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Coastal Challenger challenged

December 16, 2022

Recently C-Ventus chartered the Acta Marine Dynamically Positioned vessel Coastal Challenger for a short campaign placing gravel bags as protective cover on a subsea cable. 

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Coastal Crown sparkles as the Trenching Queen

October 13, 2022

On 28 September 2021, the diminishing COVID-19 measures allowed for a modest party around the name giving ceremony of Acta Marine’s newly build DP utility vessel “Coastal Crown”.

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HS Crane for Coastal Roamer

September 06, 2022

Acta Marine has placed a HS Marine AKC 100 HE3 crane on board her Shoalbuster Coastal Roamer.

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The Walk-2-work vessel Acta Auriga will assist the commissioning of the F├ęcamp and Calvados (Courseulles-sur-Mer) offshore wind farms

June 23, 2022

Acta Marine announced it has signed a contract for the charter of a Construction Support Operations Vessel, the Acta Auriga, to support Siemens Gamesa Renewable Energy’s commissioning activities of 71 offshore wind turbines at the Fécamp offshore wind farm and 64 offshore wind turbines at the Calvados offshore wind farm.


  • The Construction Support Operation Vessel will support the commissioning of both Fécamp and Calvados offshore wind farms, respectively in 2023 and 2024;
  • The Fécamp offshore wind farm will be equipped with 71 7-MW turbines and the Calvados offshore wind farm with 64 7-MW turbines; and will have an installed capacity of respectively around 500MW and 450MW.


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Acta Marine expands offshore wind farm support and orders two next generation methanol powered CSOVs at Tersan Shipyard

June 14, 2022

Acta Marine has signed a contract for the construction of two next generation Methanol MDO/HVO powered DP2 Construction Service Operating Vessels (CSOVs) at Turkish shipyard Tersan with two optional vessels for delivery at a later stage. The vessels are primarily aimed at the offshore wind construction market and carry the new SX-216 TWIN-X Stern design from Ulstein Design & Solutions AS that was exclusively designed for and in cooperation with Acta Marine.

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Trial report: Acta Marine Hybrid Multi Cat in combination with Ampelmann L-type

April 21, 2022

Recently offshore access provider Ampelmann and Acta Marine performed a successful test with an electric L-type walk-to-work gangway on board Acta Marine’s latest addition to the fleet, the Coastal Crown.

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Coastal Crown making headlines

November 11, 2021

Our newest vessel Coastal Crown is off on her first project and instantly making headlines on the RTL4 evening news. This DP vessel, together with Coastal Challenger, have successfully completed beach trials on behalf of TenneT near Wijk aan Zee.

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GE Renewable Energy and ACTA MARINE sign contract for Saint-Nazaire offshore wind farm Service Operation Vessel

September 22, 2021
  • The Service Operation Vessel will support the GE Wind Turbines Mechanical Completion and Commissioning phase of the Saint-Nazaire offshore wind farm construction
  • The installation is due to begin in the second quarter of 2022
  • The Saint-Nazaire offshore wind farm will be equipped with 80 Haliade 150-6 MW and will have an installed capacity of 450 MW 
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Acta Marine seeks strategic co-owner to further grow offshore wind business

April 28, 2021

Acta Marine is experiencing strong growth in the offshore wind market and wants to leverage its market leading position to further grow its fleet. The strategic plan focusses on ordering two more Construction Service Operation Vessels (CSOVs) in the short term, with further expansion plans for the near term. To finance such expansion, Acta Marine is looking to raise fresh capital from a new co-owner to support the further development of the company together with the current owner.

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Acta Auriga successfully completed the Bard Offshore project

April 07, 2021

Today Acta Marine completed its 3 year maintenance campaign for Ocean Breeze on the Bard Offshore 1 wind farm. Acta Auriga started the O&M works on Bard in April 2018 just weeks after vessel delivery from Ulsteinvik. 

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Present at

11 & 12 October, Sport Ireland Campus, Dublin 



8 & 9 November, Sunderland, England




28 & 29 November, Amsterdam