AdventureSIMs eSIM Data Plans for Guam

AdventureSIMs does not provide an unlimited data eSIM for Guam. All of the Guam‑specific plans listed by AdventureSIMs are fixed data plans with a hard cap, such as the 20GB 30‑day plan or the 10GB 30‑day plan.

For travelers who need a large amount of data but do not require an unlimited allowance, these fixed data plans can be more cost‑effective. AdventureSIMs also offers smaller bundles, such as 5GB, 3GB, and 1GB for 30‑day or 7‑day validity, giving users a range of options to match their data needs.

AdventureSIMs does not offer a Guam eSIM plan that includes a phone number or SMS capability. Travelers can only purchase data‑only plans for Guam from this provider. For voice and messaging, users can rely on standard VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection, but it is advisable to check whether these apps are accessible in Guam before purchasing, as some destinations may block or restrict specific services.

AdventureSIMs currently offers five multi‑country data plans that include Guam; there are no single‑country plans for the territory. The available plans range in price from about $9.80 to $86.16, with data caps between 1 GB and 20 GB and validity periods of 7 to 30 days. Multi‑country plans give the data allowance for use in several destinations besides Guam, whereas a single‑country plan would restrict usage solely to Guam—a type that is not presently offered. Tethering is allowed on several of the plans.