Embarking on the ferry between Antigua and Barbuda is a quintessential Caribbean experience. While your eSIMFlyer will provide strong signal coverage as you depart from St. John's and approach Barbuda, expect some intermittent drops in connectivity during the open-ocean portion of the journey. This is typical for any mobile network when far from land-based towers. Use this opportunity to unplug and enjoy the stunning sea views, knowing you'll reconnect as you near your destination.
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Will my eSIMFlyer signal hold up on the Antigua-Barbuda ferry?
Updated April 22, 2026
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