Expertise & exceptional support

We combine innovation, attract expertise and form a team of dedicated professionals to be your best partner in Internet connectivity and IT networks. We value your business and we understand what's at stake. Our goal is to create a lasting and genuine relationship with you. One that you can count on for many years to come.

6 reasons to choose Castor Marine:

  1. 24/7 professional support
  2. Our voyager platform allows you to monitor your Internet traffic real-time
  3. Global coverage and reliable connectivity
  4. Full service and high-level competence
  5. We challenge technology to make sure you're future-proofed
  6. Fully certified to work onboard worldwide


About Castor Marine

Castor Marine is a leading satellite service provider and teleport operator, providing a suite of Global Connectivity Services which are seamlessly integrated and managed through our online portal. These include Global VSAT Ku-band services based on a fully owned and operated global Ku-band network, Starlink in addition to L-band and 4G LTE services. Castor Marine’s IT services include the design, implementation, and support of IT systems onboard, and SD-WAN solutions to connect your fleet to the internet.


Our offices

Utrecht | The Netherlands (HQ)

Rijnzathe 4
3454 PV , De Meern

Groningen | The Netherlands

Stavangerweg 23-14
9723 JC , Groningen

“Apart from the correct pricing, we were especially impressed by the flexibility and responsiveness Castor showed us in the past. Coming up with quick and temporary solutions as well as bringing forward innovative ideas customized to our fleet. We are more than confident that Castor is the right partner for us. “

Remko van der Knaap
Technical Fleet Manager for Rederij Groen

Would you like to pay us a visit?

Leave us your details. We'll set up an appointment, looking forward to meeting you!

Prefer making an appointment now?

Then ring +31 (0) 88 646 0100 or email to