Will I have signal during a boat trip on Halong Bay with EastESIM?

You'll generally find reliable signal in the main tourist areas and closer to the port cities like Ha Long City or Cat Ba Island. As your boat ventures deeper into the iconic limestone karsts of Ha Long Bay, especially in more secluded coves or far from the mainland, the connection might become intermittent or drop. However, EastESIM partners with Vietnam's leading carriers, like Viettel and Mobifone, to maximize your chances of connectivity even in these stunning, more remote parts of the bay. Enjoy the views, and connect when possible!