Since its inception, DRAGADOS has been a construction company with a clear maritime vocation, specialized in the design and construction of marine work and with the experience, technology and specialized equipment and personnel necessary for the development of major port infrastructure projects worldwide.

Over the years, DRAGADOS has excelled for the quality of its work on marine and port projects and for its willingness to guarantee contract completion dates on both technically complex projects and those with special construction methodology needs.

Many of those projects, which have now become renowned beacons in the field of marine work worldwide, required the highest level of performance  on account of difficult geographical location and climatic conditions of the project sites.


DRAGADOS has worked on a total of 545 maritime work projects, which can be classified into the following main types:

  •  57 Expansion and new port projects
  • 173 docks and mooring berths, including the manufacture of approximately 3,000 hollow-core cellular box reinforced concrete caissons
  • 17 Vertical breakwaters (new construction)
  • 60 miles of sloped and rubble-mound breakwater
  • 31 Large port esplanades and paving projects
  • 7,062 billion cu. ft. of Dredging
  • 93 coastal projects: waterfront areas and beaches
  • 34 miles of water intake mains and distribution systems
  • Facility construction for 6 shipyards, including slipways, graving docks, and dry docks
  • 19 Bridges whose foundations, partially or completely located in sea waters, required the application of project- specific construction techniques and methodology
Expansion and new port projects::
Docks and mooring berths::
Vertical breakwaters::
Sloped and rubble mound breakwaters::
Large port esplanade construction and paving projects::
Dredging works exclusively for maintenance or creation of deeper drafts::
Works in waterfront areas and beaches:
Submarine outfalls and distribution systems::
Bridges with foundations in the sea::

Most important projects by Specialty

Punta Lucero Breakwater - Bilbao, Spain

A 2,444 m long breakwater with usable water depths in excess of 33 m, this was the first project completed at the Bilbao Exterior Port (Abra). The slope breakwater, the first of its kind in the Bay of Biscay, is protected by concrete blocks, some ... view »

Floating Dock at La Condamine Port - Monaco, Monaco

This floating dock was constructed as a 352,75 m- long, 28 m- wide, and 24.5 m- high reinforced concrete caisson and designed to allow for the mooring of cruise ships of overall length in excess of 200 m, making it the longest floating dock in the... view »

Port of Hayovel Expansion - Ashdod, Israel

The project included the construction of a 1,150 m long slope breakwater with 16 m3 Antifer concrete block protection as an extension of the existing breakwater, land reclamation to construct a 50 HA esplanade, and 3.2 million m3 of dredging. The ... view »

Port of Gijón Expansion - Gijón, Spain

The project included the construction of a new breakwater, a new dock, and a reclaimed land esplanade. The three-section breakwater includes the 1,433 m long Dique Torres - a slope breakwater with concrete block protection (weights up to 145 ton),... view »