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Aparthotel

Onyx

3.5 star property

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Property grounds

Reviews

8.6 out of 10
Excellent

Popular amenities

  • Kitchen
  • Air conditioning
  • Laundry
  • Gym

Explore the area

View in a map
305 North 15th Street, Philadelphia, PA, 19102
  • Place, Pennsylvania Convention Center
    ‪6 min walk‬
  • Place, Fairmount Park
    ‪8 min walk‬
  • Place, Reading Terminal Market
    ‪11 min walk‬
  • Airport, Philadelphia, PA (PHL-Philadelphia Intl.)
    ‪22 min drive‬

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About the neighborhood

Philadelphia

Located in Center City, Onyx is within a 10-minute walk of popular sights such as Pennsylvania Convention Center and Fairmount Park. This 21-room, 3.5-star aparthotel has in-room conveniences like kitchens, dining areas, and refrigerators.
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What's nearby

  • Pennsylvania Convention Center - 6 min walk - 0.4 miles
  • Benjamin Franklin Parkway - 8 min walk - 0.5 miles
  • Fairmount Park - 8 min walk - 0.5 miles
  • The Franklin Institute - 10 min walk - 0.5 miles
  • Reading Terminal Market - 11 min walk - 0.6 miles

Getting around

  • Race Vine Station - 3 min walk
  • Philadelphia University City Station - 4 min drive
  • Philadelphia Intl. Airport (PHL) - 18 min drive

Restaurants

  • ‪Fat Moon Restaurant & Bar - ‬1 min walk
  • ‪Shay’s Steaks - ‬5 min walk
  • ‪Dunkin' - ‬6 min walk
  • ‪Capriccio Cafe - ‬7 min walk
  • ‪La Marqueza - ‬7 min walk

About this property

Onyx

Guests of Onyx enjoy features like a gym, free WiFi in public areas, and laundry facilities. Helpful staff is there to provide concierge services, as well as offer insight about the area.
Each apartment is individually decorated and features a kitchen and space to spread out with a separate bedroom and a dining area. Guests can expect to find a 50-inch flat-screen TV with cable channels. The bathroom offers hair dryers and designer toiletries. Housekeeping is available on request.
Recreational amenities at the aparthotel include a fitness center.

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Total with taxes and fees
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Property amenities

Internet

  • Available in some public areas: Free WiFi

Parking and transportation

  • No onsite parking available

Family friendly

  • Free crib

Kitchen

  • Cookware, dishware, and utensils
  • Refrigerator

Bedrooms

  • Bedroom

Bathroom

  • 1 private bathroom
  • Bathtub or shower
  • Designer toiletries
  • Hair dryer

Living spaces

  • Separate dining area

Entertainment

  • 50-inch flat-screen TV with cable channels

Laundry

  • Laundry facilities

Comfort

  • Air conditioning

Pets

  • Service animals only (pets not allowed)

Suitability/Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • Elevator
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible registration desk
  • Smoking not allowed

Services and conveniences

  • Concierge services
  • Housekeeping (on request) (for a fee)

Location highlights

  • In the city center
  • Near a metro station

Things to do

  • Gym

Safety features

  • Carbon monoxide detector (host has indicated there is a carbon monoxide detector on the property)
  • Smoke detector (host has indicated there is a smoke detector on the property)
  • First aid kit
  • Fire extinguisher

General

  • 21 units
  • Housekeeping (on request)
  • Individual decor
  • Individual furnishings

Policies

Check-in

Check-in start time: 4:00 PM; Check-in end time: anytime
Contactless check-in available
Minimum check-in age: 18

Check-out

Check-out before 11:00 AM
Contactless check-out available

Special check-in instructions

There is no front desk at this property
Guests will receive an email within 72 hours before arrival with check-in instructions and an access code; your host will greet you
Prior to arrival, you must complete online registration via a secure link
You will be asked to provide the property with a copy of your government-issued photo ID after booking
Guests are recommended to download the property's Sonder mobile app before check-in
Guests can choose to either self-clean the property prior to check-out, or pay an additional cleaning fee of USD 89 at check-out
Information provided by the property may be translated using automated translation tools

Access methods

Access code, host will greet you

Pets

  • This property doesn't allow pets (service animals welcome)

Children and extra beds

  • Free cribs/infant beds are available

Property payment types

Important information

Optional extras

These fees and deposits will be charged at check-in, check-out, or the time of service.

  • Housekeeping fee: USD 89

This list may not be comprehensive. Fees and deposits might not include tax and are subject to change.

You need to know

Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
This property accepts credit cards; cash is not accepted
Noise-free guestrooms cannot be guaranteed
Host has indicated there is a carbon monoxide detector on the property
Host has indicated there is a smoke detector on the property
Safety features at this property include a fire extinguisher and a first aid kit
  • Check-in: 4:00 PM—-anytime
  • Check-out: 11:00 AM
  • Minimum check-in age: 18
Property Registration Number 914916

We should mention

Details about charges, deposits, or other important information:

  • This property is managed by a professional host. The provision of housing is linked to their trade, business, or profession.
  • Charges for extra guests may apply and vary depending on the property's policy.
  • A cash deposit, credit card, or debit card for incidental charges, as well as a government-issued photo ID, may be required at check-in.
  • Special requests are subject to availability at the time of check-in and can't be guaranteed. Certain requests may come with additional charges.
  • No parking is available onsite.
  • This property accepts credit cards. Cash is not accepted. 
  • Onsite safety features include a carbon monoxide detector, a fire extinguisher, a smoke detector, and a first aid kit.

Additional information about polices, regulations, and more:

  • No rollaway or extra beds are available.
  • Noise-free rooms can't be guaranteed.
  • This property welcomes guests of all sexual orientations and gender identities (LGBTQ+ friendly).

Frequently asked questions

Is a free cancellation option available at Onyx?

Onyx provides free cancellation on some room rates. If you'd like to learn more, take a look at the cancellation policy on our site.

What's there to do around Onyx?

This aparthotel is situated in Center City within a 10-minute walk of Pennsylvania Convention Center and Fairmount Park. You'll also find Rittenhouse Square and Reading Terminal Market less than a mile away.

Is there parking available at Onyx?

No, there isn't parking at this aparthotel.

Does Onyx feature a casino at the property?

No, Onyx doesn't have a casino.

Is there an indoor pool at Onyx?

No, there is no indoor pool at this aparthotel.

What do couples enjoy most about Onyx?

Couples staying at this aparthotel will appreciate amenities like a kitchen as well as concierge services and a gym.

Are there hot tubs at Onyx?

No, this aparthotel doesn't have a spa tub.

Does Onyx have a restaurant that serves breakfast?

No, Onyx doesn't have a restaurant that serves breakfast.

Will Onyx allow pets to stay free of charge?

No, pets aren't allowed at Onyx though service animals are welcome.

Are there connecting rooms at Onyx?

No, this aparthotel doesn't feature connecting guestrooms.

Where is the closest airport to Onyx?

The closest major airport to Onyx is Philadelphia Intl. Airport (PHL), which is 11 mi away (18 minutes by car). Another top airport is Philadelphia, PA (PNE-Northeast Philadelphia), which is located 14 mi away (31-minute drive).

Are there rooms with balconies at Onyx?

No, there aren't any apartments with balconies at Onyx.

Onyx Reviews

Reviews

8.6

Excellent

Rating 10 - Excellent. 73 out of 112 reviews
Rating 8 - Good. 12 out of 112 reviews
Rating 6 - Okay. 13 out of 112 reviews
Rating 4 - Poor. 7 out of 112 reviews
Rating 2 - Terrible. 7 out of 112 reviews

9.2/10

Cleanliness

9.0/10

Amenities

9.0/10

Property conditions & facilities

Reviews

Verified review

8/10 Good

Ben

Liked: Cleanliness, room comfort, communication
Nice place in a great location
Stayed 1 night in Feb 2025
Verified review

10/10 Excellent

Michele

Liked: Cleanliness, room comfort, communication
Accommodations were outstanding! We will definitely stay again!
Stayed 2 nights in Dec 2023
Verified review

10/10 Excellent

Michael

Liked: Cleanliness, amenities, property conditions & facilities, communication
Easy, good location, great kitchen.
Stayed 1 night in May 2023
Verified review

10/10 Excellent

Lakisha

Liked: Cleanliness, amenities, property conditions & facilities, communication
Beautiful view- clean and perfect for our stay
Stayed 1 night in May 2023
Verified review

10/10 Excellent

Cassandre

Liked: Cleanliness, amenities, property conditions & facilities, communication
It was close to all the historical sites, Chinatown, and restaurants.
Stayed 3 nights in Oct 2024
Verified review

10/10 Excellent

Kathleen

Liked: Cleanliness, amenities, property conditions & facilities, communication
Great little apartment for our weekend getaway
Stayed 1 night in Apr 2023
Verified review

10/10 Excellent

Rachael

Liked: Cleanliness, room comfort, communication
Everything was better than expected, we had everything we needed. We would definitely stay again.
Stayed 2 nights in Feb 2025
Verified review

10/10 Excellent

Andre

Liked: Cleanliness, amenities, property conditions & facilities, communication
Perfectly situated, impeccably clean, and generously spacious. The convenience of having parking right next door makes it even better.
Stayed 2 nights in Nov 2024
Verified review

10/10 Excellent

Jenika

Liked: Cleanliness, amenities, property conditions & facilities, communication
Great stay! Thank you Sonder onyx
Stayed 2 nights in May 2023
Verified review

10/10 Excellent

Steven

Liked: Cleanliness, amenities, property conditions & facilities, communication
The view of the city from our room was amazing. It's very close to the "Fashion District" which has a ton of great shops, restaurants, and much more. I would definitely stay here again.
Stayed 1 night in Jun 2023
Verified review

10/10 Excellent

Malathi

Liked: Cleanliness, amenities, property conditions & facilities, communication
Very nice hotel with all amenities. Clean and maintained well
Stayed 1 night in Mar 2023
Verified review

10/10 Excellent

Joan Marie

Liked: Cleanliness, amenities, property conditions & facilities, communication
This property offers a fabulous rooftop area for spectacular views of the city.
Stayed 2 nights in Apr 2023
Verified review

10/10 Excellent

Matthew

Liked: Cleanliness, room comfort, communication
I came to Philly for a conference. This is a perfect 10 minute walk away from the convention center and also very close to many attractions downtown.
Stayed 4 nights in Nov 2024
Verified review

10/10 Excellent

Efrain

Liked: Cleanliness, amenities, property conditions & facilities, communication
Quiet location, beautiful and modern decor. Windows floor to ceiling brings lots of light and a great view. The only bad thing I can say is that you can hear everything from next room…
Stayed 1 night in Apr 2025
Verified review

10/10 Excellent

Susanna

Liked: Cleanliness, amenities, property conditions & facilities, communication
Very clean and spacious. Really nice view with large open windows.
Stayed 3 nights in Aug 2023
Verified review

8/10 Good

David

Liked: Cleanliness, amenities, property conditions & facilities, communication
It was nice. Big and spacious.
Stayed 2 nights in Jun 2024
Verified review

10/10 Excellent

Sherry

Liked: Cleanliness, amenities, property conditions & facilities, communication
Excellent amenities - dishwasher, W/D, high end linens, big screen TV, rain shower head, full kitchen, gym. Loved my stay at Sonder Onyx!! Highly recommend.
Stayed 2 nights in May 2023
Verified review

10/10 Excellent

Maranda

Liked: Cleanliness, amenities, property conditions & facilities, communication
It was really nice, modern looking. nice shower and kitchen. comfortable bed and couch, great TV and sound. my boyfriend and i enjoyed the stay a lot, and we would definitely book again at Sonder.
Stayed 4 nights in May 2023
Verified review

6/10 Okay

Melody

Liked: Cleanliness, communication
Disliked: Room comfort
Nice place to stay. Just super loud and noisy. Not sure we would stay again just because of the noise.
Stayed 3 nights in Apr 2024
Verified review

10/10 Excellent

Jan

Liked: Cleanliness, room comfort, communication
A prefect stay, I will definitely stay here again if I am coming back to Philadelphia. A very good location, fitness and rooftop made the stay extra good. Everything I needed and more. ❤️
Stayed 4 nights in Oct 2024
Verified review

10/10 Excellent

Robert

Liked: Cleanliness, room comfort, communication

Beautiful apartment style suite

Beautiful night views of the city lights, and an amazingly decorated suite. I felt like I was on top of the world, and the accommodations were wonderful
Stayed 1 night in May 2023
Verified review

10/10 Excellent

Israel

Liked: Cleanliness, amenities, property conditions & facilities, communication
Sonder Onyx Philadelphia was a great experience Didn’t have any issues Customer support was very helpful and The hotel is located around lots of activities and for food options also
Stayed 1 night in Apr 2023
Verified review

10/10 Excellent

International Mechanical Services nv

Liked: Cleanliness, amenities, property conditions & facilities, communication
the property was in well-maintained condition all was ass needed to be.
Stayed 2 nights in Apr 2023
Verified review

10/10 Excellent

Laisha

Liked: Cleanliness, amenities, property conditions & facilities, communication
excellent
Stayed 1 night in Apr 2023
Verified review

10/10 Excellent

Joel

Liked: Cleanliness, room comfort, communication

Great value for Philly city center.

Very happy with this aparthotel, just on the outskirts of the city center, good location for a lot of major attractions. Nearby parking was a breeze. Apartment was nicely furnished and in good condition. Very clean. Would be happy to return.
Stayed 2 nights in Jul 2024

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