BetterRoaming does not provide any unlimited‑data eSIM plans for Iceland. The available plans for the country have fixed data caps of 5 GB, 10 GB, or 20 GB and all are valid for a 30‑day period. Travelers who want a larger data allowance can choose one of these fixed plans; for example, the 20 GB plan for 30 days costs $36.99 USD, while the 10 GB plan for 30 days costs $23.99 USD. Selecting a fixed plan can be more cost‑effective for most users unless they expect to consume data at an exceptionally high rate.