Compare eSIMs for Oceania 2026

Australia is the main hub for Oceania eSIMs, with New Zealand and Guam accounting for much of the remaining availability; the region’s huge distances and scattered islands make smaller markets harder to serve. An itinerary centred on those larger markets is usually straightforward, but adding Fiji, for example, deserves a country-by-country check because availability can be much thinner. If most of the trip is in Australia, compare a single-country plan first: the regional option is mainly buying flexibility for the other stops.