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ARIA Resort & Casino Las Vegas, Nevada
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Hotel comparison guide

ARIA Resort & Casino vs The Cosmopolitan Of Las Vegas

ARIA Resort & Casino is a sleek, polished 5-star resort on the Strip with large meeting space, multiple pools and a Forbes Five‑Star spa — best for travelers who want a full-service luxury stay. The Cosmopolitan Of Las Vegas is a trendier 5-star casino resort next door known for terrace rooms, dining and nightlife — read this if you want a younger, social Vegas vibe with balcony views.

Updated · about 0.4 km apart

Exterior nighttime view of ARIA Resort & Casino towers and illuminated fountain.

ARIA Resort & Casino

sleek · polished · large

Best for large meetings, a broad restaurant lineup and a full-service, Forbes Five‑Star spa.

See rooms & suites
The Cosmopolitan Of Las Vegas, Las Vegas, Nevada

The Cosmopolitan Of Las Vegas

trendy · terrace-driven · nightlife

Best for terrace rooms, a social nightlife scene and trend-forward dining and bars.

Quick Verdict: ARIA Resort & Casino vs The Cosmopolitan Of Las Vegas

When ARIA wins: choose ARIA if you want a polished, full-service luxury property with a large spa, three main pools (plus a 21+ dayclub), many signature restaurants and extensive convention space. ARIA is the practical pick for meetings, spa-focused stays, families and guests who prefer a refined atmosphere.

When The Cosmopolitan wins: choose The Cosmopolitan if you prefer a trendier, more social stay with terrace rooms, buzzy bars and restaurants, and a younger nightlife energy right next door to CityCenter. It’s the better choice for people who plan to spend evenings out and want rooms with private terraces or fountain/Strip views.

Bottom line: the two properties sit steps from each other and offer luxury dining and gaming; pick ARIA for scale, spa and convention amenities, and pick The Cosmopolitan for terrace-driven rooms and a nightlife-forward, social hotel experience.

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ARIA Resort & Casino vs The Cosmopolitan Of Las Vegas – At a Glance

Side-by-side facts for ARIA Resort & Casino and The Cosmopolitan Of Las Vegas
CategoryARIA Resort & CasinoThe Cosmopolitan Of Las Vegas
Overall vibeSleek, polished luxury with a large, composed resort feelTrend-forward, social and terrace-driven luxury
LocationOn the Las Vegas Strip / anchor of CityCenter (3730 S Las Vegas Blvd)
Size (rooms)4,004 rooms across 61 floors3,032 rooms (supplier listing highlights 3,032 rooms)
Star rating & guest score5 stars; guest rating: Not published5 stars; guest rating: 8.8
PoolsThree outdoor pools + three hot tubs; free for guests; separate 21+ LIQUID Pool LoungeOutdoor seasonal pool(s); poolside bars noted (reservations/seasonal access may apply)
Restaurants & barsAbout 13–14 restaurants including Carbone, Jean Georges Steakhouse, CATCH; multiple bars and a large food hall18 restaurants and 8 bars/lounges; known for high-profile dining and lively bars
Spa & wellnessThe Spa & Salon at ARIA — 80,000 sq ft, Forbes Five‑Star, 18+ for spa useFull-service spa and treatment rooms (details provided in supplier listing)
NightlifeJEWEL nightclub and lounges; polished nightlife venuesNightlife-forward with terrace bars and late-night scene
Known forLarge convention space, high-end dining roster, Forbes Five‑Star spaTerrace rooms and balconies, trendier restaurants, social nightlife
Casino150,000 sq ft casino (about 1,600 slot machines) and VIP gaming rooms

A Look Inside ARIA Resort & Casino

ARIA Resort & Casino: rooms & suitesRooms & suitesARIA Resort & Casino: diningDiningARIA Resort & Casino: spa & wellnessSpa & wellness
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Location: where they sit on the Strip

ARIA Resort & Casino – Location

ARIA sits at 3730 S Las Vegas Blvd as the anchor of CityCenter, minutes from The Shops at Crystals and the Bellagio fountains.

  • Direct CityCenter access and a free Aria Express tram station nearby.
  • About a 5-minute walk to The Cosmopolitan and within easy walking distance of major Strip venues.
  • Rideshare, taxi pickup and paid on-site parking are available.

Pick ARIA if you want a centrally located, easy-to-navigate base for the Strip and CityCenter.

The Cosmopolitan Of Las Vegas – Location

The Cosmopolitan sits immediately adjacent to CityCenter on the Strip, placing dining, nightlife and major attractions steps away.

  • Short walk to the Bellagio fountains, Crystals and Dolby Live.
  • Address: 3708 Las Vegas Blvd S; close pedestrian access to neighboring resorts.
  • Supplier listing highlights lots of on-site restaurants and bars, plus conference space.

Pick The Cosmopolitan if you want to be in the middle of a younger, nightlife-and-dining-focused neighborhood.

Rooms: ARIA’s scale vs The Cosmopolitan’s terraces

ARIA Resort & Casino – Rooms

ARIA offers 4,004 rooms and suites across many categories, from Deluxe Room types to Sky Suites penthouses.

  • Room types include Deluxe Room, Deluxe Strip View Room, Sky Suites One Bedroom Penthouse and multiple suite tiers.
  • In-room Wi‑Fi included via the resort fee; rollaway beds available for a fee.
  • Many rooms focus on modern, polished finishes and Strip or city views.

Choose ARIA for a broader roster of room types and large-suite options.

The Cosmopolitan Of Las Vegas – Rooms

The Cosmopolitan’s room list emphasizes Terrace Studio and Terrace Suite options known for private outdoor space.

  • Room types from City Room up to Terrace One Bedroom Suite and Terrace Suite Fountain View.
  • Several room types include private terraces or fountain-facing views.
  • Supplier listing shows many terrace-focused categories and accessible room options.

Choose The Cosmopolitan when a private terrace or direct outdoor room access matters to you.

Dining & drinks: signature restaurants and scenes

ARIA Resort & Casino – Dining & drinks

ARIA combines 13–14 on-site restaurants including well-known fine-dining names.

  • Signature venues include Carbone, Jean Georges Steakhouse, CATCH and Din Tai Fung.
  • Casual options include Proper Eats Food Hall, ARIA Patisserie and Posh Burger.
  • Multiple bars and lounges plus a casino-level 24/7 bar (Gem Bar).

Pick ARIA for a wide, polished dining lineup and easy options across price points.

The Cosmopolitan Of Las Vegas – Dining & drinks

The Cosmopolitan is notable for a long list of restaurants and a nightlife-forward bar scene.

  • Supplier listing cites 18 restaurants and 8 bars/lounges, plus 3 coffee shops/cafes.
  • Dining highlights and late-night scenes make the hotel social after dark.
  • Cooked-to-order breakfasts available for a fee and 24-hour room service.

Pick The Cosmopolitan if evening dining and late-night bars are a central part of your trip.

Pools & terrace life: family pools vs terrace rooms

ARIA Resort & Casino – Pools & terrace life

ARIA has three main outdoor pools, three hot tubs and a separate 21+ dayclub (LIQUID).

  • Main pools are family-friendly; LIQUID Pool Lounge is 21+ and reservation-based in season.
  • Hotel guests have complimentary access to the main pools; cabanas and reservable options are seasonal.
  • Sky Pool is reserved for Sky Suites guests.

Pick ARIA for multiple pool options that cover families, adults and suite-exclusive areas.

The Cosmopolitan Of Las Vegas – Pools & terrace life

The Cosmopolitan lists outdoor seasonal pool access and poolside bars in supplier details.

  • Supplier listing notes outdoor seasonal pool(s) and two poolside bars.
  • Pool access and hours are seasonal and may require reservations.
  • The property’s terrace rooms extend the outdoor experience into private space for many guests.

Pick The Cosmopolitan if private terraces or poolside socializing are priorities.

Wellness & nightlife: spa scale vs social energy

ARIA Resort & Casino – Wellness & nightlife

ARIA’s Spa & Salon is an 80,000 sq ft, Forbes Five‑Star facility with many specialty amenities.

  • Spa features include treatment rooms, a therapy pool, Shio salt room and private spa suites.
  • Spa use requires a minimum age (18+) and a service charge applies to treatments.
  • Nightlife includes JEWEL nightclub and several casino-level lounges.

Pick ARIA for a top-tier, treatment-focused spa plus formal nightlife options.

The Cosmopolitan Of Las Vegas – Wellness & nightlife

The Cosmopolitan pairs a full-service spa and active nightlife with terrace bars and late-night venues.

  • Supplier listing shows spa treatment rooms and numerous bars and lounges on-site.
  • The hotel is often chosen for its younger, social crowd and late-night dining/drinking options.
  • Conference and event space is also significant, supporting mixed-use stays.

Pick The Cosmopolitan for a nightlife-first stay that still offers spa services and events.

Who Wins? Best Pick by Travel Style

Best for meetings & conventions
Exterior nighttime view of ARIA Resort & Casino towers and illuminated fountain.

ARIA Resort & Casino

ARIA — far larger dedicated meeting and convention footprint and many configurable ballrooms and meeting rooms.

Best for terrace rooms & private outdoor space
The Cosmopolitan Of Las Vegas, Las Vegas, Nevada

The Cosmopolitan Of Las Vegas

The Cosmopolitan — many Terrace Studio and Terrace Suite options and rooms with private terraces.

Best for a top-tier spa
Curved lobby seating area with sofas and artwork at ARIA Resort & Casino.

ARIA Resort & Casino

ARIA — an 80,000 sq ft Forbes Five‑Star Spa & Salon with extensive specialty facilities.

Best for nightlife & late-night dining
The Cosmopolitan Of Las Vegas, Las Vegas, Nevada

The Cosmopolitan Of Las Vegas

The Cosmopolitan — nightlife-forward, terrace-driven bars and a younger, social atmosphere.

Frequently asked questions

ARIA Resort & Casino vs The Cosmopolitan Of Las Vegas: FAQs

See all FAQs →
Which hotel is better for families?

ARIA is more family-friendly overall; it has family-accessible pools and broader on-site amenities for mixed-age groups. The reservation holder must be 21 to check in at both properties.

Do either property have private terraces in rooms?

Yes — The Cosmopolitan highlights Terrace Studio and Terrace Suite categories; ARIA has suite tiers with views but is not terrace-focused.

Which property has a bigger spa?

ARIA — The Spa & Salon at ARIA is an 80,000 sq ft, Forbes Five‑Star facility. The Cosmopolitan has a full-service spa but ARIA’s is larger and more extensively detailed in supplier sources.

Can I walk between the two hotels?

Yes — they are adjacent on the Strip and about a 5-minute walk (roughly 0.4 km) apart.

More ARIA Resort & Casino Comparison Guides

Explore how ARIA Resort & Casino stacks up against other hotels nearby:

Open cabana interior with dining table, sofa and pool view at ARIA Resort & Casino
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The nightly rate shown is the lowest nightly rate we found for ARIA Resort & Casino 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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