MobileSIM eSIM Data Plans for Saint Martin

MobileSIM does not provide a truly unlimited data eSIM for Saint Martin. The plans that use the word “Unlimited” actually give a fixed high‑speed allowance of 3 GB per day; once this limit is reached the speed drops to a reduced 1000 kbps.

For travelers who need more usage without a speed drop, MobileSIM offers fixed data plans such as 60 GB for 125 days, 20 GB for 30 days, 10 GB for 30 days, and 5 GB for 30 days. These plans avoid the throttling that occurs after the daily 3 GB cap and may be more cost‑effective for heavy data consumers.

MobileSIM does not provide eSIM plans for Saint Martin that include a local phone number or SMS capability. Only data‑only eSIMs are available. Travelers can use VoIP applications such as WhatsApp, Telegram or iMessage over the data connection for voice and messaging without a phone number.

MobileSIM lists 19 distinct plans for Saint Martin, split into 9 single‑country options and 10 multi‑country options. Prices range from $2.30 to $165.00 while data caps run from 200 MB to 60 GB. The portfolio includes both daily‑capped plans, which reset each day, and fixed‑amount plans that provide a set amount of data for the entire validity period.