CoreESIM connectivity extends to Saona Island, though signal characteristics may vary. Expect robust 4G/LTE service around the primary embarkation points in Bayahíbe and near the more developed areas of the island. While traversing open water or reaching more secluded beaches, signal strength might fluctuate. Our primary carrier partner, typically Claro DR, offers the most extensive maritime coverage in the region, optimizing your chances of staying connected during your excursion.
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Will CoreESIM maintain signal during excursions to Saona Island?
Updated April 22, 2026
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