While cruising from Christiansted towards Buck Island, you'll generally maintain a good signal. However, once you're in the water, especially when snorkeling over the reef itself, expect connectivity to be limited or non-existent. Our eSIMFlyer plans are designed for on-land and near-shore connectivity, so enjoy the underwater beauty without the distraction of notifications!
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Will my eSIMFlyer plan connect at Buck Island Reef National Monument in the USVI?
Updated April 22, 2026
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