Technical Info: Connectivity and Power in Mauritius: what actually matters to know
Short answer
Travelers can purchase local SIM cards with unlimited data or economical travel tariffs directly at Mauritius Airport. Ensure you bring a Type G power adapter and carry only the latest issue USD banknotes with a blue security strip for better exchange rates at providers like Shibani Exchange.
From real experience
At Mauritius Airport, travelers can purchase SIM cards, including eSIMs.
An unlimited data plan is available for approximately 1500 Mauritian Rupees. A more economical 'Travel' tariff, offering internet access, is available for around 700 Rupees and can last for about 10 days, sufficient for navigation and general use.
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Electrical sockets in Mauritius are Type G (three rectangular pins in a triangle pattern), same as in the UK.
Travelers should bring a universal adapter or a Type G adapter if their devices use different plug types (e.g., European Type C or Dubai Type D).
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Mobile data in Mauritius: Local SIM cards (physical) purchased at the airport provide larger data packages (up to 200GB) at a lower cost compared to international eSIM providers.
International eSIM options are available but significantly more expensive for smaller data amounts.
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Airport currency exchange kiosks are available but rates are generally lower than in city centers.
Recommended local service: Shibani Exchange. Note: USD banknotes must be the latest issue (with blue security strip) to be accepted.