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Get an overview of this hotelHotel near beach in new Diagonal Mar district

Diagonal Mar near beach

AC Hotel Barcelona Forum by Marriott places guests in the new Diagonal Mar district, next to the striking Fòrum building with its congress center, shops, and restaurants. The hotel offers easy access to the beach, a 2-minute walk from the lobby, and to central Barcelona via the nearby metro.

Swim on the 13th floor

Offering sweeping views of the city, the 13th-floor outdoor pool is a summertime treat, and it's right next to the fitness center and spa. Dia & Nit restaurant serves modern Mediterranean cuisine, El Café Bar specializes in tapas, and poolside Natura Café Bar is a casual spot for sandwiches.

See the city or the sea

The 368 stylish guestrooms offer sea or city views. Guests will also find neat, modern decor, a useful desk, satellite TV, and WiFi. Bathrobes, a minibar, and 24-hour room service offer guests additional comforts during their stay.

Hotel Amenities

Hotel Amenities

In addition to a full-service spa, AC Hotel Barcelona Forum by Marriott features an outdoor pool and a health club. Dining is available at one of the hotel's 3 restaurants and guests can grab coffee at the coffee shop/café. A bar/lounge is on site where guests can unwind with a drink. High-speed wireless Internet access is complimentary.

Event facilities measuring 21743 square feet (2020 square meters) include a conference center, conference space, and meeting rooms. This business-friendly hotel also offers a seasonal outdoor pool, a sauna, and a steam room. Onsite parking (limited spaces) is available (surcharge).

  • 24-hour front desk 
  • Babysitting or childcare (surcharge) 
  • Bar/lounge 
  • Breakfast available (surcharge) 
  • Coffee shop or café 
  • Free newspapers in lobby 
  • Computer station 
  • Conference center 
  • Conference space 
  • Conference space size (feet) - 21743 
  • Conference space size (meters) - 2020 
  • Designated smoking areas 
  • Dry cleaning/laundry service 
  • Elevator/lift 
  • Express check-in 
  • Free WiFi 
  • Full-service spa 
  • Health club 
  • Laundry facilities 
  • Luggage storage 
  • Meeting rooms 
  • Multilingual staff 
  • Number of buildings/towers - 1 
  • Number of floors - 22 
  • Number of meeting rooms - 18 
  • Number of restaurants - 3 
  • Outdoor pool 
  • Outdoor seasonal pool 
  • Parking (limited spaces) 
  • Porter/bellhop 
  • Rooftop terrace 
  • Safe-deposit box at front desk 
  • Sauna 
  • Self parking (surcharge) 
  • Smoke-free property 
  • Spa treatment room(s) 
  • Steam room 
  • Total number of rooms - 368 
  • Tours/ticket assistance 
  • Turkish bath/Hammam 
  • Year Built 2004 

Family Friendly Amenities

  • Babysitting or childcare (surcharge)  
  • Free Wi-Fi  
  • In-room childcare (surcharge)  
  • Laundry facilities  
  • Outdoor pool  


Available in all rooms: Wireless internet access ( 12 EUR per 24-hour period )

Available in some public areas: Free WiFi


Self parking (surcharge), Parking (limited spaces)

Room Amenities

  • Air conditioning 
  • Blackout drapes/curtains 
  • Climate control 
  • Free newspaper 
  • Free toiletries 
  • Cribs/infant beds available 
  • Daily housekeeping 
  • Designer toiletries 
  • Desk 
  • Hair dryer 
  • Hypo-allergenic bedding available 
  • In-room childcare (surcharge) 
  • Minibar 
  • Premium bedding 
  • Private bathroom 
  • Room service (24 hours) 
  • Satellite TV service 
  • Shower/tub combination 
  • WiFi (surcharge) 

Where to Eat

Buffet breakfasts are available for a surcharge and are served each morning.

Dia Nit - This restaurant specializes in Mediterranean cuisine and serves breakfast, lunch, and dinner.

El Cafe Bar - This tapas bar specializes in Spanish cuisine and serves lunch and dinner.

24-hour room service is available.

Nearby Things to Do

An outdoor pool and a seasonal outdoor pool are on site. Other recreational amenities include a health club, a sauna, and a steam room.

  • Windsurfing nearby 
  • Kayaking nearby 
  • Sailing nearby 
  • Water skiing nearby 
  • Surfing/boogie boarding nearby 
  • Bicycle rentals nearby 

Spa Services

The onsite spa has massage/treatment rooms. Services include massages and body treatments. The spa is equipped with a mud bath, a sauna, a spa tub, and Turkish bath/hammam.

  • Manicures and pedicures 
  • Mud bath in spa 
  • Sauna in spa 
  • Spa tub in spa 
  • Massages 
  • Body treatments 


To make requests for specific accessibility needs, complete the “Special or Accessibility Requests" section of “Trip Preferences" when you book your hotel.

  • Accessible bathroom 
  • Roll-in shower 
  • Accessible parking 
  • In-room accessibility 
  • Braille or raised signage 

Hotel Policies


Check-in time starts at 3 PM


Check-out time is noon

Payment types

Children and extra beds

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

You need to know

Extra-person charges may apply and vary depending on hotel policy.

Government-issued photo identification and a credit card are 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.

  • The name on the credit card used at check-in to pay for incidentals must be the primary name on the guestroom reservation.

Hotel Registry Number - HB-04223


You'll be asked to pay the following charges at the hotel:
  • A tax is imposed by the city: EUR 1.21 per person, per night, up to 7 nights. This tax does not apply to children under 17 years of age.
  • Resort fee: EUR 1.21 per person, per night
We have included all charges provided to us by the property. However, charges can vary, for example, based on length of stay or the room you book.
A tourist tax will be collected at the property upon arrival. The tax applies up to a maximum of 7 nights per person per stay. Children under 17 years of age are exempt from this tax.

Optional extras

The following fees and deposits are charged by the property at time of service, check-in, or check-out.
  • Fee for buffet breakfast: EUR 22.00 per person (approximately)
  • Fee for in-room wireless Internet: EUR 12 per 24-hour period (rates may vary)
  • Self parking fee: EUR 24.04 per night
The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.

We should mention

Cash transactions at this property cannot exceed EUR 2500, due to national regulations. For further details, please contact the property using information in the booking confirmation.

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