ZenSim eSIM Data Plans for Saint Martin

ZenSim does not provide a truly unlimited data eSIM for Saint Martin; all available plans have a fixed data amount or a per‑day limit. The plan named “Saint Martin Unlimited STANDARD - 5 Days” actually caps data at 3 GB per day, and once that limit is reached the speed is usually reduced.

For travelers who need more data, ZenSim offers several fixed‑data options, such as the 20 GB plan valid for 15 days at $60 USD or 30 days at $66 USD, the 10 GB plan valid for 15 or 30 days, and a 5 GB plan valid for 15 days. These plans can be more cost‑effective than a capped daily allowance for typical data usage.

ZenSim does not provide a Saint Martin eSIM that comes with a local phone number or the ability to send and receive SMS. The only eSIM options in Saint Martin from ZenSim are data‑only plans. Travelers can use popular VoIP applications such as WhatsApp, Telegram, and iMessage over the data connection to make calls and send messages.

ZenSim offers 10 single‑country plans for Saint Martin—no multi‑country options are available. The plans are priced between $10.00 and $70.00, with data caps ranging from 1 GB to 20 GB and validity periods of 5 to 30 days. Nine of the plans are fixed‑data cappers, giving a set amount of data for the entire validity, while one plan is a daily‑data‑cap plan that limits how much data can be used each day. Tethering is allowed on applicable plans.