🇲🇫 eSIM plans for Saint Martin (French part)

Starting at $9.11/day*
  • No data caps
  • 7-days valid
  • Fast, reliable connection
  • Skip the roaming bill
  • QR code emailed instantly
Get your unlimited data
How many days
More days, lower daily rate
7
How many eSIMs
More eSIMs, bigger discount
1
Install it now or once you're away. Nothing starts counting until you reach your destination and switch the eSIM on.

* The "as low as" figure is the lowest per-day rate, taken from the longest unlimited data plan on sale here.

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Here's how Onetel stacks up against other options in Saint Martin (French part).

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Caribbean eSIM

Cover the Region with Caribbean eSIM

Cover Saint Martin (French part) and every neighboring country on one regional eSIM — no SIM swaps, no extra fees. Starting at $3.38.

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eSIM costs for Saint Martin (French part)

Prices shown in USD

7 days of unlimited data in Saint Martin (French part) costs $64.64 — about $9.23 a day on Dauphin Telecom or Orange Caraïbes, with no roaming charge and no SIM to swap.

Duration Price Daily cost
1 day $10.22 $10.22/day
3 days $28.36 $9.45/day
5 days $46.48 $9.30/day
7 days $64.64 $9.23/day
10 days $91.82 $9.18/day
15 days $137.18 $9.15/day
30 days $273.20 $9.11/day
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Which Saint Martin (French part) eSIM plan fits your trip?

Choose your Saint Martin (French part) 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.

Short trip

1 GB / 7 days

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.

Two-week trip

2 GB / 15 days

Best for: A stay of around two weeks with regular navigation and messaging.

The 2 GB allowance remains available across a stated validity period of 15 days.

Usage tip: Keep automatic app updates and cloud backups on Wi-Fi.

Longer or higher use

10 GB or more / 30 days

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.

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Which networks you connect to in Saint Martin (French part)

Your eSIM roams onto Saint Martin (French part)'s own operators. These are the networks and the frequencies they run — check your phone supports them before you travel.

Operator 4G / LTE bands 5G bands 5G
Dauphin Telecom B1, B3, B20 — No
Orange Caraïbes B1, B3, B7, B20 — No

Coverage in Saint Martin (French part)

Saint Martin (French part) is a small island territory; coverage is generally limited to populated coastal areas with mountainous interior having reduced or no service. 3G (UMTS B1) remains active on all networks.

How to check mobile coverage in Saint Martin (French part)

The Saint Martin (French part) 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.

Accommodation and daily stops

Check your accommodation and the places you expect to visit in Saint Martin (French part). Indoor reception can differ from an outdoor map, so keep the property Wi-Fi details available as well.

Journeys between stops

Review the full route rather than checking only the arrival city. Save tickets, addresses and maps offline before longer road or rail journeys.

Borders and onward travel

Check the selected product scope for every country on your itinerary. Your Saint Martin (French part) plan and a regional plan may have different included destinations and validity periods.

Phone compatibility in Saint Martin (French part)

Compare your phone with 4G bands B1, B3, B7, B20 in the existing Saint Martin (French part) 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.

Set up the Saint Martin (French part) eSIM for your trip

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.

  1. Confirm that your phone is unlocked and supports eSIM before purchase.
  2. Save the QR code or manual installation details somewhere you can reach without mobile data.
  3. Use reliable Wi-Fi to install the profile at the time recommended in the product instructions.
  4. When you are ready to use it, select the travel eSIM for cellular data and apply the stated roaming and APN settings.
  5. Keep roaming disabled on your home line if you want to avoid using its travel data.
Network and coverage sources, checked 2026-10-10
Saint Martin (French part) travel guide

How to Enjoy Saint Martin's French Side

Saint Martin's French side combines Caribbean warmth with European style. Start your mornings in Marigot, the capital, where the waterfront market sells fresh produce and spices. Pick up a baguette and cheese for a simple picnic by the marina.

Orient Bay offers a long stretch of white sand with calm turquoise water. Arrive early to claim a spot under an umbrella. The beach clubs here serve lunch and cold drinks, but you can also bring your own cooler. From the beach you can see the nearby islet of Tintamarre, a protected nature reserve.

Evenings in Grand Case are low-key and excellent for food. The village is known for its row of seaside restaurants. After dinner, walk along the beach with no lights except the moon. Stay in a small guesthouse or villa rather than a large resort to get a more local feel.

Top Attractions on the French Side

Your time is limited, so focus on a few standout places.

  • Marigot Harbor - Watch fishing boats and yachts come and go. The nearby Fort Louis ruins offer a short climb with a view across the bay.
  • Orient Bay - The best wide beach for swimming and sunbathing. Water sports are available, but the main draw is the gentle surf and soft sand.
  • Loterie Farm - A former plantation turned nature reserve. Hike through dry forest trails and then relax at the café with a fresh juice.
  • Pigeon Pea Peak - The highest point on the island. The trail is steep and rocky, so wear sturdy shoes. The reward is a 360-degree view of both the French and Dutch sides.
  • Grand Case Beach - A quiet alternative to Orient Bay. Shallow water makes it good for families. Snorkel along the rocky edges for small fish and coral.

Whether you choose to hike, swim, or simply sit with a drink, the French side rewards those who move slowly.

Local Foods Worth Trying

Saint Martin's French side blends French technique with Caribbean ingredients. These dishes stand out.

  • Accras - Crispy salt-cod fritters served with a spicy dipping sauce. Look for them at roadside stalls or as a starter in Grand Case restaurants.
  • Langoustine Grillée - Grilled local langoustine, often served with garlic butter and rice. The meat is sweet and tender.
  • Callaloo Soup - A thick, earthy soup made from dasheen leaves, okra, and crab or salted meat. It is a Caribbean staple with a French-style finish.
  • Salade Niçoise - The French classic appears on many menus, but here it includes fresh local tuna and just-picked greens. A light option for lunch.
  • Soufflé de Christophine - A baked soufflé made from chayote squash, often served with a creamy sauce. This French-Caribbean specialty is rich and satisfying.

Eat at small family-run spots in Grand Case or Marigot for the most authentic versions. Reservations are wise for dinner in high season.

Best Time to Visit

Saint Martin has a tropical climate with two main seasons. The dry season runs from December through April. This period brings steady sunshine, lower humidity, and cooler nights. It is also the busiest time, with higher prices and more visitors from North America and Europe.

The wet season lasts from May to November. Afternoon showers are common but usually brief. The landscape stays green, and crowds thin out. Hurricane season officially runs from June through November. The risk of a direct hit is low, but travellers should monitor forecasts and consider travel insurance during these months.

Despite the rain, the wet season can be a good choice for budget-conscious travellers. Many hotels and flights cost less. The water stays warm year-round, so swimming is always comfortable. If you want calm seas and clear skies, aim for December or January. If you prefer quiet beaches and lower rates, try May or June.

What to Pack

Pack light and smart for Saint Martin. The climate is warm and humid, with occasional rain.

  • High-SPF Sunscreen - The Caribbean sun is intense. Bring reef-safe sunscreen to protect both your skin and the marine life.
  • Lightweight, Breathable Clothing - Cotton and linen work best. Long sleeves and pants help against mosquitoes at dusk.
  • Beach Cover-Up and Hat - Useful for walking from the water to a café or shop. A wide-brim hat gives better shade than a cap.
  • Water Shoes - Essential for walking on rocky beaches or snorkelling over coral. Flip-flops are fine for sand, but water shoes protect your feet.
  • Casual Evening Attire - Restaurants in Grand Case and Marigot are relaxed but expect smart casual. A sundress or collared shirt works well.
  • Your uPhone eSIM - Essential for staying connected without roaming fees. Activate it before you arrive so you have data from the moment you land.

Packing these items will let you move from beach to dinner without extra luggage. Leave bulky items at home.

Common Questions

The details worth knowing about your Saint Martin (French part) eSIM

It connects to Dauphin Telecom (4G B1, B3, B20) and Orange Caraïbes (4G B1, B3, B7, B20). Coverage is limited to populated coastal areas; mountainous interior has reduced or no service. 3G (UMTS B1) remains active on both networks as a fallback.

Band 20 is used by both Dauphin and Orange for 4G coverage, especially in valleys and indoors. Phones from regions like the US or Asia that omit band 20 may see weaker signal or drop to 3G in those areas. Always check your phone’s band support.

No. The eSIM works only in the French territory of Saint Martin. It will not connect in the Dutch side (Sint Maarten) or neighbouring Anguilla. Service stops at the border and you would need a separate eSIM for those areas.

There are no known blocks or throttling beyond standard operator traffic management. VPNs, video streaming, and VoIP should work normally. However, speeds depend on network congestion and local signal conditions in populated coastal areas.

Visitors are often surprised that coverage in the mountainous interior is very poor or nonexistent even though the island is small. Service is reliable only in coastal towns and along main roads. Plan to download maps and messages before heading inland.

Compare 1 GB / 7 days, 2 GB / 15 days and 10 GB or more / 30 days. Use the shorter profiles for lighter maps and messaging use, then compare the larger allowance for streaming, video calls or work apps.

The start rule is product-specific. Review the selected plan details before installing it so you know whether any action is required before arrival.

Save the QR code, manual installation details, APN guidance and the support instructions supplied with the selected plan.
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