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Avenida Diagonal, 555, Barcelona, 08029 (show map)
Hotel Overview
Formerly AC Hotel Diagonal L´Illa
Before October 2021 AC Hotel Diagonal L'Illa by Marriott was known as AC Hotel Diagonal L´Illa
Before July 2021 AC Hotel Diagonal L'Illa by Marriott was known as AC Hotel Diagonal L´Illa, a Marriott Lifestyle Hotel
Before October 2019 AC Hotel Diagonal L'Illa by Marriott was known as Hotel Husa Illa
Before April 2019 AC Hotel Diagonal L'Illa by Marriott was known as AC Hotel by Marriott Diagonal L´Illa

Lock in a great price now and relax with our Price Guardian working for you
Hotel prices fluctuate. Book now, we will check prices each day for you and then let you know how to re-book if an even better price becomes available.Rooms List
Setup a Price Alert for AC Hotel Diagonal L'Illa by Marriott
Each day we'll check prices and send you an email for your selected dates at AC Hotel Diagonal L'Illa by Marriott. If you don't have specific dates but would like to check prices for say next weekend or say next month we can check the price too.
When the hotel goes on sale you will know straight away from the daily email and be able to book with confidence that you've got excellent value.
Facilities of AC Hotel Diagonal L'Illa by Marriott
General
WiFi everywhere
Services
Free WiFi, Internet services, WiFi
Food & Drink
Bar, Breakfast in the room, Room service, Snack bar
Pools and wellness
Fitness centre
Transportation
Electric vehicle charging station
Front-desk/reception area services
24-hour front desk, Express check-in/check-out, Luggage storage, Tour desk
Common areas
Shared lounge/TV area, Terrace
Cleaning services
Daily maid service, Dry cleaning, Ironing service, Laundry, Trouser press
Business facilities
Fax/photocopying, Meeting/banquet facilities
Miscellaneous
Air conditioning, Facilities for disabled guests, Family rooms, Heating, Lift, Non-smoking rooms, Non-smoking throughout
Room facilities [ These may vary room to room ]
Air Conditioning, Bath, Bathroom, Coffee machine, Desk, Electric kettle, Flat-screen TV, Hairdryer, Hardwood/Parquet floors, Heating, Iron, Ironing Facilities, Minibar, Radio, Safety Deposit Box, Shower, Slippers, Sofa, Soundproofing, Tea/Coffee Maker, Telephone, Toilet, TV, Wake-up service, Wardrobe/Closet
Hotel Policies
Check-In
15:00:00- hours
Check-Out
-12:00:00 hours
Cancellation / Prepayment
Cancellation, prepayment and 'book now pay later' policies vary according to room type. Please check the room conditions when selecting your room above.
Accepted credit cards
The hotel reserves the right to pre-authorise credit cards prior to arrival.
Traveller reviews

“Fabulous. Would definitely book again.”
17 Jul 2025
Service, location, size of room, friendliness of staff

“Superb”
27 Jun 2025
I loved Mariane, the lady at the reception. She was super helpful, friendly, and warm. The location is also really nice, close to all the most important things, and loved that there was a nice park just behind the hotel.

“Very good”
18 Jun 2025
Good no nonsense hotel, I would say perfect for business travel. Many restaurants nearby but it is not a touristy neighbourhood. There is a fantastic food market in the basement of the adjacent shopping mall.

“Superb”
22 Apr 2025
The location was perfect as next to a shopping mall with many restaurants to choose from