EastESIM offers excellent connectivity at major departure points like Rassada Pier in Phuket and upon arrival at Tonsai Pier on Koh Phi Phi Don. During the open-water segments of the ferry journey, especially when further from the mainland or larger islands, you might experience brief fluctuations or drops in signal. However, our strong partnerships with Thai carriers mean you'll generally have a stable connection for most of the scenic crossing, perfect for planning your island adventures.
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Does EastESIM work on the ferry between Phuket and the Phi Phi Islands in Thailand?
Updated April 22, 2026
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