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Official Languages: French

French is the main language used in daily life. English is spoken in some hotels, tourist services, and larger restaurants, but it is not universal, so basic French phrases are very helpful.

Mobile Network: Mobile coverage is generally good in towns, coastal areas, and along main roads. Coverage can weaken or disappear in remote mountain zones, deep valleys, and some hiking areas.

Roaming/SIM/eSIM: If your home plan includes France or EU roaming, roaming is often the easiest option because Reunion is a French overseas department, but charges depend on your provider and country of issue. A local SIM can be better value for longer stays or heavy data use, especially if your roaming is limited. eSIM availability depends on your phone and provider; it is convenient if supported, but local physical SIM options may still offer better local pricing. For hikers, download offline maps because mountain coverage is not reliable.

Cards are widely accepted in hotels, restaurants, supermarkets, fuel stations, and many shops. Smaller guesthouses, markets, and some rural businesses may prefer cash or have minimum card amounts, so carrying some euros is sensible.

Service is typically included in restaurant prices under French practice, so tipping is not obligatory. It is common to round up the bill or leave a small extra amount for good service. For taxis, rounding up is usual. Hotel housekeeping or porters may receive a small tip, but this is discretionary rather than expected.

Plug Type: Type C and Type E

Voltage: 230 V, 50 Hz

Adapter: Visitors from most of continental Europe typically do not need an adapter. Travelers from the UK, Ireland, North America, and many other regions will usually need a plug adapter, and some devices may also need voltage compatibility.