic Association, a Hyatt Hotel is a landmark 4.5-star lifestyle hotel on Michigan Avenue by Millennium Park; read this if you want a historic downtown address and social dining/drink spots.

Updated · about 1.6 km apart

Rooftop terrace lounge seating with green cushions at Hotel 505 River North

Hotel 505 River North

River North · Heated indoor pool · Family-friendly

Best for travelers who want a River North base with an indoor pool, rooftop sun deck, and easy access to River North dining and nightlife.

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Chicago Athletic Association, a Hyatt Hotel, Chicago, Illinois

Chicago Athletic Association, a Hyatt Hotel

Landmark · Near Millennium Park · Social venues

Best for visitors who want a landmark hotel steps from Millennium Park, Michigan Avenue and a cluster of notable restaurants and bars in a historic setting.

Quick Verdict: Hotel 505 River North vs Chicago Athletic Association, a Hyatt Hotel

When Hotel 505 River North wins: choose Hotel 505 if an on-site heated indoor pool (17th floor), a rooftop sun deck and family- / pet-friendly policies matter. It’s a practical River North base for food, galleries and nightlife.

When Chicago Athletic Association wins: pick Chicago Athletic Association if you want a historic landmark hotel right on Michigan Avenue near Millennium Park, plus a selection of restaurants, bars and large meeting/event spaces.

Bottom line: both are 4.5-star, design-conscious city hotels; Hotel 505 leans into River North dining, pools and family-friendly amenities, while Chicago Athletic Association sells location, history and social venues by Millennium Park.

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Hotel 505 River North vs Chicago Athletic Association, a Hyatt Hotel – At a Glance

Side-by-side facts for Hotel 505 River North and Chicago Athletic Association, a Hyatt Hotel
CategoryHotel 505 River NorthChicago Athletic Association, a Hyatt Hotel
Overall vibeContemporary River North lifestyle hotelHistoric landmark lifestyle hotel with social venues
Location505 N. State Street — River North, near Magnificent Mile12 South Michigan Avenue — steps from Millennium Park and Michigan Avenue
Size (rooms)261 rooms and suites240 rooms
Building/ageModern/upgraded downtown hotel (rebranded from Royal Sonesta)Historic landmark building
PoolsHeated indoor pool on 17th floor; outdoor pool and rooftop sun deck notedNot published
Restaurants & barsCBR — American brasserie and cocktail/whiskey bar (breakfast–dinner, happy hour)Four restaurants including MIdoSuji and a bar/lounge; 24-hour room service
Spa / treatmentsNo standalone spa; in-room spa treatments and spa suites with jetted tubsNot published
Meetings & events≈8,000+ sq ft meeting space across 10 rooms (ballroom, banquet hall)≈17,000 sq ft conference/banquet space across multiple rooms
Fitness24-hour fitness center on 17th floor with Peloton bikes
Pet & family policyDog-friendly (up to two dogs, fee); family-friendly (children welcome)Allows pets in specific rooms; not adults-only
Nearby highlightsChicago Riverwalk, Magnificent Mile, River North galleriesMillennium Park, Grant Park, Art Institute within short walk

A Look Inside Hotel 505 River North

Hotel 505 River North: rooms & suitesRooms & suitesHotel 505 River North: diningDiningHotel 505 River North: spa & wellnessSpa & wellness
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Location: River North vs Michigan Avenue

Hotel 505 River North – Location

Hotel 505 sits at 505 N. State Street in River North, a walkable dining/gallery/nightlife neighborhood close to the Magnificent Mile and Chicago Riverwalk.

  • About a 3–7 minute walk to Michigan Avenue and the Chicago Riverwalk.
  • Near CTA Red Line access at Grand/State for quick transit.
  • Within walking distance of galleries, House of Blues and River North nightlife.

Choose Hotel 505 if you want to be based in River North’s dining and nightlife scene.

Chicago Athletic Association, a Hyatt Hotel – Location

Chicago Athletic Association is at 12 S. Michigan Avenue, immediately adjacent to Millennium Park and a short walk to Loop attractions.

  • Steps from Millennium Park, Cloud Gate (The Bean) and Grant Park.
  • Direct access to Michigan Avenue shopping and nearby cultural venues.
  • High name recognition for visitors who prioritize central Loop locations.

Pick Chicago Athletic Association for a landmark address and immediate access to Millennium Park and Michigan Avenue.

Rooms: 261 at Hotel 505 vs 240 at Chicago Athletic Association

Hotel 505 River North – Rooms

Hotel 505 offers 261 individually decorated rooms and spa-suite options oriented to urban travelers and families.

  • Room types include Deluxe Room (1 King Bed or 2 Queen Beds) and Deluxe Room, City View (1 King Bed).
  • Spa Suites (Junior, One-Bedroom, Luxury) include jetted 'Fuji' soaking tubs for in-room relaxation.
  • Free Wi‑Fi in rooms; housekeeping on request; check-in 4:00 PM / check-out 11:00 AM.

Hotel 505 is a practical choice for guests who want in-room spa options and family-friendly room choices.

Chicago Athletic Association, a Hyatt Hotel – Rooms

Chicago Athletic Association has 240 air-conditioned rooms with premium bedding and a mix of park/madison/park-view junior suites.

  • Room types include King, Queen, Double and multiple Junior and Founders suites with views noted in many names.
  • Rooms feature minibars, flat-screen TVs and designer toiletries.
  • Complimentary Wi‑Fi and 24-hour front desk service.

Choose Chicago Athletic Association if you value a landmark building with a wide range of room types and views toward Millennium Park.

Dining & drinks: CBR vs the Athletic Association lineup

Hotel 505 River North – Dining & drinks

Hotel 505’s on-site restaurant CBR serves modern American brasserie food across the day with a dedicated bar and happy hour.

  • CBR serves breakfast (Mon–Fri 7–11am), lunch (Mon–Fri 11–2pm), weekend brunch and dinner on select nights.
  • Happy hour Tuesday–Friday, 4–6pm; reservations recommended.
  • CBR offers craft cocktails, spirit-free drinks and a whiskey selection; hotel offers a $10 restaurant credit included in destination fee.

Hotel 505 is convenient for casual all-day dining in-house and easy access to River North restaurants.

Chicago Athletic Association, a Hyatt Hotel – Dining & drinks

Chicago Athletic Association lists four restaurants and bars (including MIdoSuji) and an active bar/lounge scene inside a landmark setting.

  • Multiple on-site dining options and a bar/lounge; 24-hour room service is available.
  • Featured restaurants include MIdoSuji (one of the hotel’s outlets).
  • Cooked-to-order breakfasts available for a fee; a coffee shop/cafe and rooftop terrace add variety.

Chicago Athletic Association is stronger if you want several on-site dining and drinking venues in a historic setting.

Pools & signature amenity: rooftop sun deck and more

Hotel 505 River North – Pools & signature amenity

Hotel 505 highlights a heated indoor pool on the 17th floor, paired with a rooftop sun deck and seasonal outdoor pool references.

  • Heated indoor lap pool open year-round on the 17th floor alongside the fitness center.
  • Rooftop sun deck provides outdoor seating when weather allows.
  • Some third-party listings also reference an outdoor pool; the hotel’s site emphasizes the indoor pool and sun deck.

If an on-site year-round heated pool and rooftop sun deck are important, Hotel 505 is the clear choice.

Chicago Athletic Association, a Hyatt Hotel – Pools & signature amenity

Chicago Athletic Association’s public highlights focus on rooftop terrace and social spaces; an on-site pool is not published in supplied facts.

  • Rooftop terrace is listed among highlights and is a place for views and guest use.
  • Public areas include a lobby fireplace and several bar/lounge spaces.
  • No on-site pool is listed in the supplier facts provided.

Chicago Athletic Association offers rooftop and social spaces but no published on-site pool.

Wellness & nightlife: fitness and after-dark options

Hotel 505 River North – Wellness & nightlife

Hotel 505 has a 24-hour fitness center with Peloton bikes on the pool floor and River North nightlife nearby.

  • 24-hour fitness facility located on the 17th floor; access bundled into the nightly destination fee.
  • River North nightlife (bars, supper clubs, live music) is a short walk away.
  • The hotel offers in-room spa treatments and spa suites rather than a dedicated spa facility.

Hotel 505 suits guests who want round-the-clock fitness plus quick access to River North evening options.

Chicago Athletic Association, a Hyatt Hotel – Wellness & nightlife

Chicago Athletic Association offers 24-hour fitness facilities and an active in-hotel nightlife and dining scene around Michigan Avenue.

  • 24-hour fitness facilities are listed among amenities.
  • Multiple bars and restaurants inside the hotel create evening options without leaving the building.
  • Large meeting and event spaces mean the hotel often hosts social and corporate events.

Chicago Athletic Association is a good pick for guests who want on-site evening venues in a central downtown location.

Who Wins? Best Pick by Travel Style

Best for families
Guest seated with a glass of wine by a fireplace at Hotel 505 River North

Hotel 505 River North

Hotel 505 — family-friendly pools, kids welcome and family-oriented River North location.

Best for landmark location
Chicago Athletic Association, a Hyatt Hotel, Chicago, Illinois

Chicago Athletic Association, a Hyatt Hotel

Chicago Athletic Association — steps from Millennium Park and Michigan Avenue in a historic building.

Best for on-site pool
Person standing with a black tote bag against a red tufted wall at Hotel 505 River North

Hotel 505 River North

Hotel 505 — heated indoor pool on the 17th floor and rooftop sun deck.

Best for social dining & bars
Chicago Athletic Association, a Hyatt Hotel, Chicago, Illinois

Chicago Athletic Association, a Hyatt Hotel

Chicago Athletic Association — multiple restaurants and a busy bar/lounge program in a landmark setting.

Frequently asked questions

Hotel 505 River North vs Chicago Athletic Association, a Hyatt Hotel: FAQs

See all FAQs →
Which hotel is closer to Millennium Park?

Chicago Athletic Association is the closer option — it sits on Michigan Avenue adjacent to Millennium Park.

Which hotel has a pool?

Hotel 505 has a published heated indoor pool on the 17th floor and a rooftop sun deck; Chicago Athletic Association has no on-site pool listed in the supplier facts.

Are either of these adults-only properties?

No — both properties accept guests of all ages; Hotel 505 is explicitly family-friendly and Chicago Athletic Association is not listed as adults-only.

Which is better for meetings and events?

Chicago Athletic Association has about 17,000 sq ft of event space and multiple meeting rooms; Hotel 505 offers roughly 8,000+ sq ft across 10 rooms — choose based on size needs and location preference.

More Hotel 505 River North Comparison Guides

Explore how Hotel 505 River North stacks up against other hotels nearby:

Person carrying a citrus-pattern pool float beside the indoor pool at Hotel 505 River North
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Heated 17th‑Floor Pool & Rooftop Deck

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The nightly rate shown is the lowest nightly rate we found for Hotel 505 River North after searching every available night up to 12 months in advance, based on single occupancy (one guest). We compared that rate with publicly available rates on other online travel agencies (OTAs), such as Expedia, Hotels.com and similar sites, and show the price difference we found. We don't name the specific site each comparison came from.

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