What to do in Diagonal Mar

Diagonal Mar is where the Diagonal ends and the sea begins. It was finished for the 2004 Fòrum, and the big things date from then: Enric Miralles's park, designed around water, and an esplanade large enough for the festivals that fit nowhere else. If you have a few hours, the quietest beaches in the city are here.

At Waltru, Diagonal Mar is an extended area reaching the Fòrum grounds: it covers Diagonal Mar i el Front Marítim del Poblenou and el Besòs i el Maresme, which is where the grounds are.

Standing out this week: courses and music

Where to start

What's on today

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This weekend

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Coming up

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See the neighbourhood's full programme

While you are here

If you are spending a few hours in Diagonal Mar, these places are worth discovering too.

  • Palo Alto Design Complex
  • Palo Alto Market
  • Museu Blau - Natural History Museum

Waltru can combine them with the plan you already picked and help you decide what to do before or after. Complete my plan in Waltru

Get to know Diagonal Mar

From the 2004 Fòrum to today's seafront, in three steps.

It was finished for the 2004 Fòrum de les Cultures, the second big event to reorder the seafront after 1992.

Diagonal Mar park, by Enric Miralles, is one of the city's largest and is built around water.

The Fòrum esplanade and its solar canopy now host concerts and fairs: it is where the festivals that fit nowhere else fit.

What its programme is like

Based on 84 events between 2026-08-04 and 2027-11-02.

Venues with a programme: Centre Cívic del Besòs i el Maresme · Casal de Barri Diagonal Mar · Casal de Barri Comunitari El Maresme · Auditori · El Parc del Fòrum · Fundació Privada Centre de Producció Artística i Cultural Palo Alto · Rambla de Prim · Al carrer Pellaires, 30

Neighbourhoods next door: Poblenou · El Clot · Sagrada Família · El Born

See the full Barcelona agenda