There are no truly unlimited data eSIMs for Iceland from ETravelSim. All plans listed in the provider’s catalogue have a fixed data limit. The plans that carry the word “Unlimited” in their names provide 4GB of high‑speed data each day; once that daily allotment is used, speed is throttled to 128kbps.
Fixed data plans are available for travelers who need more stable limits. For example, the Travel eSIM for Iceland 50 GB – 30 days plan offers 50GB of high‑speed data for 30 days at $49.99 USD, while another option is the Travel eSIM for Iceland – 30 days plan that supplies 4GB/day (120 GB total) for $59.99 USD. Choosing a fixed‑data plan may be more cost‑effective for most users unless a very high data volume is required.