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Official Languages: English

English is the official language and is widely used. Dominican Creole French is also commonly spoken in daily life.

Mobile Network: Mobile coverage is generally good in towns and along main roads, but it can be weaker or inconsistent in mountainous interior areas, remote valleys, and some coastal stretches. Speeds are usually adequate for everyday use, though remote nature areas may have limited service.

Roaming/SIM/eSIM: For short stays, roaming can be convenient if your home plan has reasonable Caribbean rates, but it may be expensive otherwise. A local SIM is usually the best value for longer stays if your phone is unlocked and you want reliable local calls and data. eSIM can be the easiest option before arrival if your device supports it, but check coverage and pricing carefully because local physical SIM plans may still offer better value. If you plan to hike or stay in rural eco-lodges, download offline maps in advance because mobile data may drop in the interior.

Cards are accepted at many hotels, larger restaurants, supermarkets, and tour operators, especially in Roseau and main visitor areas. Cash is still important for small shops, roadside vendors, rural areas, local transport, and some guesthouses, so carrying some East Caribbean dollars is practical.

Tipping is appreciated but not always automatic. Some hotels and restaurants may add a service charge, so check the bill first. If service is not included, around 10 percent is commonly reasonable in restaurants for good service. Small tips for taxi drivers, hotel staff, and guides are appreciated, especially for helpful or extended service.

Plug Type: Type D and Type G are commonly used

Voltage: 230 V, 50 Hz

Adapter: Often yes, depending on your home country and device plugs. Travelers from North America usually need a plug adapter and should check voltage compatibility. Many modern chargers support 100 to 240 V, but verify before use.