Our experience of over 30 years in the field we endorse


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COSBA, S.A., the guarantee of a long career

We are a family business specialising in real estate construction, promotion and intermediation in Denia and surroundings. In the field of real estate promotion, we have a long trajectory of 35 years in the sector. This experience has enabled us to establish a well planned work process. A personalized process which sets off from the ideas, likes and necessities of our clients. This, along with always working with the best professionals in each area, and offering a complete service with all the guarantees, allows us to produce a unique design for each project, a finished product adapted 100% to the requirements of our clients. Ultimately, to construct the house that our clients have always dreamed of living in.

As for our intermediation business, we have available a wide selection of apartments, flats, villas, semi-detached, terraced properties and building plots in the Marina Alta area, both new build and resale. We form part of the biggest real estate association of Denia, “Denia MLS Inmobiliaria”, a real estate association made up of 25 agencies. A large network of collaborations that allows us to offer an immense variety of properties where, we are sure, is the property you are looking for.

We also have available of rental properties, both vacational and long term.

Our long history and experience in the sector guarantees a professional, personal treatment and a complete knowledge of the product. We invite you to get to know us better and to let us advise you in such an important decision.

Because experience does count and our 35 years in this business are a guarantee that things are being done well. Our experience is backed by more than 500 projects.

3 bedroom penthouse with sea views for sale in Dénia


Attic apartment with sea views, on the first line of sandy beach. Duplex house with 3 double bedrooms (originally 2 b...

  • Ref. C25897
  • 70
  • 3 Bedrooms

Renovated 3 bedroom townhouse with private garden and communal pool


3 bedroom duplex townhouse for sale in Dénia, in a large urbanization with 2 swimming pools. Renovated  house with mo...

  • Ref. C20898
  • 80
  • 3 Bedrooms

2 bedroom beachfront apartment for sale in Dénia


Apartment on the first line of sandy beach for sale in Las Marinas, Dénia. The house, recently painted, is distribute...

  • Ref. C25896S
  • 71
  • 2 Bedrooms

Penthouse with panoramic views of Montgo and sun all day for sale in Dénia


Privileged location of this urbanization a step away from the beach and a few meters from the urban center. Its perfect ...

  • Ref. C25894S
  • 137
  • 2 Bedrooms

Ground floor apartment with 2 bedrooms for sale in Dénia


In one of the most beautiful urbanizations of Dénia, built in ... with very good materials, this ground floor with 2 dou...

  • Ref. C00891
  • 102
  • 2 Bedrooms



Cozy Villa surrounded by a beautiful garden with stunning sea views just 2 km from Pedreguer, in the urbanization La Sol...

  • Ref. ES4129C
  • 196
  • 905
  • 3 Bedrooms

Featured Properties

New build

New 3 bedroom modern design villa with swimming pool


New 3 bedroom modern design villa with swimming pool. In this residential area where only 2 level properties ar...

3 bedrooms villa with views for sale in Pedreguer


3 bedroom villa with private pool for sale in Monte Pedreguer. Property with 3 double bedrooms, 2 bathrooms, kit...

Penthouse with panoramic views of Montgo and sun all day for sale in Dénia


Privileged location of this urbanization a step away from the beach and a few meters from the urban center. Its per...

3 bedroom duplex penthouse for sale in Dénia a step away from the town with panoramic views of Montgo


This house is located in one of the most requested areas for being a step away from the center of Dénia but enjoyi...

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