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AC Hotel Diagonal L'Illa by Marriott

4.0 star property

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Photo gallery for AC Hotel Diagonal L'Illa by Marriott

The exterior of AC Hotel Diagonal L'illa, featuring a modern facade, large glass entrance, and prominent signage.
An outdoor dining area with tables and chairs, a bar counter, and two floor lamps.
A hotel room with two beds, a desk, a chair, a TV, and a large window with curtains.
A modern hotel room with a large window, a flat-screen TV, a sofa, a coffee table, and a desk with a chair.
A buffet with various food items and utensils, including a coffee station and a wine cooler.

Reviews

8.8 out of 10
Excellent

Popular amenities

  • Free Wi-Fi
  • Air-conditioning
  • Gym
  • Business services

Explore the area

View in a map
Avinguda Diagonal, 555, Barcelona, 08029
  • Place, Avinguda Diagonal
    ‪1 min walk‬
  • Place, L’Illa Diagonal Mall
    ‪1 min walk‬
  • Place, Camp Nou
    ‪19 min walk‬
  • Airport, Barcelona (BCN-Barcelona Intl.)
    ‪21 min drive‬

Room options

View all photos for Standard Room, 1 King Bed

A modern hotel room with a large bed, a sofa, a small table, and a view of the cityscape through large windows.

Standard Room, 1 King Bed

9.4 out of 10
Exceptional
(16 reviews)
  • 33 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
  • Free Wi-Fi

View all photos for Superior Room, 2 Single Beds

A hotel room with two beds, a sofa, a lamp, and wooden paneling on the walls.

Superior Room, 2 Single Beds

8.6 out of 10
Excellent
(4 reviews)
  • 40 sq m
  • 1 bedroom
  • Sleeps 2
  • 2 Single Beds
  • Free Wi-Fi

View all photos for Family Room, 2 Single Beds

A hotel room with three beds, wooden panel walls, a modern light fixture, and a view of the city through large windows.

Family Room, 2 Single Beds

9.4 out of 10
Exceptional
(11 reviews)
  • 40 sq m
  • 1 bedroom
  • Sleeps 4
  • 2 Single Beds
  • Free Wi-Fi

View all photos for Superior Room, 1 King Bed

A modern hotel room with a large bed, a sofa, a small table, and a nightstand.

Superior Room, 1 King Bed

9.4 out of 10
Exceptional
(3 reviews)
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
  • Free Wi-Fi

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About this property

AC Hotel Diagonal L'Illa by Marriott

This smoke-free hotel features a restaurant, a fitness centre and a bar/lounge. WiFi in public areas is free. Additionally, a snack bar/deli, a conference centre and a coffee shop/cafe are on-site. Housekeeping is available on request.
AC Hotel Diagonal L'Illa by Marriott offers 103 accommodations with minibars and espresso makers. Memory foam beds feature Egyptian cotton sheets and down duvets. Flat-screen televisions come with satellite channels. Rooms have partially open bathrooms. Bathrooms include bidets and hairdryers.

This Barcelona hotel provides complimentary wireless Internet access. Business-friendly amenities include desks, safes and telephones. Additionally, rooms include complimentary bottles of water and blackout curtains. Change of towels and change of bedsheets can be requested. Housekeeping is provided on a daily basis.

Recreational amenities at the hotel include a fitness centre.

The recreational activities listed below are available either on-site or nearby; fees may apply.

The shopping around AC Hotel Diagonal L'Illa by Marriott gets high marks from our customers. During your stay, you'll be connected to the convention centre and just a quick walk from Avinguda Diagonal. Features include free WiFi in public areas, plus a restaurant and a gym.
  • Free WiFi
  • Enjoy Mediterranean cuisine while dining at AC Lounge
  • Buffet breakfast served daily for a fee
  • Services include dry cleaning/laundry, a concierge and a porter
  • On-site recreation includes a gym
  • Guests have great things to say about the helpful staff and the proximity to shopping
  • Just a 3-minute drive from Camp Nou and a few minutes from Casa Batllo
Along with a restaurant and a coffee shop/cafe, there's a snack bar/deli on site. You can enjoy a drink at the bar/lounge. Business amenities include a business centre and meeting rooms.

A computer station is on site and WiFi is free in public spaces. A fitness centre, a terrace, and multilingual staff are also featured at the business-friendly AC Hotel Diagonal L'Illa by Marriott.

This 4-star Barcelona hotel is smoke free.

For a fee, guests can enjoy a buffet breakfast daily from 7 AM to 11 AM.
AC Lounge – This gastropub specialises in Mediterranean cuisine and serves lunch, dinner and light fare. Open daily.

Property amenities

Internet

  • Available in all rooms: Free WiFi
  • Available in some public areas: Free WiFi

Parking and transport

  • Electric car charging station on site
  • Limited on-site parking

Food and drink

  • Daily buffet breakfast available 7 AM to 11 AM for a fee: EUR 25.30 per person
  • A bar/lounge
  • A coffee shop/cafe
  • A restaurant
  • Snack bar/deli

Restaurants on site

  • AC Lounge

Things to do

  • Gym

Family friendly

  • In-room cot
  • Laundry facilities
  • Snack bar/deli
  • Soundproofed rooms

Conveniences

  • 24-hour front desk
  • Free newspapers in lobby
  • Laundry facilities
  • Luggage storage
  • Safe at front desk

Guest services

  • Change of bedsheets (on request)
  • Change of towels on request
  • Concierge services
  • Dry cleaning/laundry service
  • Housekeeping (daily)
  • Multilingual staff
  • Porter/bellhop

Business services

  • Business centre
  • Computer station
  • Conference centre
  • Meeting rooms

Outdoors

  • Garden
  • Terrace

Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • Assistive listening devices in meeting rooms
  • Lever door handles
  • Lift (150 centimetre wide door)
  • Low-height door lock
  • Low-height electrical sockets in bathroom
  • Visual fire alarm
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible business centre
  • Wheelchair-accessible concierge desk
  • Wheelchair-accessible gym
  • Wheelchair-accessible lounge
  • Wheelchair-accessible path of travel
  • Wheelchair-accessible registration desk (137 centimetre high)
  • Wheelchair-accessible restaurant

More

  • 1 building
  • 4 floors
  • Banquet hall
  • Double-glazed windows
  • No plastic drinking straws
  • Non-plastic drinking straws available
  • Smoking not allowed
  • Some LED lighting used
  • Vegan dining options
  • Vegetarian breakfast available
  • Vegetarian dining options
  • Waste recycling policy

Room amenities

Bedroom

  • Blackout drapes
  • Cot
  • Down comforter
  • Egyptian cotton sheets
  • Memory foam mattress

Bathroom

  • Bidet
  • Hair dryer
  • Partially-open bathroom
  • Towels provided

Entertainment

  • Flat-screen TV with satellite channels

Food and drink

  • Espresso maker
  • Free bottled water
  • Minibar

More

  • Air conditioning (climate-controlled)
  • Desk
  • Energy-saving switches used
  • Heating (climate-controlled)
  • LED lighting
  • Phone
  • Recycling
  • Safe
  • Soundproofed rooms
  • Water-efficient showers

Policies

Check-in

Check-in time starts at 3 PM
Contactless check-in and check-out are available
Express check-in available

Check-out

Check-out before noon
Contactless check-out
Express check-out available

Special check-in instructions

Front desk staff will greet guests on arrival at the property
Information provided by the property may be translated using automated translation tools
This property is located in the city's Low Emission Zone; only low-emission vehicles are permitted to enter. Guests with non-Spanish license plates must register their vehicle with the city in advance.

Access methods

Staffed front desk

Pets

  • No pets allowed

Children and extra beds

  • Children are welcome.
  • Cots (infant beds) are available.

Payment types at the property

Important information

Fees

Guests will be asked to pay the following charges at the property:

  • 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 9.24 per person, per night, up to 7 nights. This tax does not apply to children under 17 years of age.

We've listed all charges provided to us by the property.

Optional extras

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

  • Fee for buffet breakfast: from approximately EUR 25.3 per person

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

You need to know

This property is managed by a professional host. The provision of housing is linked to their trade, business or profession.
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
Front desk staff will greet guests on arrival at the property.

We should mention

  • On-site cash transactions can't exceed EUR 1000, due to national regulations. For more 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

AC Hotel Diagonal L'Illa by Marriott Reviews

Reviews

8.8

Excellent

Rating 10 - Excellent. 242 out of 447 reviews
Rating 8 - Good. 143 out of 447 reviews
Rating 6 - Okay. 41 out of 447 reviews
Rating 4 - Poor. 13 out of 447 reviews
Rating 2 - Terrible. 8 out of 447 reviews

9.0/10

Cleanliness

8.6/10

Staff & service

9.0/10

Amenities

8.6/10

Property conditions & facilities

Reviews

Verified review

10/10 Excellent

richard

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Very convenient to shopping and dining.
Stayed 4 nights in Apr 2026
Verified review

8/10 Good

Farshad

Liked: Cleanliness, staff & service, property conditions & facilities
very clean and nice hotel
Stayed 4 nights in Jul 2025
Verified review

10/10 Excellent

Eugene

Liked: Cleanliness, staff & service, property conditions & facilities
Great hotel and great location!
Stayed 1 night in Jul 2023
Verified review

10/10 Excellent

Taiji

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
We enjoyed the stay.
Stayed 1 night in Aug 2022
Verified review

10/10 Excellent

Adalberto

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
I really liked this hotel, I recommend it.
Stayed 2 nights in Feb 2025
Verified review

10/10 Excellent

John

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Excellent hotel and service, very recommended, thanks!!!
Stayed 2 nights in Mar 2025
Verified review

10/10 Excellent

Daniel

Liked: Cleanliness, staff & service, property conditions & facilities
Nice neighborhood, easy access and great shopping, good breakfast.
Stayed 2 nights in Oct 2024
Verified review

8/10 Good

Ayodeji

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great property
Stayed 3 nights in Jul 2025
Verified review

10/10 Excellent

Isaac

Liked: Cleanliness, staff & service, amenities
Staff, room
Stayed 4 nights in Jan 2026
Verified review

10/10 Excellent

Kayalvili

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Amazing hotel. Very very clean hotel and helpful and friendly staff. Will stay in this hotel again.
Stayed 8 nights in Apr 2024
Verified review

10/10 Excellent

Karl

Liked: Staff & service, amenities, property conditions & facilities
very nice, clean, convenient, great staff
Stayed 2 nights in Oct 2024
Verified review

10/10 Excellent

Irma

Liked: Cleanliness, staff & service, property conditions & facilities
Clean, rooms spacious, breakfast has a variety and great healthy options, service overall amazing
Stayed 3 nights in Jun 2023
Verified review

10/10 Excellent

jhon

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Perfect for families

Great location next to the mall
Stayed 2 nights in Jul 2022
Verified review

10/10 Excellent

Teo

Safe location, super clean and spacious!
Stayed 4 nights in Aug 2022
Verified review

10/10 Excellent

ANTHONY

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Fabulous location, easy transportation, good amenities and great shopping at the mall
Stayed 3 nights in Jul 2023
Verified review

8/10 Good

Emile

Liked: Cleanliness, staff & service, property conditions & facilities
Everything was convenient and pleasant staff
Stayed 3 nights in Jul 2023
Verified review

10/10 Excellent

Sandra

Liked: Cleanliness, property conditions & facilities
The hostesses in the front desk were amazing, provided good suggestions and always very welcoming. The hotel is well located if you do not want to in the middle of all craziness and it is walkable distance to Paseo de Gracia.
Stayed 2 nights in Jul 2025
Verified review

10/10 Excellent

Eugene

Liked: Cleanliness, staff & service, property conditions & facilities
One of the best things about this hotel is the Amazing mall attached. My whole family shopped while we stayed there!
Stayed 1 night in Jul 2023
Verified review

10/10 Excellent

Kavita

Liked: Cleanliness, staff & service, property conditions & facilities
Clean room, kind and helpful staff, located VERY close to a mall with good meal options and stores, well connected to the rest of the city.
Stayed 2 nights in Aug 2022
Verified review

8/10 Good

Verified traveller

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
The hotel was perfect for our 4 night stay. Check in was prompt, the room was very clean, and everyone was very helpful. The location was perfect and next door to shopping(large mall), restaurants and transportation. We would definitely stay here again!
Stayed 4 nights in Sep 2024
Verified review

8/10 Good

Vasanti

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great location, easy to move around and transportation was easily accessible. Staff were friendly and helpful. I would definitely stay here again.
Stayed 3 nights in Jul 2023
Verified review

10/10 Excellent

jay

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Good location with options for transportation to anywhere in Barcelona, Very clean and spacious rooms, and great amenities.
Stayed 2 nights in Sep 2023
Verified review

10/10 Excellent

Venkat

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Staff nice and friendly
Stayed 3 nights in Dec 2024
Verified review

10/10 Excellent

Florans

Liked: Cleanliness, staff & service, property conditions & facilities
Everything was excellent. Would have been better if there was a pool at the hotel.
Stayed 4 nights in May 2025
Verified review

10/10 Excellent

SARA

Liked: Cleanliness, staff & service, property conditions & facilities
Great for the shopping
Stayed 5 nights in May 2024