AC Hotel Diagonal L'Illa by Marriott
Central hotel with a restaurant connected to the convention center in Barcelona
Photo gallery for AC Hotel Diagonal L'Illa by Marriott





AC Hotel Diagonal L'Illa by Marriott offers eco-friendly luxury and modern convenience in Barcelona. Enjoy Mediterranean dishes at AC Lounge, coffee in the garden or sunny terrace, and high-speed WiFi. Guests praise the helpful, attentive staff.
Reviews
8.8 out of 10
Excellent
Popular amenities
The current price is NT$4,933
NT$5,883 total
includes taxes & fees
Jan 3 - 2026/1/4
Room options
Check availability for these dates
Available filters for rooms
Showing 4 of 4 rooms
View all photos for Standard Room, 1 King Bed

Standard Room, 1 King Bed
9.2 out of 10
Wonderful
(15 reviews)
Highlights
Soundproofed
Air conditioning
Flat-screen TV
Memory foam bed
Egyptian cotton linens
Cribs/infant beds
Down duvet
Blackout drapes/curtains
View all photos for Superior Room, 2 Twin Beds

Superior Room, 2 Twin Beds
9.4 out of 10
Exceptional
(3 reviews)
Highlights
Soundproofed
Air conditioning
Flat-screen TV
Sofa bed - twin
Egyptian cotton linens
Memory foam bed
Blackout drapes/curtains
Cribs/infant beds
View all photos for Family Room, 2 Twin Beds

Family Room, 2 Twin Beds
9.6 out of 10
Exceptional
(8 reviews)
Highlights
Soundproofed
Air conditioning
Flat-screen TV
Sofa bed - twin
Egyptian cotton linens
Memory foam bed
Blackout drapes/curtains
Cribs/infant beds
View all photos for Superior Room, 1 King Bed

Superior Room, 1 King Bed
9.0 out of 10
Wonderful
(2 reviews)
Highlights
Soundproofed
Air conditioning
Flat-screen TV
Sofa bed - king
Egyptian cotton linens
Memory foam bed
Blackout drapes/curtains
Cribs/infant beds
You may also like
Ad

Barceló Sants
Sants-Montjuïc
- Free WiFi
- Restaurant
- Air conditioning
- Gym
9.0 out of 10, Wonderful, 1,438 reviews
The price is NT$3,341
NT$4,132 total
includes taxes & fees
Jan 5 - 2026/1/6
Sign in to view eligible discounts and perks. More rewards for more adventures!
About the neighborhood

Avinguda Diagonal, 555, Barcelona, 08029
About this property
AC Hotel Diagonal L'Illa by Marriott
Similar properties

Nobu Hotel Barcelona
Nobu Hotel Barcelona
- Pool
- Spa
- Pet friendly
- Free WiFi
9.0 out of 10, Wonderful, 1,178 reviews
The price is NT$7,324
NT$8,658 total
includes taxes & fees
Dec 19 - Dec 20
Property amenities
Room amenities
Policies
Important information
Fees
You'll be asked to pay the following charges at the property. Fees may include applicable taxes:
- A tax is imposed by the city and collected at the property. Exemptions or reductions might apply. For more details, please contact the property using the information on the reservation confirmation received after booking.
- A tax is imposed by the city: EUR 6.27 per person, per night, up to 7 nights. This tax does not apply to children under 17 years of age.
We have included all charges provided to us by the property.
Optional extras
- Fee for buffet breakfast: approximately EUR 25.3 per person
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
This property affirms that it follows the cleaning and disinfection practices of Commitment to Clean (Marriott)
Please note that cultural norms and guest policies may differ by country and by property; the policies listed are provided by the property
We should mention
Cash transactions at this property cannot exceed EUR 1000, due to national regulations; for further details, please contact the property using information in the booking confirmation
Property is also known as
Husa Illa
Husa Illa Barcelona
Husa Illa Hotel
Husa Illa Hotel Barcelona
Husa Illa Barcelona, Catalonia
Husa l Illa Barcelona
AC Hotel Diagonal L'Illa Barcelona
AC Hotel Diagonal L'Illa
AC Diagonal L'Illa Barcelona
AC Diagonal L'Illa
AC Hotel Diagonal L"Illa Barcelona, Catalonia
AC Hotel Diagonal L'Illa
Ac Diagonal L'illa By Marriott
AC Hotel Diagonal L'Illa by Marriott Hotel
AC Hotel Diagonal L'Illa by Marriott Barcelona
AC Hotel Diagonal L'Illa by Marriott Hotel Barcelona
Frequently asked questions
Have a question?
Get instant answers with AI powered search of property information and reviews.
AC Hotel Diagonal L'Illa by Marriott Reviews
Reviews
8.8
Excellent
9.0/10
Cleanliness
8.6/10
Staff & service
9.0/10
Amenities
8.6/10
Property conditions & facilities
9.4/10
Eco-friendliness
Reviews
2025/7/28
Liked: Cleanliness, staff & service, property conditions & facilities
Stayed 4 nights in Jul 2025
8/10 Good
Ayodeji
2025/7/19
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Ayodeji
Stayed 3 nights in Jul 2025
10/10 Excellent
Adalberto
2025/3/10
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Adalberto
Stayed 2 nights in Feb 2025
10/10 Excellent
John
2025/3/12
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
John
Stayed 2 nights in Mar 2025
10/10 Excellent
Sandra
2025/7/12
Liked: Cleanliness, property conditions & facilities
Sandra
Stayed 2 nights in Jul 2025
10/10 Excellent
Daniel
2024/10/20
Liked: Cleanliness, staff & service, property conditions & facilities
Daniel
Stayed 2 nights in Oct 2024
10/10 Excellent
Eugene
2023/7/23
Liked: Cleanliness, staff & service, property conditions & facilities
Eugene
Stayed 1 night in Jul 2023
10/10 Excellent
Florans
2025/5/17
Liked: Cleanliness, staff & service, property conditions & facilities
Florans
Stayed 4 nights in May 2025
10/10 Excellent
Taiji
2022/8/11
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Taiji
Stayed 1 night in Aug 2022
10/10 Excellent
Jocelyn
2025/8/8
Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Barcelona city stay
Jocelyn
Stayed 2 nights in Jul 2025
10/10 Excellent
Karl
2024/10/21
Liked: Staff & service, amenities, property conditions & facilities
Karl
Stayed 2 nights in Oct 2024
6/10 Okay
Tatsuya
2025/8/14
Liked: Cleanliness, amenities
Disliked: Staff & service
Tatsuya
Stayed 6 nights in Aug 2025
10/10 Excellent
Tracy
2025/5/22
Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Great service all around
Tracy
Stayed 1 night in May 2025
10/10 Excellent
Kayalvili
2024/4/21
Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Kayalvili
Stayed 8 nights in Apr 2024
10/10 Excellent
Mayra
2025/6/8
Liked: Cleanliness, amenities, property conditions & facilities
Mayra
Stayed 3 nights in Jun 2025
8/10 Good
Verified traveler
2024/10/9
Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Verified traveler
Stayed 4 nights in Sep 2024
10/10 Excellent
Irma
2023/6/19
Liked: Cleanliness, staff & service, property conditions & facilities
Irma
Stayed 3 nights in Jun 2023
10/10 Excellent
jhon
2022/7/30
Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Perfect for families
jhon
Stayed 2 nights in Jul 2022
10/10 Excellent
Teo
2022/8/16
Teo
Stayed 4 nights in Aug 2022
10/10 Excellent
ANTHONY
2023/7/28
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
ANTHONY
Stayed 3 nights in Jul 2023
8/10 Good
Emile
2023/8/3
Liked: Cleanliness, staff & service, property conditions & facilities
Emile
Stayed 3 nights in Jul 2023
10/10 Excellent
MASAHIRO
2025/4/2
Liked: Cleanliness, staff & service, property conditions & facilities
MASAHIRO
Stayed 4 nights in Mar 2025
10/10 Excellent
Eugene
2023/8/4
Liked: Cleanliness, staff & service, property conditions & facilities
Eugene
Stayed 1 night in Jul 2023
10/10 Excellent
SARA
2024/5/18
Liked: Cleanliness, staff & service, property conditions & facilities
SARA
Stayed 5 nights in May 2024
10/10 Excellent
Kavita
2022/8/21
Liked: Cleanliness, staff & service, property conditions & facilities
Kavita
Stayed 2 nights in Aug 2022














