* The "as low as" figure is the lowest per-day rate, taken from the longest unlimited data plan on sale here.
Here's how Onetel stacks up against other options in French Guiana.
Prices shown in USD
7 days of unlimited data in French Guiana costs $49.98 — about $7.14 a day on Orange Caraïbe, Digicel Guyane or SFR Guyane, with no roaming charge and no SIM to swap. In French Guiana, 5G is live and median mobile download speed is 37.8 Mbps.
Choose your French Guiana eSIM by matching the allowance and validity period to your trip, then compare the selected product details with the local network, band and speed references already shown on this page.
Start with the length of your stay, then allow for navigation, messaging, streaming and work use. Each option below is a plan size that is currently available for this destination.
Best for: A short visit with maps, messages and occasional browsing.
This option pairs the 1 GB allowance with a stated validity period of 7 days.
Usage tip: Save maps before longer journeys and use Wi-Fi for large downloads.
Best for: A stay of around two weeks with regular navigation and messaging.
The 3 GB allowance remains available across a stated validity period of 15 days.
Usage tip: Keep automatic app updates and cloud backups on Wi-Fi.
Best for: A longer stay or more frequent streaming, video calls or work use.
The 10 GB or more / 30 days profile provides a larger data pool than the short-trip options on this page.
Usage tip: Compare the allowance with your normal phone usage and monitor it during the trip.
Your eSIM roams onto French Guiana's own operators. These are the networks and the frequencies they run — check your phone supports them before you travel.
Source: Ookla Speedtest Global Index, July 2025
Interior rainforest regions including much of the communes of Maripasoula, Camopi, and Saül have no mobile service. Orange and SFR 5G limited to Cayenne, Kourou, and Saint-Laurent-du-Maroni.
The French Guiana mobile network source is linked below as a public network reference. Check the places on your itinerary where the source offers local detail, then confirm the network information for the selected eSIM product. The operator table on this page provides the country-level reference, while the selected product details identify which network information applies to your plan.
Check your accommodation and the places you expect to visit in French Guiana. Indoor reception can differ from an outdoor map, so keep the property Wi-Fi details available as well.
Review the full route rather than checking only the arrival city. Save tickets, addresses and maps offline before longer road or rail journeys.
Check the selected product scope for every country on your itinerary. Your French Guiana plan and a regional plan may have different included destinations and validity periods.
Compare your phone with 4G bands B1, B3, B7, B20, B28 and 5G bands n78 in the existing French Guiana network table. Support for more of the listed bands gives the phone more options when connecting, while the selected product, location and local network conditions determine the service available.
Keep the QR code and installation instructions available offline, and complete each step according to the selected product's instructions.
When validity starts: Validity-start rules can differ by product. Check the selected plan details before installation and travel.
French Guiana offers a rare mix of South American wilderness and European infrastructure. From the Guiana Space Centre to the Amazon rainforest, from Creole markets to riverside villages, the territory rewards travellers who appreciate nature, culture, and space science. With French currency, language, and cuisine as a base, you can move from a space launch to a jungle hike in the same morning. The blend of cultures - African, Asian, European, and Amerindian - shows in the food, festivals, and daily life. Expect a slow pace and high humidity. Plan for flexibility: flights and boat schedules can change. English is not widely spoken outside the space centre and tourist offices, so basic French phrases help. Carry cash; cards work in Cayenne but not in remote areas.
French Guiana's main draws combine space technology with wild nature. Focus your time on these five places.
Whether you choose the space centre or the marshlands, book ahead. Many sites limit visitor numbers.
French Guianese cooking blends French, African, Caribbean, and Amerindian influences. Seafood and tropical vegetables are central. Here are five dishes to seek out.
Street food is safest in Cayenne and Kourou. In villages, eat only freshly cooked items.
French Guiana has two main seasons: a wet season from December to June and a drier season from July to November. The driest months are August, September, and October. These months offer the best conditions for hiking and visiting the Space Centre. February to April is the wettest period, but also the time of Carnival, when Cayenne fills with parades and music. May and June are transitional - still wet but with more sunny breaks. July and December are crowded with European tourists. January can be very rainy. However, wildlife viewing is often better in the wet season because animals gather near water. Year-round, expect heat between 25°C and 33°C and humidity above 80 per cent. Plan your trip around your priority: dry trails or wildlife.
French Guiana's climate demands lightweight, breathable clothing. Prepare for sudden downpours even in the dry season.
Pack a reusable water bottle and a small first-aid kit. Leave valuables at home; secure storage is limited.
The details worth knowing about your French Guiana eSIM
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