Yes, AeriSIM provides unlimited data eSIMs for Réunion. The plans are available in 5G coverage and offer validity periods ranging from 1 day up to 30 days, with prices between $2.21 and $40.89 USD. While the data is unlimited, speeds may be throttled after heavy usage, with a maximum speed of 5000 kbps for the larger validity options. Travelers who want to ensure normal speeds and understand the Fair Usage Policy should contact AeriSIM directly to confirm how many gigabytes may be used at full speed before throttling applies.