Who we are

Coastwise is your trusted maritime logistics partner for Offshore Support, Shipping and Crewing. Established in 2002 as a traditional captain/owner shipping company, Coastwise has been growing and expanding into the versatile maritime service provider it is today.

At the heart of our company lies an exceptionally high service standard, based on typical captain/owners values; service, dedication, reliability and integrity. We stand behind our word and are highly committed to our customer, our work and our crew. Part of that commitment is tailoring our services to our customer’s wishes to ensure that the job is performed as efficient as possible.

About the owners

Coastwise was founded nearly two decades ago by captain/owners Eelko Wijdieks and Douwe van den Berg after having gained years of experience on board low air draft sea/river vessels, multipurpose vessels, container ships and transportation of various types of cargo.

Soon thereafter, their combined knowledge and energy resulted in the delivery of 2 new build, ice classed, multipurpose vessels. Coastwise input in the design and engineering of these vessels resulted in a series of 19 vessels for the shipyard, a design that is still popular in the market today.

With these new vessels Coastwise gained more experience in the Short Sea Market. The ships under Coastwise management are operated by both owners, who still sail as master.

As of August 2020, Onno Nienhuis from the small fishing village of Zoutkamp strengthen Coastwise Offshore Services B.V. as managing partner. Onno has strong maritime ties and is an experienced entrepreneur and investor, active in fishing, real estate and ship finance. He also has an extensive relevant network. 

Our company name reflects the roots of our enterprise; starting out with shipping, expanding to crewing and offshore.


Endurance time to our second Crewtender, Cos Mate.