ChillaxSIM does not provide a true unlimited data eSIM for the Cayman Islands. All its plans that list “Unlimited” in the name actually include a fixed data allowance, with a maximum of 1GB in total or 1GB per day, and the speed is throttled to 5120kbps once the limit is reached.
Instead, ChillaxSIM offers several high‑capacity fixed‑data plans for the Cayman Islands. For example, a 20GB plan valid for 30 days costs $75.90 USD, and there are 10GB plans for 15 or 30 days costing $50.90 and $51.90 USD, respectively, as well as 5GB plans for 7 or 15 days. These plans provide unrestricted high‑speed data up to the stated cap and can be more economical for travelers who need a substantial amount of data without the reduced speed that follows an unlimited plan’s limit.