esimzon does not offer an unlimited‑data eSIM for Barbados. All of the plans listed for that destination have a hard data cap, such as the Barbados 15GB 30Days plan, the Barbados 10GB 30Days plan, or the Caribbean 30GB 30Days plan that covers Barbados and nearby islands.
Travelers who need a large amount of data can choose one of these fixed data plans. For example, the Barbados 15GB 30Days plan provides 15 GB of high‑speed data for 30 days at a price that is competitive for most users, while the Caribbean 30GB 30Days plan offers 30 GB for 30 days and covers Barbados plus nine other countries. Fixed data plans are usually more cost‑effective unless a traveler is an extremely heavy data user.