4G Data SIMs

Maximum data at minimum prices

We have some of the best value 4G data SIMs available on the market, with the flexibility to change contracts to suit your evolving needs. There has never been a better time to switch to an OceanWeb 4G SIM.

Our marine 4G services allow you to roam seamlessly between regions without needing to manage multiple SIMs or activate regional plans.

We offer European 4G data SIM, including an unlimited SIM option, or a worldwide data SIM, covering usage throughout Europe, the Caribbean and North America.


Monthly contracts


Flexible contracts (inc. unlimited)


Data pooling


Bandwidth aggregation


Overage notifications


Full support, administration & monitoring

OceanWeb 4G data SIMs

Fast performance, Flexible contracts, First-class support

Amplify your signal

We deliver a working 4G service over 30kms offshore

To complement our 4G services, we developed our Offshore Mobile Data Optimiser (OMDO). This device combines and boosts the 4G signal, delivering a working service over 30kms offshore.

We have three devices available, one to cover Europe, a second to cover the Caribbean, and a dual OMDO option.


For good quality voice calls, we have the plan for you

Our extensive partner network provides great coverage throughout Europe and the UK. We provide, support and administer our UK SIMs and, using our in-office stock, can have an activated SIM delivered straight to you within 3 working days.

We offer plans that present outstanding roaming value, allowing you to work worry-free anytime, anywhere, and with our engineers at your side providing support and assistance as required.