Saint Martin French

Affordable data plans — starting from $6.92. Reliable connection from Saint Martin French’s best networks. Buy now and activate the plan just before your trip. Works with all smartphones with eSIM technology.

Choose the plan that’s best for you

We’ll guide you through the activation process in the Prontosim app after purchase.
If you don’t manage to activate your plan, you’ll be eligible for a refund.
Secure payment guaranteed.

How does prontoSIM Saint Martin French work?

Don’t have prontoSIM app yet? Get it now from the App Store or Google Play.

How the protosim eSIM for Saint Martin French works

Here’s how to start using an eSIM in Saint Martin French:

How to activate your prontoSIM eSIM for Saint Martin French

Buy your eSIM in advance, then activate it right beforeyour trip. Simply tap “Activate eSIM” in the prontoSIM app — and you’re good to go.