Is data necessary for driving adventures across Tongatapu, Tonga, with eSIMAdventures?

Indeed, for an independent driving adventure across Tongatapu, having active data from eSIMAdventures is incredibly helpful. While the island is small, some roads are less marked, and points of interest like the ancient Ha'amonga 'a Maui Trilithon or the stunning Anahulu Cave can be tricky to locate without a reliable map app. Data ensures you stay on track, allowing you to discover every hidden gem without a hitch and focus on the journey.