abesteSIM does not offer an unlimited data eSIM for Monaco. All abesteSIM plans available for that destination have a fixed data cap, such as 500GB for 90 days, 200GB for 30 days, 100GB for 30 days, 50GB for 30 days or 20GB for 30 days. Travelers who need a large quantity of data can choose a fixed data plan, which can be more cost‑effective for most users unless they are extremely heavy data consumers.