MobileSIM eSIM Data Plans for Saint Barthélemy

MobileSIM does provide plans branded “Unlimited” for Saint Barthélemy, but these are not truly unlimited high‑speed data plans. Each of the unlimited options gives 3 GB per day of 4G/5G data and, once that daily allowance is exceeded, the speed is throttled to 1000 kbps. If you need continuous higher‑speed connectivity, MobileSIM offers fixed‑data plans that may be more suitable.

For example, MobileSIM sells a 20 GB plan for 30 days in Saint Barthélemy at $49 USD and a 10 GB plan for the same validity at $39 USD. These fixed‑amount options provide the full data capacity without an initial daily cap and may be more cost‑effective for travelers who only need a large but non‑unlimited data supply.

MobileSIM does not provide eSIM plans for Saint Barthélemy that include a phone number or SMS capability. Only data‑only eSIMs are available from this provider for the destination.

Travelers can use VoIP services such as WhatsApp, Telegram, or iMessage over the data connection to make calls and send messages. However, some destinations may block or restrict access to certain apps or VoIP services, so users should verify that the apps they rely on are accessible in Saint Barthélemy before purchasing an eSIM.

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.