eSIM Saint Barthélemy: Mobile Data for Your Caribbean Trip
Stay connected across Saint Barthélemy with a prepaid travel eSIM. Choose from 11 data plans starting at $0.68, scan your QR code before departure, and arrive with mobile data ready to use. No physical SIM card, no roaming charges, no paperwork.
- Plans from
- $0.68
- Plans available
- 22
- Smallest bundle
- 1GB
- Shortest validity
- 7 days
- Delivery
- QR code by email, within minutes
- Plan type
- Prepaid data only — no contract
Prepaid Data Plans for Saint Barthélemy Travel
esimbloom offers 11 prepaid eSIM plans for Saint Barthélemy, starting from $0.68. Plans begin at 1GB with 7-day validity and scale up for longer stays or heavier use. Every plan is data-only: you get mobile internet for maps, messaging apps, and browsing, but no local phone number or SMS service.
Your eSIM connects to established mobile infrastructure across the island. Service runs on 4G/LTE or 5G where the underlying network and your device support it. You pay once upfront, receive your QR code by email within minutes, and use exactly the data you purchased with no surprise charges.
How to Activate Your Saint Barthélemy eSIM
Before you fly, check that your phone supports eSIM technology—most iPhones from XS onward and recent Android flagships do. After purchasing, you will receive a QR code by email. Install the eSIM while you still have Wi-Fi by scanning the code in your phone's settings, but do not activate the plan yet.
Turn on your eSIM and enable data roaming once you land in Saint Barthélemy. Your plan validity starts the moment the eSIM first connects to the network. Keep your home SIM installed if you need to receive verification codes or calls; your phone will route mobile data through the eSIM and calls through your primary line.
Staying Online in Saint Barthélemy
Saint Barthélemy is a small island—just 25 square kilometres—and mobile coverage reaches most inhabited areas including Gustavia, St. Jean, and the main resort zones along the northwest and eastern coasts. You will find reliable connectivity in hotels, beaches, and restaurants. Hilly interior areas and more remote coves may see weaker signal, but most travellers stay within well-covered zones.
Typical data use for a week includes navigation around the island, booking restaurant tables, uploading photos from Colombier Beach or Shell Beach, and staying in touch via WhatsApp or iMessage. Streaming video or large backups will consume data quickly. A 1GB plan suits light use; consider 3GB or more if you navigate frequently, share media, or work remotely during your stay.
Frequently asked questions
Do eSIMs for Saint Barthélemy include a local phone number?
No. esimbloom plans are data-only, so you get mobile internet but no local number, no SMS, and no voice calls. Use WhatsApp, FaceTime, or similar apps for calls over data.
When does my Saint Barthélemy eSIM plan start?
Validity begins the first time your eSIM connects to a mobile network in Saint Barthélemy. Install the eSIM before departure but keep it turned off until you land to preserve your full validity period.
Will my eSIM work across the whole island?
Coverage reaches most populated areas, beaches, and roads in Saint Barthélemy. Signal may be weaker in steep or isolated interior spots, but the island is small and most visitor areas have reliable service.
Can I keep my home SIM active while using a travel eSIM?
Yes. Your phone can hold both your home SIM and the eSIM simultaneously. Set the eSIM as your data line and keep your primary number active for calls and texts.
How much data do I need for a week in Saint Barthélemy?
A 1GB plan covers basic navigation and messaging. If you upload photos, stream music, or use maps constantly, choose 3GB or more. Video streaming or video calls consume data rapidly.