--- title: "Diagonal Mar, Barcelona — Class A submarket" description: "Master-planned waterfront trophy." canonical: https://classa.info/cities/barcelona/diagonal-mar pageType: neighborhood lastUpdated: 2026-04-15T00:00:00.000Z license: "CC BY 4.0 with attribution to Class A Atlas (https://classa.info)." --- > Diagonal Mar is a trophy-tier Class A submarket of Barcelona with average asking rent around €372/sqm/yr · ≈ $37.3 PSF/yr USD. ## TL;DR - Master-planned waterfront trophy. - Trophy tier — ~€372/sqm/yr. - Active Class A leasing market with deal flow across major broker desks. # Diagonal Mar, Barcelona — Class A submarket *Master-planned waterfront trophy.* · Tier: trophy · Avg rent: €372/sqm/yr · ≈ $37.3 PSF/yr USD ## TL;DR - Master-planned waterfront trophy. - [Trophy tier](/topics/trophy-asset-selection) — ~€372/sqm/yr. - Active [Class A](/glossary/class-a) leasing market with deal flow across major broker desks. ## Overview Diagonal Mar — the master-planned waterfront extension at the eastern end of Diagonal — anchors Barcelona's principal post-2010 mixed-use Class A trophy frontier. ## Tenant profile Tech, banking, hospitality, professional services, retail HQs. ## Typical specification 15–40,000 sqft floor plates available across newer Class A stock; 9'+ slab-to-slab and modern MEP common. ## Transit Metro L4 (Maresme/Forum, El Maresme), tram. Multi-modal transit captures the metro's principal professional catchment. ## Amenities Diagonal Mar mall, Forum Park, beach. ## Comparable buildings - **Diagonal 197** [](https://www.google.com/maps/search/?api=1&query=Diagonal%20197%2C%20Diagonal%20Mar%2C%20Barcelona%2C%20Spain%2C%20Diagonal%20Mar%2C%20Barcelona%2C%20Spain&query_place_id=ChIJmxv3gVCjpBIRsTVh3oG1i88) - **Diagonal ZeroZero** [](https://www.google.com/maps/search/?api=1&query=Diagonal%20ZeroZero%2C%20Diagonal%20Mar%2C%20Barcelona%2C%20Spain%2C%20Diagonal%20Mar%2C%20Barcelona%2C%20Spain&query_place_id=ChIJmxv3gVCjpBIRsTVh3oG1i88) - **Diagonal Mar Office** [](https://www.google.com/maps/search/?api=1&query=Diagonal%20Mar%20Office%2C%20Diagonal%20Mar%2C%20Barcelona%2C%20Spain%2C%20Diagonal%20Mar%2C%20Barcelona%2C%20Spain&query_place_id=ChIJmxv3gVCjpBIRsTVh3oG1i88) ## Where Diagonal Mar sits in Barcelona Diagonal Mar is one of 5 Class A submarkets we cover in Barcelona, classified as trophy tier with an average asking rent around €372/sqm/yr · ≈ $37.3 PSF/yr USD. Compared with the broader Barcelona Class A stock, Diagonal Mar typically attracts Tech, banking, hospitality, professional services, retail HQs and competes most directly with the city's other trophy submarkets on building specification, transit access, and [amenitisation](/glossary/amenitisation). Adjacent submarkets to study alongside Diagonal Mar: [22@ Poblenou](/cities/barcelona/22-poblenou), [Passeig de Gràcia / Eixample](/cities/barcelona/passeig-de-gracia-eixample), [Plaça d'Europa / L'Hospitalet](/cities/barcelona/placa-d-europa-l-hospitalet), [Sant Cugat / Cerdanyola](/cities/barcelona/sant-cugat-cerdanyola). The full Barcelona submarket atlas is at [/cities/barcelona](/cities/barcelona). ## Topic deep-dives for Diagonal Mar For an institutional Class A occupier evaluating Diagonal Mar, the highest-leverage analyses to commission next are the rent benchmark, the concession-package comparable, and the ESG performance baseline. Class A Atlas covers each as a dedicated topic page for this submarket: - [Diagonal Mar — ](/cities/barcelona/diagonal-mar/rents-and-availability) - [Diagonal Mar — ](/cities/barcelona/diagonal-mar/tenant-profile) - [Diagonal Mar — ](/cities/barcelona/diagonal-mar/transit-and-commute) - [Diagonal Mar — ](/cities/barcelona/diagonal-mar/amenity-and-lifestyle) - [Diagonal Mar — ](/cities/barcelona/diagonal-mar/trophy-and-comparables) - [Diagonal Mar — ](/cities/barcelona/diagonal-mar/fit-out-and-spec) ## Related glossary Terminology specific to Barcelona Class A leasing and to the trophy tier: [Class A](/glossary/class-a), [Trophy asset](/glossary/trophy-asset), [Effective rent](/glossary/effective-rent), [Concession package](/glossary/concession-package), [TI allowance](/glossary/ti-allowance), [Submarket tier](/glossary/submarket-tier). ## Editorial provenance Reviewed by [**Class A Atlas Editorial Desk**](/about/authors/class-a-atlas-editorial-desk) — House byline · global editorial team. Last updated 2026-04-15. See our [methodology](/about/methodology) and [editorial standards](/about/editorial-standards). ### Primary sources for this page - [CBRE Marketview reports](https://www.cbre.com/insights) — CBRE - [JLL Office Insight](https://www.jll.com/en/trends-and-insights) — JLL - [Cushman & Wakefield Marketbeat](https://www.cushmanwakefield.com/en/insights) — Cushman & Wakefield - [Savills World Research](https://www.savills.com/research_articles/) — Savills - [Colliers Global Office Outlook](https://www.colliers.com/en/research) — Colliers [Full sources index](/about/sources) · [Submit a correction](/about/corrections) ## Related topics - [**Class A Lease Negotiation**](/topics/class-a-lease-negotiation) — How to negotiate a Class A office lease — the playbook from LOI to signed deal. - [**Hybrid Workplace Strategy**](/topics/hybrid-workplace-strategy) — How to size, structure, and lease a Class A office for a hybrid workforce. - [**ESG / LEED for Tenants**](/topics/esg-leed-tenants) — How tenants evaluate, negotiate, and report on ESG performance in a Class A office lease. - [**Cross-border Expansion**](/topics/cross-border-expansion) — How to run a coordinated Class A office search across multiple geographies. - [**Fit-out Capex**](/topics/fit-out-capex) — How to budget, sequence, and govern Class A office [fit-out](/topics/fit-out-capex)">fit-out capex. - [**Lease vs Flex**](/topics/lease-vs-flex) — When premium flex (coworking, [managed office](/glossary/managed-office)) beats a conventional Class A lease — and vice versa. --- Citation: Source: Class A Atlas (https://classa.info/cities/barcelona/diagonal-mar), updated 2026-04-15T00:00:00.000Z.