Marine Engineering & Constructions

Spanopoulos Group is a leading contractor in the marine construction field throughout the Mediterranean, North Africa and Red Sea. Over the last 50 years the Group has developed considerable expertise undertaking more than 400 projects in Greece and abroad, such as:

  • Harbour & Marinas Constructions
  • Dredging
  • Breakwaters & Coast Protection
  • Caissons & Concrete Elements Installation
  • Pile Driving
  • Offshore Foundation Works
  • Geotechnical Investigations
  • Underwater Pipes & Cables (Laying and Repair)

The group’s strategy is focused on further specialization in Marine Construction’s sector. Aiming on the continuous improvement of the provided services, the Group is investing in the expertise of the Staff and the modernization of the equipment.


Based on its 50 years of accumulated technical knowledge and contemporary equipment, Spanopoulos Group can undertake the construction, modernization and maintenance of all kinds of harbour/marine installations, which is merely the starting point of our group’s activities. Meeting the challenges of the increased demands of modern public and private works, we have developed a high level of expertise and are thus able to offer a wide variety of services such as the following:

  • Passenger Harbours
  • Commercial Ports
  • Marinas
  • Shipyard
  • Fishing Harbours
  • Oil Jetties


Dredging is one of the Group’s major activities. By investing in expertise, and renewing its fleet and machinery, over the last twenty five years, the company has been able to fully meet the increased demands of the projects. Due to this investment, the following specific works could be undertaken:

  • Maintenance, deepening and widening of Ports
  • Land reclamation and sand stockpiling
  • Coastal protection
  • Trenching and backfilling of underwater pipelines and cables


The Group’s experienced scientific personnel together with its modern and specialized equipment (floating cranes, jack up barges, pile rings, vibro & diesel hammers, drills) enables operations such as the following to be undertaken:

  • Jetty Construction
  • Pile Driving
  • Bored piles construction
  • Bottom sampling and geotechnical investigation
  • Ground improvement (stone columns, jet grouting)


Efficiency and high standards of professionalism are key elements in handling all underwater projects and repairs. Spanopoulos Group can undertake underwater welding and cutting, the laying and repair of all kinds of pipes - cables (power supply cable, communications, water supply and sewage system), including underwater ships repairs, ensuring the desired outcome.

A special team carries out the laying, placements and repairs of underwater pipes and cables. This may also include performing the necessary excavations, the laying of underwater pipes and cables and the placement of protective covering of these cables and pipes with inactive materials and preconstucted parts. Usage of cutting-edge technological equipment and abidance by the strictest safety regulations, resulted in establishing Spanopoulos Group amongst the pioneers in the field of underwater projects.