MobileSIM eSIM Data Plans for Saint Barthélemy

MobileSIM does not provide a truly unlimited data eSIM for Saint Barthélemy. The plans that carry the “Unlimited” name give 3 GB per day and, after that limit is reached, the speed is throttled to 1000 kbps.

Instead, MobileSIM offers fixed‑data plans that may be more economical for most users. For example, a 20 GB plan for 30 days costs $49.00 and a 10 GB plan for 30 days costs $39.00. These plans deliver the specified amount of high‑speed data without post‑cap throttling, and can be suitable unless a traveler requires an extremely high volume of data.

MobileSIM does not offer an eSIM for Saint Barthélemy that includes a phone number or SMS capability. The provider’s Saint Barthélemy plans are data‑only, so travelers will not receive a local SIM number or direct SMS service. However, most modern messaging and voice applications such as WhatsApp, Telegram, and iMessage work over data connections and can be used for calling and texting without a traditional phone number.

MobileSIM offers 12 single‑country plans and 8 multi‑country plans for Saint Barthélemy. Most of these plans are fixed data cap offerings, while a smaller segment provides daily data caps; the pricing across all plans ranges from about $2.34 to $99.00, with data capacities spanning 200 MB to 20 GB and validity from 3 to 60 days.