HelloRoam offers a St Barthélemy eSIM from €4.88, with access to 212+ carrier networks across 185+ countries. Your e SIM taps into local 4G/5G networks the moment you land, no roaming charges. Scan the QR code and you're online in under two minutes, on any eSIM compatible phone. Your Three Ireland, Vodafone IE, or Eir number keeps running on dual SIM while your e-sim handles the data.
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Saint Barthelemy eSIM coverage on local networks
Cheap eSIM for St Barthélemy, starting from €4.88. Local 4G/5G data on top carrier networks in St Barthélemy. Works on all eSIM compatible phones. St Barts draws well-travelled visitors to its chic beaches and Gustavia harbour, and data should be the last thing you need to think about on arrival. An eSIM in St Barts from HelloRoam starts at €4.88 on Caribbean networks. Activate via QR code at home before you board at Dublin so you're connected from the moment you land. No SIM card to source, no roaming charges, no contract required.
St Barthélemy eSIM with fast 5G coverage
HelloRoam offers eSIM plans for Saint Barthélemy starting from €4.88. Connect on 4G LTE through Orange Caraibe and Digicel. Your Irish carrier's international roaming charges apply in Saint Barthélemy. A HelloRoam eSIM costs far less than daily roaming add-ons from Eir, Three Ireland, or Vodafone Ireland. Activate before your flight from Dublin Airport and connect on arrival at Gustaf III Airport.
- Plans start at €4.88 with 5G speeds
- Coverage from Orange
- Instant activation in under 2 minutes
- 180-day money-back guarantee
- St Barthélemy coverage across major cities
- Network
- 5G
- Plans From
- €4.88
- Activation
- Under 2 min
- Guarantee
- 180 days

How to Set Up an eSIM in St Barthélemy

Pick a data plan for your destination and complete checkout online.

Scan the QR code to install your eSIM instantly.
Your eSIM installs instantly and activates the moment you land.

Track usage, top up data, and manage all your eSIMs in one place.

Pick a data plan for your destination and complete checkout online.

Scan the QR code to install your eSIM instantly.
Your eSIM installs instantly and activates the moment you land.

Track usage, top up data, and manage all your eSIMs in one place.
Trip changed? No bother, we have got you sorted.
Travel plans shift, and that's grand. HelloRoam refunds unactivated, unscanned eSIMs in full for up to 180 days after purchase, no drama.
Learn more about our refund policyHelloRoam St Barthélemy eSIM vs Three Ireland, Vodafone IE and Eir roaming
Comparing eSIM vs a travel SIM card for St Barthélemy? Eir charges up to €5.99/day for Worldwide Roaming, Vodafone IE up to €6.99/day for Global Roaming, and Three Ireland applies daily charges outside its Go Roam zone. Skip the airport SIM counter at Dublin Terminal 1 and get a prepaid eSIM from €4.88 with instant QR activation and a 180-day refund on unactivated eSIMs.
| Feature | Irish carrier roaming add-on | Limited data eSIM | |
|---|---|---|---|
| 180-day refund policy | |||
| 24/7 live chat support | |||
| €0 activation fees | |||
| Free hotspot and data sharing | |||
| No data overage charges | |||
| Instant QR code delivery | |||
| Premium St Barthélemy carrier networks |
Why Travellers from Ireland Use HelloRoam e-sim for St Barthélemy
HelloRoam vs Other eSIM Providers for St Barthélemy
eSIM provider reviews from Irish travellers consistently highlight the 180-day refund policy, zero activation fees, and 24/7 live support. See how HelloRoam compares to Airalo, Holafly, Saily, and other eSIM providers on the things that matter most for your St Barthélemy holiday.
| Feature comparison | Airalo | Holafly | Nomad | Saily | Ubigi | |
|---|---|---|---|---|---|---|
| 180-day refund policy | ||||||
| 24/7 live chat support | ||||||
| €0 activation fees | ||||||
| Free hotspot and data sharing | ||||||
| No data overage charges | ||||||
| Instant QR code delivery | ||||||
| Premium St Barthélemy carrier networks | ||||||
| Own branded carrier identity (SPN) |
What Is an e SIM? How eSIM Works in St Barthélemy
An eSIM is a digital SIM built directly into your phone: no plastic chip, no SIM tray. Scan a QR code to activate in under 2 minutes on any eSIM compatible iPhone or Android. It works as a prepaid data plan for St Barthélemy travel with no airport SIM counter, no physical SIM card, and no carrier contract. Sort everything at home before you head to Dublin Airport, Shannon, Cork, or Knock and you are ready to go the moment you land. guide


Mobile connectivity guide for Saint Barthélemy
Saint Barthélemy has 4G LTE coverage through Orange Caraibe and Digicel across Gustavia and the main populated areas. Your Irish carrier's international roaming charges apply in Saint Barthélemy.
A HelloRoam eSIM costs far less than daily roaming add-ons from Eir, Three Ireland, or Vodafone Ireland. A HelloRoam eSIM means you arrive at Gustaf III Airport already connected without hunting for a SIM card. Plans start at €4.88.
- HelloRoam connects to Orange 5G in St Barthélemy
- 4G LTE coverage in Gustavia and main tourist areas
- Connect on Orange Caraibe and Digicel
- Activate before your flight from Dublin
eSIM Travel Tips for St Barthélemy
Sort your eSIM before you leave Dublin
Buy your HelloRoam eSIM for Saint Barthélemy at home, scan the QR code over Wi-Fi, and switch on data when you land at Gustaf III Airport. You step off the plane already connected on local 4G LTE. No queuing at airport telecom shops.
Keep your Irish number live
On a dual-SIM phone, leave your Three Ireland, Vodafone Ireland, Eir, or GoMo SIM active for calls. Use HelloRoam for data in Saint Barthélemy. People back home can still ring your Irish number.
Download offline maps before you travel
Save Google Maps or Maps.me for Saint Barthélemy offline before you fly. Offline navigation saves data and keeps working where signal is patchy. It is a handy backup when you arrive and need directions.
Watch your data usage
The HelloRoam app shows your balance in real time. You get alerts at 80% and 95% usage. Top up inside the app if you need more data in Saint Barthélemy, no reinstall needed.
Save emergency numbers offline
The emergency number in most countries is 112. Save it offline before you travel. Emergency calls work on any available network regardless of your HelloRoam data balance.
Mobile networks in Saint Barthélemy: what Irish visitors need to know
HelloRoam connects on Orange Caraibe and Digicel in Saint Barthélemy. Saint Barthélemy is a French overseas collectivity in the Caribbean. The island covers just 25 square kilometres, so coverage is consistent across most populated and resort areas including Gustavia harbour and Saint-Jean beach. Coverage is reliable in Gustavia and main resort areas. Your eSIM picks the best available signal automatically. Plans start at €4.88.
- Orange

- 5G
HelloRoam eSIM vs Irish carrier roaming in Saint Barthélemy
Your connectivity options for a trip to Saint Barthélemy from Ireland. Compare HelloRoam against buying a local SIM or using your Irish carrier's international roaming.
From €4.88 total
Plans from €4.88. Buy before your flight from Dublin Airport, activate at home, and arrive at Gustaf III Airport already on local 4G LTE data. No store visits or ID required.
€4.32–€21.61 total
Local SIM cards are available in Gustavia. You need identification and in-store registration. Options may be limited. Unused data is forfeited when your trip ends.
€4.32–€12.96/day
Irish carrier international roaming can cost €5 to €15 per day. A week in Saint Barthélemy on roaming could add €35 to €105 in data charges alone. HelloRoam eSIM starts at €4.88 for your whole trip.
| Category | Local Saint Barthélemy SIM card | Eir, Three Ireland, Vodafone Ireland, or GoMo roaming | |
|---|---|---|---|
| Typical cost | From €4.88 total | €4.32–€21.61 total | €4.32–€12.96/day |
| Details | Plans from €4.88. Buy before your flight from Dublin Airport, activate at home, and arrive at Gustaf III Airport already on local 4G LTE data. No store visits or ID required. | Local SIM cards are available in Gustavia. You need identification and in-store registration. Options may be limited. Unused data is forfeited when your trip ends. | Irish carrier international roaming can cost €5 to €15 per day. A week in Saint Barthélemy on roaming could add €35 to €105 in data charges alone. HelloRoam eSIM starts at €4.88 for your whole trip. |
Prices verified:
Your St Barthélemy eSIM Questions Answered
eSIMs St Barts plans activate on your phone by QR code before departure, with data starting from €4.88 on local Caribbean networks. HelloRoam sends your QR code by email so you set up at home before your Dublin flight. No airport kiosk, no contract, no roaming charges from your Irish provider on arrival.
An e-sim St Barts plan from HelloRoam covers Gustavia, St Jean, and the beaches on local Caribbean network coverage from €4.88. HelloRoam activates by QR before departure with no physical SIM swap needed on arrival. Prepaid and no-contract, backed by a 180-day refund guarantee on unactivated eSIMs.
HelloRoam is a top-rated eSIM for travellers from Ireland visiting St Barthélemy. Plans start from €4.88 and connect through our worldwide network of 212+ carriers, giving you local 4G/5G speeds in St Barthélemy. Activate via QR code in under two minutes, keep your Three Ireland, Vodafone IE, or Eir number on dual SIM, and enjoy a 180-day refund window on unactivated eSIMs. No daily roaming charge and no carrier contract.
A St Barthélemy eSIM starts from €4.88. Fixed data plans run from 1GB to 20GB. Unlimited daily plans suit longer trips. All plans include local 4G/5G access with no overage charges and no carrier contract. That is far less than what Eir charges for non-EU Worldwide Roaming or Vodafone IE for Global Roaming.
eSIM in St Barthélemy connects to local 4G/5G networks. Your phone picks the strongest available signal automatically on arrival, no manual carrier selection needed. Coverage spans major cities, airports, main roads, and most rural areas. You get the same local network speeds as residents of St Barthélemy, not the premium daily rates Eir or Vodafone IE charge for international roaming.
Getting your eSIM for St Barthélemy takes three steps. First, choose your plan at helloroam.com and pay in EUR. Second, scan the QR code from your confirmation email in Settings under Mobile Data, then Add eSIM. Third, your e-sim installs in under two minutes and activates when you land. Do everything at home before you head to Dublin Airport, Shannon, Cork, or Knock. No shop visit, no physical SIM swap, no queue.
Yes. iPhone XS and all newer models support your eSIM for St Barthélemy. Go to Settings, tap Mobile Data, then Add eSIM, and scan the QR code from your HelloRoam email. Your Irish number stays active on your main SIM through dual SIM while HelloRoam handles all travel data on the eSIM line. iPhone 14 and later are eSIM-only with no SIM tray needed.
The emergency number in Bl is 112. Dial 112 (international emergency number) for urgent help. Emergency calls work on any available network, including your HelloRoam eSIM, even without a data balance. Save the number offline before you travel. Save these numbers before you leave for the destination. Emergency calls work on any mobile network without an active data plan. The international emergency number 112 also works in many countries worldwide.
HelloRoam eSIM plans work in Saint Barthélemy on Orange Caraibe and Digicel 4G LTE. Activate at home before your flight from Dublin by scanning the QR code in your phone settings. Enable data roaming when you land at Gustaf III Airport and you'll be online within seconds.
HelloRoam eSIM for Saint Barthélemy connects on Orange Caraibe and Digicel. Your phone picks the strongest available 4G LTE signal automatically as you move around Saint Barthélemy. Coverage is reliable in Gustavia and all main tourist and resort areas.
HelloRoam eSIM plans for Saint Barthélemy start at €4.88. Larger plans with more data and longer validity are available for bigger trips. All plans include 4G LTE data with no daily fees or surprise charges.
Saint Barthélemy has 4G LTE coverage through Orange Caraibe and Digicel. Coverage is reliable across Gustavia and the main populated and resort areas. HelloRoam eSIM plans connect on the best available signal automatically.
Activating your HelloRoam eSIM for Saint Barthélemy takes about five minutes. Buy your plan at helloroam.com, scan the QR code in your iPhone or Android settings, and turn on data roaming when you arrive. Setup is easiest done at home before you fly from Dublin.
HelloRoam costs far less than Irish carrier roaming in Saint Barthélemy. Eir, Vodafone Ireland, Three Ireland, and GoMo international roaming add-ons typically cost €5 to €15 per day. A HelloRoam eSIM for Saint Barthélemy from €4.88 covers your full trip for far less.
A week in Saint Barthélemy with maps, messaging, and light browsing typically uses 2 to 4 GB. If you're streaming or video-calling home to Ireland, a 5 to 10 GB plan gives you a comfortable buffer. HelloRoam offers plans in multiple sizes.
What to Know Before You Buy
eSIM requires an unlocked, eSIM-compatible device. Check your phone settings before you buy.
Most travel eSIM plans provide data only. Your existing phone number stays active for calls and texts on your primary SIM.
Coverage quality varies by location within St Barthélemy. Urban areas typically have strong network coverage, while rural or remote areas may have limited connectivity.
Install your eSIM before departure. Activation requires an internet connection, which may not be available at your destination airport.
Transparency Notice
- Service Provider Name (SPN)
- HelloRoam appears as the carrier name on your phone's status bar through the SPN, a standardized field in the eSIM profile. Unlike most travel eSIM resellers, HelloRoam provisions its own Service Provider Name.
- Public Network Name (PNN)
- HelloRoam holds a registered Public Network Name, the official carrier identity filed with telecommunications authorities. HelloRoam is recognized as a licensed service provider, not a white-label reseller.
- Access Point Name (APN)
- HelloRoam eSIMs auto-configure their Access Point Name during installation. Your device connects to the strongest local network infrastructure without manual settings.
Prices are our retail rates across 185+ countries. Plan recommendations use real traveller feedback and network performance data. Unactivated eSIMs qualify for a 180-day refund.










