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BARCELONA
SANT MARTí

DIAGONAL MAR

Properties for sale in Diagonal Mar

Explore our curated selection of properties for sale in Diagonal Mar at Bcn Advisors.

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We have 12 properties for sale in Diagonal Mar

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New Listing

Apartments for sale in Diagonal Mar

1.487.000 €

BCN079300011

Exclusive Luxury Apartment with Private Terrace and Panoramic Views

Some homes stand out for their location, others for their architecture, and some for their generous spaces. Then there are those that bring all these elements together to offer a truly different way of living. This property, located on the 6th floor of an exclusive development, has been designed precisely for that: to enjoy natural light, space, panoramic views and comfort within an exceptional residential setting. With 130 m² of interior space, the property offers a balanced and elegant layout,…

129.4 m²

Floor plan

47.5 m²

Terrace

2

Bedrooms

2

Bathrooms

1.487.000 €

New Listing

Apartments for sale in Diagonal Mar

6.500.000 €

BCN079280010

Exclusive Luxury Duplex Penthouse with Sea Views

Some homes stand out for their size. Others for their location. And then there are those that bring together space, height, natural light and views that can transform the entire experience of living. This property, located on the top floor of the development, on the 24th floor, belongs to that exceptional category. With 302 m² of interior space, the residence has been designed to create an extraordinary sense of openness and privacy. The different areas flow naturally into one another,…

302 m²

Floor plan

96.6 m²

Terrace

3

Bedrooms

4

Bathrooms

6.500.000 €

New Listing

New Development

Apartments for sale in Diagonal Mar

5.630.000 €

BCN079130010

Exclusive luxury residence with terraces and panoramic views

Imagine waking up every morning on the 19th floor, opening the doors to your terrace and being greeted by the sea stretching out before you. This is not simply a home: it is a property designed for those who want to live at another level. With 386 m² of interior space and 106 m² of terraces, this spectacular residence offers a sense of space that is truly hard to find. Its floor-to-ceiling windows allow natural light and breathtaking views to…

386 m²

Floor plan

106 m²

Terrace

4

Bedrooms

4

Bathrooms

5.630.000 €

New Listing

Apartments for sale in Diagonal Mar

3.558.000 €

BCN079110010

Living Above the Horizon | An Exclusive Residence Overlooking the Mediterranean

From this elevated position, the Mediterranean becomes part of your everyday landscape. Located on the 19th floor, this exceptional 230 m² residence offers a rare combination of generous proportions, privacy and breathtaking sea views that accompany every room. The property features two terraces totalling 52 m², designed as true outdoor living spaces from which to enjoy the vastness of the Mediterranean. The perfect setting to start the day with the horizon as your backdrop, share an al fresco meal or…

229.5 m²

Floor plan

52.1 m²

Terrace

3

Bedrooms

3

Bathrooms

3.558.000 €

New Listing

Apartments for sale in Diagonal Mar

1.431.000 €

BCN079090010

Your Life by the Mediterranean | Space, Light and Terraces with Sea Views

Living by the Mediterranean takes on a whole new meaning in this spectacular 140 m² residence, designed to make the most of natural light, generous spaces and sea views that become an essential part of everyday life. The property stands out for its two spacious terraces, offering a total of 44 m², extending the interior living areas outdoors and providing the perfect setting for leisurely breakfasts overlooking the sea, long al fresco lunches or simply unwinding while watching the sunset.…

140.9 m²

Floor plan

44 m²

Terrace

2

Bedrooms

2

Bathrooms

1.431.000 €

New Listing

Apartments for sale in Diagonal Mar

1.305.000 €

BCN079080010

Exclusivity on the Mediterranean | Luxury, Design & Sea Views

Imagine waking up every morning with the Mediterranean as your backdrop. This spectacular 127 m² residence perfectly combines luxury, design, spaciousness and quality of life, in an exceptional setting where the sea views take centre stage. Its floor-to-ceiling windows fill the interiors with natural light and connect seamlessly with the two terraces, totalling 38 m² — the perfect setting for breakfast overlooking the sea, relaxing at sunset or enjoying unforgettable moments outdoors. The interior stands out for its elegant contemporary…

127.8 m²

Floor plan

38.3 m²

Terrace

2

Bedrooms

2

Bathrooms

1.305.000 €

Reduced Price

Apartments for sale in Diagonal Mar

1.270.000 €

BCN078390010

High-floor flat with terrace, incredible sea views and parking in Diagonal Mar

Located on one of the top floors of one of Diagonal Mar’s most iconic residential buildings, this extraordinary flat offers a unique living experience, characterised by breathtaking views of the Mediterranean Sea and the Barcelona skyline. Situated on a privileged 14th floor and facing south-west, it enjoys exceptional natural light throughout the day and spectacular sunsets that can be admired from its magnificent 18 m² private terrace. The property has 144 sqm according to the Land Registry (116 sqm of…

116 m²

Floor plan

18 m²

Terrace

3

Bedrooms

2

Bathrooms

1.270.000 €

Apartments for sale in Diagonal Mar

1.330.000 €

BCN078020010

Fabulous apartment with a terrace and spectacular views in Diagonal Mar

In this exclusive property, with breathtaking unobstructed views of the Barcelona skyline and the Mediterranean Sea, natural light and design take centre stage. The kitchen and all four bedrooms offer sea views, whilst the living room provides views of the Sagrada Familia, Montjuïc and the sea. Located in one of the city’s most sought-after areas, this property with 136 built interior sqm on the real 14th floor offers a unique living experience, combining spaciousness, elegance and a privileged connection with…

136 m²

Floor plan

29 m²

Terrace

4

Bedrooms

2

Bathrooms

1.330.000 €

New Development

Reduced Price

New developments for sale in Diagonal Mar

5.664.000 €

BCN068447616

Impressive luxury duplex with views over Barcelona in a unique building

This sensational luxury duplex is located in the tallest luxury residential building in Barcelona, unique and the last of its kind to be built before the change of legislation. A 30-storey architectural masterpiece located in Diagonal Mar, the most modern area of Barcelona. This duplex is located on the 22nd and 23rd floors. It has 272 built interior sqm and 4 terraces, which total 106 sqm and offer incomparable views of the sea and Barcelona. This high-end duplex is contemporary…

272 m²

Floor plan

106 m²

Terrace

4

Bedrooms

4

Bathrooms

5.664.000 €

Apartments for sale in Diagonal Mar

1.190.000 €

BCN075390010

Excellent seafront apartment with terrace in a luxury building

Imagine contemplating the sea every day from your home, with the comfort of the services of a luxury building and all the benefits of living in Barcelona. This exclusive seafront flat, just a minute's walk from the beach, will be your refuge to enjoy the Mediterranean lifestyle and unbeatable panoramic sea views. The flat has 89 built interior sqm and a 56 sqm corner terrace. It's on the second floor of a building with concierge service and 24 hour security,…

89 m²

Floor plan

56 m²

Terrace

2

Bedrooms

2

Bathrooms

1.190.000 €

Sold

Apartments for sale in Diagonal Mar

769.000 €

BCN074530004

Fantastic property with terrace in a luxury building in Diagonal Mar

This flat with 81 built interior sqm and a 50 sqm terrace is located in Diagonal Mar, 5 minutes away from the beach, in the luxury building "Illa del Llac". It's a modern residential complex with swimming pool, gym, event areas, children's area, paddle tennis court and 24 hour security, which puts luxury and comfort within your reach. The property is on the ground floor. A spacious entrance hall leads to the day area, a cosy and bright living-dining room…

81 m²

Floor plan

50 m²

Terrace

2

Bedrooms

1

Bathrooms

769.000 €

Apartments for sale in Diagonal Mar

1.690.000 €

BCN075340010

Fabulous property with terrace and excellent sea views in an upscale building

This stunning flat is a jewel that rises above the Mediterranean Sea, providing you with unbeatable views from its terrace on the 23rd floor of a luxury building. It's located in the Diagonal Mar neighbourhood, the most modern in Barcelona, where luxury lifestyle and contact with nature come together in the heart of the city. The property has 115 built interior sqm and a 63 sqm terrace. The price includes 2 parking spaces and a storage room in the same…

115 m²

Floor plan

63 m²

Terrace

3

Bedrooms

2

Bathrooms

1.690.000 €

Find the best apartments for sale in Diagonal Mar


Diagonal Mar, located in the Sant Martí district in the northeast of Barcelona, is one of the city’s most modern and exclusive areas. Developed as part of the Forum of Cultures 2004 urban plan, it has quickly become one of the most sought-after locations for luxury flats for sale. At Bcn Advisors, we specialize in premium real estate and can help you find the best apartments for sale in Diagonal Mar.

A modern and vibrant environment

One of the highlights of Diagonal Mar is its expansive park, the third-largest in Barcelona, offering an excellent space for outdoor activities. The nearby Diagonal Mar shopping center provides access to top brands, entertainment, and dining options, making daily life convenient and enjoyable. Transportation in Diagonal Mar is excellent, with easy access via Ronda Litoral, Avinguda Diagonal, and a well-connected public transit network.

Another major advantage of buying a flat in Diagonal Mar is its proximity to Barcelona’s beaches, allowing residents to enjoy a relaxed coastal lifestyle. The area is also near 22@, Barcelona’s technological district, home to leading companies and university campuses focused on innovation and research, making it a prime location for professionals and students alike.

Luxury residential buildings and flats for sale in Diagonal Mar

The residential complexes in Diagonal Mar are some of the most exclusive in Barcelona, featuring high-rise buildings and skyscrapers with breathtaking sea views and spacious terraces. The five most prestigious luxury developments in the area include: Illa del Mar, Illa del Bosc, Illa de la Llum, Illa del Llac, Illa del Cel.

These modern luxury apartments for sale in Diagonal Mar offer top-tier amenities and contemporary architecture, ensuring maximum comfort and convenience. With high-end design, premium materials, and exceptional quality standards, these properties provide an unparalleled living experience.

Most flats for sale in Diagonal Mar are over 100 m², making them ideal for families or those seeking spacious living areas. Additionally, residents benefit from exclusive community services, including:

  • 24-hour security and concierge service
  • Swimming pools and fitness centers
  • Sports courts and multipurpose rooms
  • Private parking and beautifully landscaped gardens

Buy an apartment in Diagonal Mar with Bcn Advisors

If you are looking for luxury apartments for sale in Diagonal Mar, Bcn Advisors offers a premium selection of high-end properties tailored to your needs. Whether you seek a modern seafront residence or a spacious family home, we will help you find the perfect flat for sale in Diagonal Mar.

Discover the best investment opportunities and buy an apartment in one of Barcelona’s most prestigious neighborhoods today!

Frequently Asked Questions about flats for sale in Diagonal Mar, Barcelona


How much does it cost to buy flats in Diagonal Mar?

If you are looking to buy a flat in Diagonal Mar, it is essential to know the market prices. As of November 2020, the average price per square meter for flats for sale in Diagonal Mar is €6,400/m². This reflects the area’s exclusivity, modern infrastructure, and proximity to the beach.

Can I get a visa residency in Spain if I buy an apartment in Diagonal Mar?

Yes, if you buy an apartment in Diagonal Mar with an investment exceeding €500,000, you may be eligible for Spain’s Golden Visa program. This program grants a 12-month renewable residence permit, allowing you to live in Spain as long as you maintain the investment.

Does Bcn Advisors assist with the negotiation process?

Absolutely. At Bcn Advisors, our expert team provides full guidance and support when you buy flats in Diagonal Mar. We offer professional negotiation assistance, ensuring transparency and leveraging our deep knowledge of the Diagonal Mar real estate market to help you secure the best deal. If you’re considering an investment in apartments for sale in Diagonal Mar, contact us today to find the best options available!

Similar properties that may interest you

New Listing

Apartments for sale in Diagonal Mar

1.487.000 €

BCN079300011

Exclusive Luxury Apartment with Private Terrace and Panoramic Views

Some homes stand out for their location, others for their architecture, and some for their generous spaces. Then there are those that bring all these elements together to offer a truly different way of living. This property, located on the 6th floor of an exclusive development, has been designed precisely for that: to enjoy natural light, space, panoramic views and comfort within an exceptional residential setting. With 130 m² of interior space, the property offers a balanced and elegant layout,…

129.4 m²

Floor plan

47.5 m²

Terrace

2

Bedrooms

2

Bathrooms

1.487.000 €

New Listing

Apartments for sale in Diagonal Mar

3.558.000 €

BCN079110010

Living Above the Horizon | An Exclusive Residence Overlooking the Mediterranean

From this elevated position, the Mediterranean becomes part of your everyday landscape. Located on the 19th floor, this exceptional 230 m² residence offers a rare combination of generous proportions, privacy and breathtaking sea views that accompany every room. The property features two terraces totalling 52 m², designed as true outdoor living spaces from which to enjoy the vastness of the Mediterranean. The perfect setting to start the day with the horizon as your backdrop, share an al fresco meal or…

229.5 m²

Floor plan

52.1 m²

Terrace

3

Bedrooms

3

Bathrooms

3.558.000 €

New Listing

Apartments for sale in Diagonal Mar

1.305.000 €

BCN079080010

Exclusivity on the Mediterranean | Luxury, Design & Sea Views

Imagine waking up every morning with the Mediterranean as your backdrop. This spectacular 127 m² residence perfectly combines luxury, design, spaciousness and quality of life, in an exceptional setting where the sea views take centre stage. Its floor-to-ceiling windows fill the interiors with natural light and connect seamlessly with the two terraces, totalling 38 m² — the perfect setting for breakfast overlooking the sea, relaxing at sunset or enjoying unforgettable moments outdoors. The interior stands out for its elegant contemporary…

127.8 m²

Floor plan

38.3 m²

Terrace

2

Bedrooms

2

Bathrooms

1.305.000 €

Apartments for sale in Diagonal Mar

1.330.000 €

BCN078020010

Fabulous apartment with a terrace and spectacular views in Diagonal Mar

In this exclusive property, with breathtaking unobstructed views of the Barcelona skyline and the Mediterranean Sea, natural light and design take centre stage. The kitchen and all four bedrooms offer sea views, whilst the living room provides views of the Sagrada Familia, Montjuïc and the sea. Located in one of the city’s most sought-after areas, this property with 136 built interior sqm on the real 14th floor offers a unique living experience, combining spaciousness, elegance and a privileged connection with…

136 m²

Floor plan

29 m²

Terrace

4

Bedrooms

2

Bathrooms

1.330.000 €

New Listing

New Development

Apartments for sale in Diagonal Mar

5.630.000 €

BCN079130010

Exclusive luxury residence with terraces and panoramic views

Imagine waking up every morning on the 19th floor, opening the doors to your terrace and being greeted by the sea stretching out before you. This is not simply a home: it is a property designed for those who want to live at another level. With 386 m² of interior space and 106 m² of terraces, this spectacular residence offers a sense of space that is truly hard to find. Its floor-to-ceiling windows allow natural light and breathtaking views to…

386 m²

Floor plan

106 m²

Terrace

4

Bedrooms

4

Bathrooms

5.630.000 €

Sold

Apartments for sale in Diagonal Mar

769.000 €

BCN074530004

Fantastic property with terrace in a luxury building in Diagonal Mar

This flat with 81 built interior sqm and a 50 sqm terrace is located in Diagonal Mar, 5 minutes away from the beach, in the luxury building "Illa del Llac". It's a modern residential complex with swimming pool, gym, event areas, children's area, paddle tennis court and 24 hour security, which puts luxury and comfort within your reach. The property is on the ground floor. A spacious entrance hall leads to the day area, a cosy and bright living-dining room…

81 m²

Floor plan

50 m²

Terrace

2

Bedrooms

1

Bathrooms

769.000 €

Can’t find what you’re looking for?

For confidentiality reasons, we don’t display our entire property portfolio. For more information, please don’t hesitate to contact us.

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