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 was once the satellite broadcasting division of the leading national telecom operator KPN. Castor Networks and Castor Marine were initiated in 2005. The company is now privately financed and based in De Meern, the Netherlands. We are owner-operator of two teleports and a leased fibre network. Our dedicated team consists of technical, operational and sales staff who work in various places around the world. We aim to exceed your expectations when it comes to Internet connectivity and IT services.


Our offices

Utrecht | The Netherlands (HQ)

Rijnzathe 4
3454 PV , De Meern

Groningen | The Netherlands

Stavangerweg 23-14
9723 JS , Groningen

Oslo | Norway

Nedre Slottsgate 15

Nice | France

5 Quais des Deux Emmanuels
06300 , Nice

“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

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