Does the eSIM work on both the French and the Dutch side of the island?

Yes. Operators such as Orange and Digicel cover the entire island regardless of the administrative division. Going from Marigot to Philipsburg you will not notice any signal interruption: the eSIM automatically handles the available network on both sides with no additional costs linked to crossing jurisdictions.

Can I also use the eSIM during boat excursions to Saint Barthélemy or Anguilla?

In open sea the signal depends on the distance from the coast and on weather conditions. Near the shore of Saint Martin, 4G/LTE is generally stable. Once you arrive in Saint Barthélemy or Anguilla, your eSIM might attach to different local operators — check before departure whether your Datiovunque plan includes roaming coverage on these nearby islands.

Do I need a power adapter to charge my phone in Saint Martin?

No. The French side of Saint Martin uses Type C/E sockets, identical to Italian ones, with a voltage of 220V. You can charge your devices directly without any adapter, both in hotels and in restaurants on the French side of the island.

What is the time difference between Rome and Saint Martin?

Saint Martin is on UTC-4, so in summer (when Italy is on UTC+2) it is 6 hours behind Rome. In winter (with Italy on UTC+1) it is 5 hours behind Rome. Useful to keep in mind for calling home or coordinating with those who stayed in Italy.

What happens if I run out of data during my stay in Saint Martin?

With Datiovunque you can top up or buy a new package directly from the app or the website, with no need to go to a local shop. An internet connection — even the hotel Wi-Fi — is enough to renew the plan in a few seconds and start browsing again.

How much does an eSIM for Saint Martin cost?

eSIM plans for Saint Martin start from €3.95. You pay once for the amount of data you choose — no subscription, no monthly fees and no hidden roaming charges. Plans with more data or longer validity cost more.

Is an eSIM or roaming better in Saint Martin?

A local eSIM in Saint Martin is almost always much cheaper than the roaming of your Italian operator. In the European Union roaming is often already included ("Roam Like at Home"), but outside the EU the costs can be very high — with an eSIM you know the price in advance and pay only for the data plan you need.

Which operator or network does the eSIM use in Saint Martin?

The eSIM in Saint Martin connects automatically to local networks such as Orange, Digicel, Orange Caraïbe, Dauphin Telecom — on 4G/LTE and, where available, 5G. Coverage reaches about 90% in inhabited areas. Your phone picks the best available network by itself.

Can I keep my Italian number with the eSIM in Saint Martin?

Yes. Your Italian SIM and number stay active — the travel eSIM works alongside it as a data-only line. You stay reachable on WhatsApp, iMessage or Wi-Fi while you use the local network to browse. Traditional calls and SMS still go through your Italian number.

Should I activate the eSIM before or after I leave?

Install the eSIM at home, on Wi-Fi, before you leave. The data plan then activates automatically when you connect in Saint Martin. That way you are online as soon as you arrive, without looking for airport Wi-Fi or buying a local SIM.

Can I top up or renew the plan for Saint Martin?

Yes. When the data runs out or the validity expires, just buy a new plan — the eSIM profile already installed is kept and does not need to be installed again. You stay connected without interruption.

Can I share the connection (hotspot) in Saint Martin?

Yes. You can share the connection in Saint Martin through a personal hotspot with a computer, tablet or other devices. Shared data is deducted from your plan, so allow a few extra gigabytes if you expect to use the hotspot often.

eSIM plans for Saint Martin

Instant delivery

Your eSIM for Saint Martin is available from €3.95 and active straight away: in Saint Martin it connects to the Orange, Digicel, Orange Caraïbe, Dauphin Telecom networks (4G/LTE, 5G where available), coverage 90%. Install it by QR code before you leave — no roaming and no SIM swap.

Your selection

Select a plan

Payment methods

Instant email delivery
30-day returns
Support in Italian
Visa · Mastercard · PayPal (including Pay in 3) · Apple Pay · Google Pay · Satispay

eSIM for Saint Martin — at a glance

From: €3.95
Local networks: Orange, Digicel, Orange Caraïbe, Dauphin Telecom
Technology: 4G/LTE
Network coverage: 90%
Activation: QR code — install before you leave
Recommended data: 1–3 GB light use · 5 GB with social media · 10 GB+ streaming

All eSIM plans for Saint Martin

Data	Validity	Price
Unlimited	1 day	€5.37
Unlimited	3 days	€14.92
Unlimited	5 days	€24.45
Unlimited	7 days	€33.99
Unlimited	10 days	€48.29
Unlimited	15 days	€72.13
Unlimited	30 days	€143.67
1 GB	7 days	€3.95
2 GB	15 days	€7.28
3 GB	30 days	€10.06
5 GB	30 days	€16.34
10 GB	30 days	€29.69
20 GB	30 days	€53.06
50 GB	30 days	€119.82

Saint Martin is a unique island in the world: divided, with no customs border, between the French side and the Dutch side, Sint Maarten, it offers dream beaches such as Orient Bay, colourful markets in Marigot and the legendary Maho Beach, with planes landing just metres from the sand. Moving between the two sides of the island is very quick, but staying connected is essential — to discover hidden restaurants, book excursions to Anguilla or simply share spectacular sunsets. With a Datiovunque eSIM activated from home, as soon as you step off the plane at Princess Juliana you are already online, without looking for local SIMs or relying on hotel Wi-Fi.

Flight from Rome

About 10–12 hours (with one or two stopovers, usually via Paris, Amsterdam or Miami)

Time zone

UTC-4 (6 hours behind Rome in summer, 5 hours in winter)

Best season

December–April (dry season, ideal climate with temperatures around 27°C)

Power socket

Type C/E — compatible with Italian plugs, no adapter needed

Why an eSIM is essential in Saint Martin

Saint Martin has a very rare feature: the island is divided into two distinct entities — the French north side (an overseas collectivity) and the Dutch south side of Sint Maarten — with no physical barrier between the two. This means that over the course of a single day you may cross from one jurisdiction to the other several times, with different phone networks and potentially variable roaming costs if you use a traditional Italian SIM. With an eSIM, the connection is managed intelligently and continuously on both sides thanks to the coverage of local operators such as Orange and Digicel, which guarantee a stable 4G/LTE network over more than 90% of the island's territory. Moreover, with Saint Martin on UTC-4 — that is, 6 hours behind Rome in summer — having working data from the very first moment lets you coordinate boat excursions to nearby islands such as Saint Barthélemy or sync transfers without stress. No operator kiosk to find, no physical SIM to look after under the Caribbean sun.

Network coverage in Saint Martin

Operator

Orange

+ Digicel

Technology

4G/LTE

Coverage

90%

Installing an eSIM for Saint Martin: how does it work?

1
Buy the plan
Choose the right data plan for Saint Martin and complete your purchase.
2
Scan the QR code
Open the email that holds the QR code and point your smartphone's camera at it.
3
Activate the eSIM
Follow your device's instructions to add the eSIM as a data plan.
4
Start browsing
Turn the eSIM on once you land in Saint Martin and get online straight away.

1
Buy the plan
Choose the right data plan for Saint Martin and complete your purchase.
2
Scan the QR code
Open the email that holds the QR code and point your smartphone's camera at it.
3
Activate the eSIM
Follow your device's instructions to add the eSIM as a data plan.
4
Start browsing
Turn the eSIM on once you land in Saint Martin and get online straight away.

Which eSIM plan fits you best?

Holidaymakers

Going away for 1-2 weeks? Pick a plan with 3-5 GB for maps, photos and messages.

Business travellers

For video conferencing and email while travelling, we suggest at least 5 GB or an unlimited plan.

Backpackers

A longer trip is better served by 10+ GB, or by a regional plan that spans multiple countries.

Families

For families with several devices we recommend a plan with tethering support and enough data.

Which suits Saint Martin best: an eSIM, a local SIM or a Wi-Fi hotspot?

	eSIM	Local SIM	Wi-Fi hotspot
Activation	Instant (QR code)	Bought locally	Pick-up/delivery
Setup	2 minutes	SIM swap needed	Extra device
Price	From €3.95	€5–30	€5–15/day
Network	Local 4G/LTE	Local 4G/LTE	Local 4G/LTE
Devices	1 smartphone	1 smartphone	Up to 5 devices
Flexibility	Top up at any time	Fixed data allowance	Daily rental
Recommended	Ideal for travellers	For long stays	For groups/families

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Saint Barthélemy eSIM Guadeloupe eSIM Have questions? Visit the Help Centre eSIM or roaming: which is better?How much data do you need when travelling?The best eSIMs: how to choose

Common questions about the eSIM for Saint Martin

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