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In the heart of Philadelphia, Sonder Onyx offers a cozy retreat with modern amenities. Stay connected with public WiFi, get active in the gym, and take advantage of laundry facilities for a stress-free stay.
Reviews
8.6 out of 10
Excellent
Popular amenities
Room options
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W Philadelphia
Center City
- Pool
- Spa
- Pet-friendly
- Free WiFi
8.6 out of 10, Excellent, 1,011 reviews
The price is CA $340
CA $396 total
includes taxes & fees
Sep 21 - Sep 22
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About the area

305 North 15th Street, Philadelphia, PA, 19102
About this property
Onyx
Aparthotel with a fitness center, near Rittenhouse Square
A fitness center, concierge services, and laundry facilities are available at this smoke-free aparthotel. WiFi in public areas is free. Each apartment features a kitchen with a refrigerator, plus a dining area and a flat-screen TV with cable channels. Housekeeping is available on request.
Onyx offers 21 air-conditioned accommodations with designer toiletries and hair dryers. Each accommodation is individually furnished and decorated. Accommodations at this 3.5-star aparthotel have kitchens with refrigerators, separate dining areas, and cookware/dishes/utensils.
Bathrooms include bathtubs or showers. 50-inch flat-screen televisions come with cable channels. Housekeeping is provided on request.
Recreational amenities at the aparthotel include a fitness center.
Property amenities
Policies
Important information
Optional extras
- Housekeeping fee: USD 89
The above list may not be comprehensive. Fees and deposits may 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
Property Registration Number 914916
We should mention
This property welcomes guests of all sexual orientations and gender identities (LGBTQ+ friendly)
Frequently asked questions
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Onyx Reviews
Reviews
8.6
Excellent
9.2/10
Cleanliness
9.0/10
Amenities
9.0/10
Property conditions & facilities
8.2/10
Eco-friendliness
Reviews
Feb 15, 2025
Liked: Cleanliness, room comfort, communication
Stayed 1 night in Feb 2025
10/10 Excellent
Rachael
Feb 15, 2025
Liked: Cleanliness, room comfort, communication
Rachael
Stayed 2 nights in Feb 2025
10/10 Excellent
Efrain
May 13, 2025
Liked: Cleanliness, amenities, property conditions & facilities, communication
Efrain
Stayed 1 night in Apr 2025
10/10 Excellent
Andre
Nov 25, 2024
Liked: Cleanliness, amenities, property conditions & facilities, communication
Andre
Stayed 2 nights in Nov 2024
10/10 Excellent
Matthew
Nov 15, 2024
Liked: Cleanliness, room comfort, communication
Matthew
Stayed 4 nights in Nov 2024
10/10 Excellent
Kathleen
Apr 13, 2023
Liked: Cleanliness, amenities, property conditions & facilities, communication
Kathleen
Stayed 1 night in Apr 2023
10/10 Excellent
maria
May 11, 2025
Liked: Cleanliness, room comfort, communication
maria
Stayed 3 nights in May 2025
8/10 Good
Lakeisha
Apr 23, 2025
Liked: Cleanliness, amenities, property conditions & facilities, communication
Lakeisha
Stayed 3 nights in Apr 2025
10/10 Excellent
Jan
Oct 14, 2024
Liked: Cleanliness, room comfort, communication
Jan
Stayed 4 nights in Oct 2024
10/10 Excellent
Jenika
May 7, 2023
Liked: Cleanliness, amenities, property conditions & facilities, communication
Jenika
Stayed 2 nights in May 2023
10/10 Excellent
Steven
Jun 15, 2023
Liked: Cleanliness, amenities, property conditions & facilities, communication
Steven
Stayed 1 night in Jun 2023
10/10 Excellent
Sara
Dec 8, 2024
Liked: Cleanliness, room comfort, communication
Fantastic location
Sara
Stayed 3 nights in Dec 2024
8/10 Good
David
Jun 22, 2024
Liked: Cleanliness, amenities, property conditions & facilities, communication
David
Stayed 2 nights in Jun 2024
10/10 Excellent
Malathi
Mar 28, 2023
Liked: Cleanliness, amenities, property conditions & facilities, communication
Malathi
Stayed 1 night in Mar 2023
10/10 Excellent
Joan Marie
Apr 17, 2023
Liked: Cleanliness, amenities, property conditions & facilities, communication
Joan Marie
Stayed 2 nights in Apr 2023
10/10 Excellent
Susanna
Aug 22, 2023
Liked: Cleanliness, amenities, property conditions & facilities, communication
Susanna
Stayed 3 nights in Aug 2023
10/10 Excellent
Joel
Jul 6, 2024
Liked: Cleanliness, room comfort, communication
Great value for Philly city center.
Joel
Stayed 2 nights in Jul 2024
10/10 Excellent
Sherry
May 24, 2023
Liked: Cleanliness, amenities, property conditions & facilities, communication
Sherry
Stayed 2 nights in May 2023
10/10 Excellent
Joseph Francis
Jul 10, 2024
Liked: Cleanliness, amenities
Joseph Francis
Stayed 2 nights in Jul 2024
10/10 Excellent
Cassandre
Oct 17, 2024
Liked: Cleanliness, amenities, property conditions & facilities, communication
Cassandre
Stayed 1 night in Oct 2024
10/10 Excellent
International Mechanical Services nv
Apr 29, 2023
Liked: Cleanliness, amenities, property conditions & facilities, communication
International Mechanical Services nv
Stayed 2 nights in Apr 2023
10/10 Excellent
Laisha
May 3, 2023
Liked: Cleanliness, amenities, property conditions & facilities, communication
Laisha
Stayed 1 night in Apr 2023
6/10 Okay
Justin
Nov 23, 2024
Liked: Cleanliness, communication
Justin
Stayed 1 night in Nov 2024
10/10 Excellent
Tyiese
Jul 25, 2023
Liked: Amenities, property conditions & facilities
Tyiese
Stayed 2 nights in Jul 2023
10/10 Excellent
David
Jul 19, 2024
Liked: Cleanliness, amenities, property conditions & facilities, communication
David
Stayed 7 nights in Jul 2024