eSimfly does not provide an unlimited data eSIM for Saint Vincent and the Grenadines. All of the listed plans have fixed data caps, such as 20GB for 30 days, 25GB for 30 days, and 10GB for 30 days. The plan named Caribbean Islands Unlimited 7 Days offers 3GB per day and reduces speed to 1000kbps after the daily limit, so it is not truly unlimited.
Travelers who need more data can choose a fixed data plan with a larger allowance, for example the 25GB 30 days plan or the 20GB 30 days plan. These plans provide a larger data allowance and may be more cost‑effective for heavy data users compared to a plan that throttles after a daily limit.