eSIMatrix does not provide an unlimited data eSIM for Antigua and Barbuda. All available plans for this destination have a fixed data allowance of 20GB, with validities ranging from 5 to 30 days.
As alternatives, eSIMatrix offers fixed data plans such as the Antigua and Barbuda 20 GB – 30 days plan for $93.00 USD and the Antigua and Barbuda 20 GB – 10 days plan for $84.50 USD. These fixed plans can be more cost‑effective for typical travelers, unless the user is an extremely heavy data consumer who might need a different purchasing model.