Your trusted maritime logistics partner for Offshore Support, Shipping and Crewing.

Offshore Services Vessel Management Crewing

Who we are

Coastwise is your trusted maritime logistics partner for Offshore Support, Shipping and Crewing.

Our activities include crew transfer vessels and services for Offshore Wind, Vessel Management and Crewing Services. Coastwise owns a fleet of 2 crew tenders.

Coastwise Offshore focuses mainly on Renewables and Oil & Gas industry, in compliance with the highest safety and industry standards. Coastwise Shipping provides operational, technical and commercial management to captain/owners , shipping companies, brokers and charterers of crewtransfer and multi-purpose vessels.

Based on traditional captain/owner values, Coastwise delivers high-quality and cost-effective services with an open and no-nonsense approach.

What we do

Coastwise specializes in Offshore, Shipping and Crewing.

As a dedicated vessel owner we always make every effort to provide the best service, based on our customer’s needs. We operate in accordance with the highest safety and quality standards.

Our high service level is based on captain/owner 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.


Coastwise Offshore focuses on offshore wind crew transfers. Our Crew Transfer Vessels have a unique design that allows transfer up to 30 pax to offshore wind parks fast and comfortably and remain on-site in significant wave height up to 2- 2,5 meters.


Coastwise Shipping offers operational and technical management, as well as commercial management, newbuilding consultancy and supervision. We operate internationally, offering independent services and knowledge to captain/owners, shipping companies, brokers, charterers, and other third parties.


Coastwise Crewing works exclusively with highly motivated masters, officers and crewmembers, dedicated to their job on board. They operate with a friendly, service oriented attitude that results in high-quality performance of the job.

Our Fleet

Cos Master


Cos Mate


Cos Mariner


Commercial management of the crewtenders is handled by our dedicated partner Seazip Offshore Services.

ISO Certification

We are proud to announce that Coastwise Offshore services B.V. has passed its ISO 9001-14001-45001 audit and has been awarded

Read More »


Endurance time to our second Crewtender, Cos Mate.