MobileSIM eSIM Data Plans for Cayman Islands

MobileSIM does not provide a truly unlimited high‑speed eSIM plan for the Cayman Islands. The only plan that carries “Unlimited data” in its name offers 3 GB per day for 7 days, after which the speed is reduced to 1000 kbps. Travelers looking for higher data allowances can choose from fixed‑data plans such as 20 GB for 30 days or 10 GB for 30 days, which give full‑speed access for the entire validity period and may be more cost‑effective for most users.

MobileSIM does not provide eSIM plans that include a phone number or SMS capability for the Cayman Islands. It offers only data‑only eSIM options. Travelers who need to make calls or send messages can use popular VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection, but they should confirm that these services are accessible and not blocked in the Cayman Islands before purchasing.

MobileSIM lists six single‑country data plans for the Cayman Islands and eleven multi‑country plans that include the Cayman Islands. Prices range from about $2.30 to $165, data limits span 200 MB to 60 GB and validity periods run from 5 to 125 days. Within the single‑country offering, users can choose from a variety of fixed‑data‑cap options (16 total) or the one daily‑cap plan that limits data usage per day, while the multi‑country options are mainly fixed‑cap plans that allow coverage across multiple destinations.