eSIM for Saint Barthélemy — Instant 4G/5G Data Plans

Saint Barthélemy's mobile network is served by operators including Orange Caraïbe and Digicel, with 4G LTE coverage available across Gustavia, St. Jean, and the main populated and resort areas of the island. As a French overseas collectivity, Saint Barthélemy benefits from French telecommunications investment and coverage across this small island of just 25 square kilometres is generally consistent throughout the main coastal and resort zones. More remote hillside areas, private villa zones, and some coastal paths may have slightly weaker signal depending on terrain. MobiSIM connects through supported local networks to deliver reliable data across Saint Barthélemy's main tourist and residential areas during your visit.

Install your MobiSIM eSIM before landing at Gustaf III Airport or arriving by ferry from Saint Martin so you are connected from the moment you arrive. Saint Barthélemy is a compact island and easy to navigate with live map access for finding beaches, restaurants, and villa locations. Keep your home SIM active for calls while MobiSIM provides your data connection. Gustavia harbour is one of the Caribbean's most prestigious yacht anchorages and having data for marina information, restaurant reservations, and navigation between the island's beaches is particularly useful throughout your stay. If you are arriving by private yacht, save marina contacts, customs entry requirements, and anchorage details offline before departing Saint Martin or your previous port of call as offshore signal can vary on approach to the island.