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Official Languages: English

English is the official language and is widely spoken throughout the country.

Mobile Network: Mobile coverage is generally good in towns, around Basseterre, Charlestown, and along main roads, but service can be weaker in remote interior areas, some beaches, and during ferry crossings.

Roaming/SIM/eSIM: For short stays, roaming can be convenient but is often the most expensive option, so check your carrier rates before arrival. A local SIM is usually the most economical choice for longer stays if your phone is unlocked and you want local calling and data. An eSIM can be the easiest middle option for many travelers because it avoids shop visits, but availability and pricing vary by provider and device support. Hotel and cafe Wi-Fi is common in tourist areas, though speeds can vary.

Cards are commonly accepted at hotels, larger restaurants, supermarkets, and many tour operators, especially in tourist areas. Small shops, beach bars, taxis, ferries, and market vendors may prefer cash, so carrying some East Caribbean dollars is useful.

Tipping practices vary. Some hotels and restaurants add a service charge, often around 10 to 12 percent, so check the bill before adding more. If no service charge is included, a tip of around 10 percent is commonly appreciated for good service. Taxi drivers do not always expect a tip, but rounding up is a common courtesy. Porters, housekeeping staff, and guides commonly appreciate small tips.

Plug Type: Type A and Type B

Voltage: 230 V, 60 Hz

Adapter: Visitors from countries using Type A or Type B plugs may commonly not need a plug adapter, but they should still check voltage compatibility for their devices. Travelers from most of Europe and many other regions will typically need a plug adapter.