YonoSIM eSIM Data Plans for Cayman Islands

YonoSIM does not provide an unlimited data eSIM for the Cayman Islands. All Cayman Islands plans listed by YonoSIM have a fixed data allowance, such as 10GB for 30 days or 5GB for 30 days.

If a traveler needs a larger data quota, a fixed‑data plan may be more cost‑effective than an unlimited option, especially for moderate usage. For example, a 10GB/30‑day plan costs $78.99 USD, while a 5GB/30‑day plan is available for $49.99 USD. These plans offer high‑speed data within their specified validity periods.

YonoSIM does not provide a Cayman Islands eSIM plan that includes a phone number or SMS service. The only eSIMs offered for the Cayman Islands are data‑only, so travelers who need voice or text will need to rely on VoIP applications such as WhatsApp, Telegram or iMessage over the data connection. Those apps generally work, but some destinations can block or restrict access, so users should confirm that the services they need are available in the Cayman Islands before buying a plan.

YonoSIM lists 9 single‑country data plans and 7 multi‑country data plans that can be used in the Cayman Islands. The available single‑country offerings range from a 500 MB plan priced at about $4.50 to a 10 GB plan around $78.99, with validity periods anywhere from one to thirty days. Multi‑country options follow a similar price and data banding but allow extra coverage over adjacent territories; they too span the same data cap range and offer comparable duration choices. The single‑country plans typically provide a fixed data amount, while the multi‑country plans may include daily data caps that reset each day, giving users a flexible way to manage consumption across multiple destinations.