Le Clos Cochet 35350 Saint-Coulomb 06 08 03 55 76

· Sotramar supports you ·

Bathymetry, maritime marking…


With over 34 years of experience, we put our know-how at your service. Our team of professional divers (class II, mention A) can meet all your needs in immersed operations. We intervene quickly in Rennes and Nantes, in Bordeaux and Toulouse, and throughout France.

Specialists in maritime operations, river operations and port operations, we provide solutions to all your challenges. Our expertise allows us to work on all types of port, maritime, or river structures. We have the equipment and experience required to carry out the immersed operations you need, whatever the configuration of your site. For each intervention, we study the most innovative technical solutions.

· Specialized interventions ·

List of our maritime services


  • Inspection of civil engineering structures (dams, bridges, locks, water towers, tanks, swimming pools, etc.).
  • Video inspection with or without surface monitor.
  • Photo inspection, analog or digital.
  • Repair of civil engineering structures (not requiring major works).
  • Welding (steel, stainless steel).
  • Lifting, underwater handling / crane assistance.
  • Cleaning (water intake grids, etc.).
  • Dredging / Desilting.
  • Cutting (steel, stainless steel, cast iron, wood).
  • Cofferdam installation / Removal (steel, wood, aluminum panels, needles, etc.).
  • Works on cathodic protection.
  • Bathymetry.
  • Sampling and coring of sediments.
  • Pipeline installation.
  • Anchoring / Formwork / Concreting.
  • Resin application / Sealing / Waterproofing.
  • Project development, supply and installation of maritime marking.
  • Research / Maritime assistance.
  • Non-exhaustive list…

· Contact us ·

A responsive team at your service

Looking for a reliable partner for your maritime operations and port operations? Our teams are here to listen and respond quickly to your needs.