Attica 21 Barcelona Mar
Barcelona · Catalonia · 4 Stars

Attica 21 Barcelona Mar

Four-star hotel in Diagonal Mar, Barcelona, with a rooftop swimming pool, sun terrace and soundproofed rooms near the beaches.

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8.4 Score
1.475 Reviews
4★ Stars
15:00 Check-in
Area Barcelona
Nearby Platja de la Nova Mar Bella · 460 m
Parking Paid
Wi-Fi Free
Check-in 15:00

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Attica 21 Barcelona Mar

Attica 21 Barcelona Mar is a 4-star hotel in Barcelona, in the Diagonal Mar district, with a rooftop swimming pool. Its contemporary rooms, with wooden floors and large windows, include air conditioning and a private bathroom. The accommodation includes double rooms with different bed configurations and a family option comprising two connecting rooms, suitable for trips with children or small groups.

On the rooftop, the swimming pool is next to a sun terrace with sun loungers and city views; during the summer, there is also a poolside bar. The hotel also has a café and a tourist information desk. The beach is 300 metres away, Selva de Mar metro station is about 400 metres away, and the Fòrum venue is a 15-minute walk away. Diagonal Mar shopping centre is a five-minute walk away, so you can combine walks by the sea, shopping and visits around Barcelona.

Attica 21 Barcelona Mar
★ 8.4 · Very good · 1.475 reviews

Plan your stay at Attica 21 Barcelona Mar

Four-star hotel in Diagonal Mar, Barcelona, with a rooftop swimming pool, sun terrace and soundproofed rooms near the beaches.

Room types

The rooms have air conditioning, a private bathroom and a flat-screen TV; they are also soundproofed. They range in size from 19 to 21 m², with double or single bed options across several room types. The Family Room has a different layout, with two connecting rooms and two bathrooms, and can accommodate four people.

For a stay for two, you can choose from double rooms with different bed configurations. Rooms with an extra bed can accommodate up to three people, depending on the room type, while the Family Room is practical for sharing the space as a group. The Comfort Double Room adds garden views, a coffee maker, a bathrobe and slippers. Another double room has a window overlooking a quiet street. Each category has its own features, from the family layout to these details of the view and amenities.

Double Room - 1 or 2 Beds — Attica 21 Barcelona Mar
Double Room - 1 or 2 Beds
19 m² · Private bathroom

  • 1 Double bed or 2 Single beds
  • Max 2 guests
  • Air conditioning
  • Private bathroom

At 19 m², this room accommodates two people and offers two sleeping options: one double bed or two single beds. Air conditioning, soundproofing and a private bathroom complement a practical layout for a city stay; it also has a flat-screen TV and wooden floors.

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Family Room — Attica 21 Barcelona Mar
Family Room
19 m² · Private bathroom

  • 2 Single beds and 1 Double bed
  • Max 4 guests
  • Connecting rooms
  • Two bathrooms

At 19 m², this Family Room consists of two connecting rooms and two bathrooms, a layout that gives you more independence within the same accommodation. It can accommodate four people and combines one double bed with two single beds, as well as air conditioning, soundproofing and a flat-screen TV.

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Double Room with Extra Bed — Attica 21 Barcelona Mar
Double Room with Extra Bed
19 m² · Private bathroom

  • 3 Single beds or 1 Single bed and 1 Double bed
  • Max 3 guests
  • Air conditioning
  • Private bathroom

This 19 m² room accommodates up to three people and offers different configurations: three single beds or one single bed alongside one double bed. A private bathroom, air conditioning and soundproofing make it a functional space to share, with a flat-screen TV and wooden floors.

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Comfort Double Room - 1 or 2 Beds — Attica 21 Barcelona Mar
Comfort Double Room - 1 or 2 Beds
21 m² · Private bathroom

  • 2 Single beds or 1 Large double bed
  • Max 2 guests
  • Garden view
  • Coffee maker

At 21 m², this room for two offers garden views and a coffee maker, features that set it apart from the other double rooms. It includes a bathrobe and slippers, as well as a private bathroom, air conditioning and soundproofing. You can choose between two single beds or one large double bed.

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Double Room with Extra Bed (2 Adults + 1 Child) — Attica 21 Barcelona Mar
Double Room with Extra Bed (2 Adults + 1 Child)
19 m² · Private bathroom

  • 3 Single beds or 1 Single bed and 1 Large double bed
  • Max 3 guests
  • Quiet street view
  • Soundproofing

This 19 m² room type is designed for two adults and one child, with single beds or a combination of one single bed and one large double bed. It overlooks a quiet street. A private bathroom, air conditioning, soundproofing and a flat-screen TV complete the room.

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Double Room with Parking - 1 or 2 Beds — Attica 21 Barcelona Mar
Double Room with Parking - 1 or 2 Beds
19 m²

  • 1 Double bed or 2 Single beds
  • Max 2 guests
  • Quiet street view
  • Bath or shower

At 19 m² and suitable for two people, this room stands out for its view of a quiet street and the choice of one double bed or two single beds. It has a private bathroom with a bath or shower, air conditioning, soundproofing and a flat-screen TV.

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Is this the right hotel for you?

Yes, if...

  • you want to walk to beaches such as Platja de la Nova Mar Bella, 460 m away.
  • you'd like a rooftop swimming pool with a sun terrace, sun loungers and city views.
  • you’re travelling with family: the Family Room has two connecting rooms, two bathrooms and space for four people.
  • you prefer to use public transport: Selva de Mar metro station is 350 m away.
  • you’re looking for free WiFi throughout the property and air-conditioned rooms.

Maybe not, if...

  • you need free parking: private garage parking costs €20 per day.
  • you want breakfast included in the rate; continental, gluten-free and buffet options are available.
  • you’re under 18 and travelling without a parent or legal guardian.
  • you need a room for more than four people; the Family Room accommodates up to four.

Hotel facilities & services

The shared areas include a terrace and solarium, with sun loungers and parasols for relaxing outdoors. Reception is open 24 hours a day, and concierge, luggage storage and tourist information services are available. For business stays, the hotel has meeting and banquet rooms; it also offers a safe, a lift and daily housekeeping.

The café, bar and snack bar are complemented by breakfast room service. Private garage parking is available for €20 per day, with no reservation required. WiFi is free throughout the property. Practical services include laundry, dry cleaning and ironing; family rooms and facilities adapted for guests with reduced mobility provide more options for different types of trip.

Great for your stay

  • Private bathroom
  • Parking
  • Free WiFi
  • Air conditioning
  • Room service
  • Non-smoking rooms
  • Family rooms
  • Facilities for disabled guests
  • Flat-screen TV
  • Tourist information

General facilities

  • Terrace / solarium
  • Luggage storage
  • Tourist information
  • 24-hour reception
  • Daily housekeeping
  • Ironing service
  • Dry cleaning
  • Laundry
  • Meeting / banquet rooms
  • Safe
  • Air conditioning
  • Heating
  • Lift
  • Family rooms
  • Facilities for disabled guests

Parking

  • Garage parking

Food & drink

  • Café on site
  • Wine / champagne
  • Snack bar
  • Breakfast in the room
  • Bar

Media & technology

  • Flat-screen TV
  • Satellite channels
  • Telephone
  • TV
  • Internet

Room amenities

  • Toilet paper
  • Towels
  • Bath or shower
  • Private bathroom
  • Toilet
  • Free toiletries
  • Hairdryer
  • Bed linen
  • Wardrobe
  • Socket near the bed
  • Desk

Location & what to see

The hotel is in the Diagonal Mar district, in Sant Martí, in the north-east of Barcelona. This is an urban area by the coast, with beaches, parks, shops and modern facilities. Plaça de Ramon Calsina is 80 m away; Sant Francesc de Pàola is 90 m away and Torre de les Aigües del Besòs is 100 m away. Platja de la Nova Mar Bella is 460 m away, Platja de Llevant is 500 m away and Platja de la Mar Bella is 830 m away.

Selva de Mar metro station is 350 m away and Poblenou is 750 m away. El Clot-Aragó railway station is 2.1 km away; Barcelona-El Prat Airport is 13 km away. For shopping, Diagonal Mar shopping centre is a five-minute walk away, while the Fòrum venue is a 15-minute walk away. These connections make it easy to travel between the coastal area and other parts of the city by public transport.

To combine the beach with cultural visits, Museu de Ciències Naturals de Barcelona is 1.0 km away and MUHBA Oliva Artés is 920 m away. Can Framis is 1.4 km away and Torre Agbar is 1.9 km away. Parc de la Ciutadella is 2.9 km away and the Arc de Triomf is 3 km away; both are good options for a day out walking around Barcelona. In the warmer months, you can spend more time at the city beaches and explore the coast; the rest of the year, museums, parks and neighbourhoods are easy to visit on foot and by metro.

Platja de la Nova Mar Bella — A wide urban beach, suitable for swimming and walking along the coast. 460 m
Platja de Llevant — A stretch of Barcelona coastline with sand and access to the sea. 500 m
MUHBA Oliva Artés — A museum dedicated to Barcelona’s history and urban heritage. 920 m
Museu de Ciències Naturals de Barcelona — A natural history museum with exhibitions about biodiversity and the planet. 1,0 km
Can Framis — A contemporary art museum housed in a former textile factory. 1,4 km
Torre Agbar — A contemporary building recognised by its distinctive silhouette beside the square. 1,9 km

What guests say about Attica 21 Barcelona Mar

8.4
Very good · 1.475 reviews
Staff
8.9
Comfort
8.8
Location
8.5
Cleanliness
8.8
Facilities
8.6
Value for money
8.2
Free Wi-Fi
8.8

Guests particularly appreciate the staff and WiFi; cleanliness, comfort and facilities are also well received. Value for money receives a somewhat more moderate rating, while the nearby beaches and transport make it easy to combine days by the sea with city visits.

Ready to book?

Rated 8.4 by 1.475 guests. Check live availability before it fills up.

Frequently asked questions

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