Yes, eSIMAdventures generally provides good 4G coverage near the main town of Ambodifotatra and around the resorts on Île Sainte-Marie. This is perfect for uploading thrilling videos of humpback whales breaching during the peak season (July to September). Share your incredible marine encounters instantly with friends and family, capturing every splash and tail flip from this unique island paradise.
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Will eSIMAdventures provide signal for sharing whale watching moments on Île Sainte-Marie?
Updated April 22, 2026
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