This particular WestESIM plan is designed for use solely within Dominica. For travelers planning to island-hop, it's crucial to understand that Martinique and Guadeloupe are French overseas departments and thus part of the EU, while Dominica is an independent nation. Your WestESIM connectivity will cease once your ferry departs Dominican territorial waters and enters the French/EU maritime zone. For uninterrupted service across multiple islands, please explore our regional or multi-country eSIM options.
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Is this WestESIM valid on ferries to <strong>Martinique</strong> or <strong>Guadeloupe</strong>?
Updated April 22, 2026
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