Whether French Guiana needs a travel eSIM at all depends on the country that issued your phone contract, because this stretch of the South American coast is legally inside the European Union. It is one of the EU's outermost regions, and the BEREC guidelines on the current roaming regulation say in so many words that the rules cover communications made and received within the Union including those regions. A line from Paris, Brussels, Berlin or Rome therefore behaves in Cayenne exactly as it would in Lisbon, fair-use allowance and all, and French law has barred surcharges on calls and texts between the mainland and the overseas departments since May 2016. For those visitors, a local eSIM is at most a way around a capped roaming allowance. Arrive on a contract from the United States, Canada, the United Kingdom, Brazil or Suriname and the logic reverses, and the good news is that the eSIMs sold here are fairly priced by regional standards. Nomad sells 10 GB for a month at 19 dollars across two host networks, Airalo is cheaper on the small sizes at 13 dollars for 5 GB over thirty days, and Holafly sells unlimited days from 11.90 dollars. A launch week in Kourou and a slow trip up the Maroni need very different sizes, and the eSIM Finder will work that out for your dates.
Quick Pick: the Best eSIM for French Guiana
Nomad (French Guiana 10 GB / 30 days): The only plan here that can hop between Digicel and SFR Caraibe, at 19 dollars for a month against Airalo's 22 on Digicel alone, with hotspot use allowed for a shared rental car to Kourou.
Our picks
Best overall: Nomad. Lowest per GB: Airalo. Unlimited: Holafly. Or use the eSIM Finder.
French Guiana eSIM Plans Compared
Indicative pricing. Tap through for live rates.
| Provider | Plan | Data | Duration | Price | Network |
|---|---|---|---|---|---|
| Airalo | French Guiana 1GB | 1 GB | 3 days | $4 | Digicel |
| Airalo | French Guiana 3GB | 3 GB | 7 days | $9 | Digicel |
| Airalo | French Guiana 5GB | 5 GB | 30 days | $13 | Digicel |
| Airalo | French Guiana 10GB | 10 GB | 30 days | $22 | Digicel |
| Airalo | French Guiana 20GB | 20 GB | 30 days | $36 | Digicel |
| Airalo | French Guiana 50GB | 50 GB | 30 days | $59 | Digicel |
| Nomad | French Guiana 1GB | 1 GB | 7 days | $4.50 | Digicel / SFR Caraibe |
| Nomad | French Guiana 3GB | 3 GB | 30 days | $10 | Digicel / SFR Caraibe |
| Nomad | French Guiana 5GB | 5 GB | 30 days | $15 | Digicel / SFR Caraibe |
| Nomad | French Guiana 10GB | 10 GB | 30 days | $19 | Digicel / SFR Caraibe |
| Nomad | French Guiana 20GB | 20 GB | 45 days | $29 | Digicel / SFR Caraibe |
| Holafly | Unlimited 3-day | Unlimited | 3 days | $11.90 | Digicel |
| Holafly | Unlimited 5-day | Unlimited | 5 days | $20.50 | Digicel |
| Holafly | Unlimited 7-day | Unlimited | 7 days | $27.50 | Digicel |
| Holafly | Unlimited 10-day | Unlimited | 10 days | $36.50 | Digicel |
| Holafly | Unlimited 15-day | Unlimited | 15 days | $50.50 | Digicel |
| Holafly | Unlimited 30-day | Unlimited | 30 days | $73.90 | Digicel |
Airalo French Guiana Plans
Airalo: Kawcom on Digicel, and the Lowest Prices at the Small End
Eighteen French Guiana packages, from a 4 dollar starter to 50 GB and day-based unlimited
Airalo sells French Guiana under the Kawcom label, a data-only 4G product that the listing states operates on the Digicel network, and its shelf is the deepest of the three. The fixed-data ladder starts at 4 dollars for 1 GB over three days and climbs through 3 GB for seven days at 9 dollars, 5 GB for thirty days at 13, 10 GB for thirty days at 22, 20 GB at 36 and a large 50 GB month at 59. The detail worth noticing is how little validity costs here. Five gigabytes is 12 dollars for a week, 12.50 for fifteen days and 13 for thirty, so there is almost never a reason to buy the shorter version of any size.
The unlimited line runs 11.50 dollars for three days, 19.50 for five, 27 for seven, 35 for ten, 49 for fifteen and 72.50 for thirty. Each gives 3 GB a day at full speed and then drops to 1 Mbps until the day resets, which still plays a standard-definition stream and uploads photos slowly. That makes it a sensible choice for a launch week in Kourou when you expect to send a lot of video, and poor value for a quiet fortnight in Cayenne where 5 GB would do.
The limit is the network. Digicel's grid is shared with Free Caraibe through Madiacom and is strong along the coast, but Airalo gives you no second network to fall back on, and it does not include Orange, the operator that has pushed furthest up the Maroni.
Strengths
Weaknesses
Holafly French Guiana Plans
Holafly: Unlimited on Digicel, Priced Almost Exactly Like Airalo's
Six unlimited French Guiana plans from three days to a month
Holafly's French Guiana plans are all unlimited and all run on Digicel's Antilles and Guiana network. The ladder is 11.90 dollars for three days, 20.50 for five, 27.50 for seven, 36.50 for ten, 50.50 for fifteen and 73.90 for thirty. That is a gentle curve by Holafly's standards, and in this territory it is not an outlier on price. Airalo's unlimited line costs 11.50, 19.50, 27, 35, 49 and 72.50 for the same six lengths, so the two sit within a couple of dollars of each other at every step.
With price neutralised, the choice between them turns on terms. Airalo states its throttle openly: full speed for 3 GB a day, then 1 Mbps. Holafly's appeal is simplicity and a support team used to fixing activation problems, and its hotspot is capped at a shared allowance that scales with the length of the plan, so check how much you can tether before planning to run a laptop from it. Both ride Digicel alone, so coverage is identical.
Where Holafly makes no sense is the longer, lighter trip. Thirty days at 73.90 dollars is almost four times Nomad's 10 GB month, and most visitors outside launch week will never burn through ten gigabytes on a coast with good hotel and cafe WiFi.
Strengths
Weaknesses
Nomad French Guiana Plans
Nomad: Two Host Networks for the Price of One
Five French Guiana plans that can switch between Digicel and SFR Caraibe
Nomad's French Guiana range is short and competitively priced: 4.50 dollars for 1 GB over a week, 10 dollars for 3 GB over a month, 15 for 5 GB, 19 for 10 GB, and 29 for 20 GB with an unusually long forty-five day window. It is not the cheapest at every size. Airalo beats it by two dollars on a 5 GB month. From 10 GB upward the order flips, with Nomad three dollars cheaper at 10 GB and seven dollars cheaper at 20 GB while also giving you fifteen extra days.
The real reason it is our pick is the network list. Every Nomad plan here names both Digicel and SFR Caraibe, and the eSIM moves to whichever is stronger. Those are two separately built grids, so when Digicel is thin on a stretch of the coast road or at the edge of Saint-Laurent, SFR has an independent chance of holding a signal. Neither of the other two providers gives you that. The forty-five day validity on 20 GB also suits the long assignments that bring many people here, from space centre contractors to researchers on six-week field seasons.
Two cautions. The product page talks up 4G and 5G, yet both host networks are tagged 4G only in Nomad's own plan data, so expect 4G. And like everyone else here, Nomad cannot put you on Orange, which is the network that reaches furthest into the interior.
Strengths
Weaknesses
Mobile Networks in French Guiana
Four brands sell mobile service in French Guiana, but only three physical grids stand behind them, and the reason is a deal struck in June 2020. Orange Caraibe is the historic operator and the one with the widest reach into the interior communes. By April 2025 it counted 203 live 4G sites across the territory and 30 technically operational 5G sites, with 5G confined to Cayenne, Remire-Montjoly, Matoury, Macouria, Kourou and Saint-Laurent-du-Maroni. It has also carried 4G to river and forest settlements such as Maripasoula, Grand-Santi, Camopi and Kaw, places that had only 2G before. SFR Caraibe runs its own network with solid coastal coverage. Digicel entered the French Antilles and Guiana as the challenger, and in 2020 it signed a RAN-sharing agreement with Iliad and moved its mobile network into a joint company called Madiacom. Free Caraibe, Iliad's regional brand, launched on 17 May 2022 on top of that shared grid, which means a Free phone and a Digicel phone in Cayenne are talking to the same masts.
The land itself explains the coverage numbers. French Guiana is roughly the size of Portugal, almost all of it rainforest, and nearly everyone lives on a thin coastal band between Saint-Laurent on the Maroni in the west and Saint-Georges on the Oyapock in the east. Free Caraibe's shared grid was recorded at 87.3 percent population coverage in the territory in 2023 against just 2.6 percent of the land area, and that pair of figures is the most honest description of mobile service here: close to complete along the coast, close to nothing a few kilometres inland.
For eSIM buyers the key fact is who is missing. No travel eSIM sold for this territory rides Orange. Airalo and Holafly both terminate on Digicel only, and Nomad offers Digicel plus SFR Caraibe, switching between them. On the coast, in Kourou and in central Saint-Laurent, that gap costs you nothing. Upriver, where Orange is often the only operator that bothered to build, it can be the difference between a message getting out and not.
Outermost region, not overseas territory, and why that matters for your bill
EU law splits France's overseas possessions into two groups. Outermost regions such as French Guiana, Guadeloupe, Martinique, Reunion, Mayotte and Saint-Martin are part of the Union under Article 355(1) of the Treaty on the Functioning of the EU, so the roaming regulation applies to them. Overseas countries and territories such as French Polynesia, New Caledonia and Saint-Barthelemy sit outside it, and a European SIM pays full roaming there. The practical upshot for a German, Italian or Dutch visitor is that home-rate roaming should work in Cayenne under the same fair-use rules as in Madrid. Before you rely on it, open your operator's own zone list and confirm French Guiana is named, because billing systems are built by people and outermost regions are an easy entry to forget. British contracts are a separate matter: the UK left the regulation with Brexit, so whatever a UK operator's Europe add-on covers is a commercial choice, not a legal right.
Coverage Across French Guiana
Coverage where travelers actually go:
| Area | Coverage | Notes |
|---|---|---|
| Cayenne and Remire-Montjoly | Excellent | Dense 4G on every network, with Orange 5G live across the capital, Remire-Montjoly and out to Matoury near the airport. |
| Kourou and the Guiana Space Centre | Good | Reliable in town and along the beaches at Pim Poum and the Cocoteraie. Orange lists Kourou among its six 5G communes. |
| Saint-Laurent-du-Maroni | Good | Dependable 4G downtown around the Camp de la Transportation. Signal fades quickly once pirogues head upriver past the town. |
| Iles du Salut | Poor | Temperamental on Ile Royale, with card payments at the inn not guaranteed for the same reason. Treat it as an offline day. |
| Maroni river: Apatou to Maripasoula | Variable | Orange has brought 4G to Grand-Santi and Maripasoula, but the river between settlements is a dead zone on every network. |
| Kaw marshes and Cacao | Poor | Orange reaches Kaw village, yet signal disappears once you are out on the water, and forest trails near Cacao go silent. |
| Saul and the Nouragues reserve | None to minimal | Reachable only by light aircraft or long expedition. Plan on no mobile data at all and carry satellite messaging for safety. |
| Awala-Yalimapo | Variable | The turtle-nesting beaches in the far west get limited, unstable service. Download tide and nesting information before you drive out. |
How to Choose the Right Plan
Start with the contract in your pocket. If it was issued in an EU or EEA country, try your own SIM first: French Guiana is inside the roaming regulation, so your normal allowance applies, and French mainland plans typically bundle a set monthly volume for use in the overseas departments on top of surcharge-free calls and texts. Buy an eSIM only if that allowance is too small for the trip. If your contract is American, Canadian, British, Brazilian or Surinamese, an eSIM is the sensible default. For a week on the coast with a day in Kourou, Airalo's 5 GB over thirty days at 13 dollars is the cheapest sound choice. For two weeks or more, or a route that reaches Saint-Laurent and the far west, Nomad's 10 GB month at 19 dollars adds SFR Caraibe as a second network for less than Airalo charges on one. If the trip is built around a launch and you plan to upload a lot of footage, buy unlimited days from Airalo or Holafly for the few days that matter, which cost almost the same. Anyone spending serious time up the Maroni, at Saul or in the Kaw marshes should add a local Orange Caraibe line bought in Cayenne, because none of the eSIMs uses Orange, and should carry satellite messaging wherever the forest closes in.
Frequently Asked Questions
My SIM is from Spain. Do I pay roaming charges in French Guiana?
You should not. French Guiana is an outermost region of the EU, and the BEREC guidelines on Regulation 2022/612 state that the roaming rules apply within the Union including outermost regions, so a Spanish, German or Belgian line gets the same roam-like-at-home treatment it would in mainland France, subject to your operator's normal fair-use limits. The one sensible check is to find French Guiana named in your operator's EU zone list before you fly, since an omission in a billing table is easier to fix from home than from Cayenne.
Why do none of the eSIMs here use Orange?
None of the three providers this site tracks lists Orange as a host network for French Guiana, and we could not find one that does. Airalo and Holafly both connect through Digicel, and Nomad connects through Digicel and SFR Caraibe. On the coast that makes little practical difference. It matters on the rivers and in the interior communes, where Orange has been the operator extending 4G to places like Maripasoula, Camopi and Grand-Santi. If a long stay in the interior is the core of your trip, a local Orange Caraibe line bought in Cayenne is the better tool.
Can I stream or post a launch from the viewing sites near Kourou?
Plan as if you cannot. Kourou itself is well served, and Orange lists it among its 5G communes, but the official Carapa and Ibis sites sit 15 to 18 kilometres from the launch pads inside space centre land, and we could not find reliable reports of signal quality there on launch nights. Carapa opens two hours before lift-off, so film locally and upload once you are back in town. The free beach viewpoints at Pim Poum and the Cocoteraie are inside Kourou's own coverage and a safer bet if posting live matters to you.
How much does a week on the coast actually cost with each provider?
For a normal week of maps, messaging and photos, Airalo's 3 GB for seven days at 9 dollars is the cheapest verified option, and its 5 GB over thirty days at 13 dollars is the better buy if you might stay longer. Nomad's 5 GB month is 15 dollars but spreads across two networks. If you expect to upload launch video or work remotely, Airalo's seven unlimited days cost 27 dollars and Holafly's 27.50, a gap small enough that the choice comes down to Airalo's 1 Mbps slowdown after 3 GB a day versus Holafly's plan terms.
Will my phone work in Saul or Maripasoula?
Maripasoula has Orange 4G in the settlement, so a local Orange line has a real chance there, while a Digicel-based eSIM may or may not find a usable signal. Saul should be treated as offline. Both are reached by light aircraft from Cayenne, operated since November 2023 by Guyane Express Fly and other successors to the liquidated Air Guyane, or by days of travel by pirogue. Neither journey has coverage along the way, so anyone heading deep into the forest should carry a satellite messenger rather than trusting any SIM.
Is a local SIM cheaper than an eSIM in French Guiana?
Not by much, which is unusual in this part of the world. Orange Caraibe's 15 euro internet recharge gives 10 GB for thirty days, but you still need a starter SIM, reported by travellers at roughly 10 to 25 euros, and an identity document to activate it. Nomad sells the same 10 GB month for 19 dollars, about 16 euros. The genuinely cheap local deal, Free Caraibe's 150 GB at 9.99 euros a month, is restricted to residents or people with a stable link to the region. Our French Guiana SIM card guide sets out every option.