CoreESIM delivers strong signal coverage at both the Basseterre port in St. Kitts and the Charlestown port in Nevis. During the 45-minute transit through "The Narrows" channel, users may experience brief periods of reduced signal or temporary disconnection due to the open water environment. Full connectivity typically resumes as the ferry approaches either island's coastline.
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How does CoreESIM perform during the ferry crossing between St. Kitts and Nevis?
Updated April 22, 2026
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