MobileSIM eSIM Data Plans for Saint Barthélemy

MobileSIM does not provide a genuinely unlimited data eSIM for Saint Barthélemy. The plans that use the word “Unlimited” actually allow 3GB per day; once that daily allowance is reached the speed is throttled to 1000kbps. If a truly unlimited experience is required, this provider does not currently offer such a plan for the island.

For travelers who want more data without daily limits, MobileSIM sells fixed‑data eSIMs. Examples include a 20 GB plan for 30 days at $49.00, a 10 GB plan for 30 days at $39.00, or a 5 GB plan for 30 days at $27.00. These fixed‑data plans can be more cost‑effective, especially for users who are not extreme high‑bandwidth consumers.

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.

The provider lists 12 plans that cover Saint Barthélemy only, while an additional 5 plans reach the island as part of a multi‑country bundle. Pricing for MobileSIM’s offerings ranges from about $8.50 to $99.00, and the available data caps vary between 1 GB and 20 GB. Some plans operate on a daily data cap, limiting usage each day, whereas others provide a fixed data amount for the entire validity period, which can last from 3 to 30 days.