Yes, for most of the journey. The Cat Cocos ferry route stays relatively close to the islands. You will have a strong signal when departing Mahé and approaching Praslin, and the signal is often stable for the majority of the 60-90 minute trip, allowing you to message or browse (though streaming may buffer in the open water).
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Will I have a signal on the 'Cat Cocos' ferry (Mahé to Praslin)?
Updated April 22, 2026
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