No! This is the #1 roaming trap.
- For Dutch travelers: Although Sint Maarten is part of the Kingdom of the Netherlands, it is NOT in the EU. Your Dutch "Roam Like at Home" plan does not apply, and you will be charged high international rates.
- For French/EU travelers: Your EU plan only works on the French side (Saint-Martin). The moment you cross to the Dutch side (where the airport and cruise port are), you will be charged expensive non-EU roaming fees.
A Cellesim eSIM is the only way to get a fixed price for the entire island.