Kornelijus
Affordable and reliable. Traveled to the US for a trip and used blikst. It was much more affordable than other companies and was very
Saint Barthelemy
Trust score 4.5
Features
- Coverage: Saint Barthelemy
- Network Provider: Dauphin
- Speed: 2G / 3G
- Tethering / Hotspot: Yes
Plan Details
Device Compatibility: Most modern smartphones are fully compatible with Blikst eSIMs. However, a few exceptions exist. Check our detailed compatibility list to confirm your device works flawlessly with our service..
Activation Policy: Enjoy automatic activation by simply scanning the QR code provided after purchase. Your eSIM will instantly activate upon your arrival at Saint Barthelemy, ensuring immediate connectivity.
Delivery Time: Receive a confirmation email with your eSIM details right after completing your purchase. Quick and seamless delivery ensures you’re ready to go in minutes.
Description
Saint Barthelemy is a nine-square-mile French overseas collectivity in the northern Caribbean, sitting about 30 kilometres southeast of Saint Martin. It runs on euros, French customs, and French mobile infrastructure — which means most non-EU carriers either block it or charge the premium international tier. A Blikst Saint Barthelemy eSIM runs on Dauphin with 2G / 3G coverage across Gustavia, Saint-Jean, Grand Cul-de-Sac and the outlying beaches, handling messaging, maps, and light browsing without the per-minute roaming bill.
Realistic expectations for the network
Dauphin's available speed here is 2G / 3G, not LTE — that's a function of the local network build, not the plan. What that means in practice: WhatsApp, iMessage, email, Google Maps navigation, and ride-coordination apps all work fine. HD video streaming, large file uploads, and bandwidth-heavy remote work will feel slow. If you need to push 4K photos from Plage de Saline to your cloud drive, do it over villa Wi-Fi.
Where coverage holds up
Gustavia harbour, Saint-Jean around the airport, Lorient, and Grand Cul-de-Sac all have consistent signal. The hill roads between bays — the climb over to Gouverneur, Saline, and Colombier — have patchy stretches where the signal drops as you round the ridge. Plage de Colombier is only reachable by foot or boat and has thinner coverage than the beaches you can drive to. The islets off the east coast (Toc Vers, Frégate) don't have reliable cellular at all.
Why an eSIM beats the alternatives here
Picking up a local SIM at Gustavia means finding the Dauphin or Orange shop during the narrow opening hours (closed for a long lunch, closed Sundays, closed Mondays in parts of the year). US carriers typically charge Caribbean roaming at $10–$12 per day. On a short yacht stop or villa week, an eSIM you install from your home Wi-Fi saves the errand entirely.
Arriving at SBH or by ferry
Install the Blikst profile before you travel. Gustaf III Airport (SBH) is famously small and notoriously short-runwayed — the terminal has limited Wi-Fi and you do not want to be debugging an eSIM install while the next STOL flight lands over your head. When you land, flip off airplane mode and the Dauphin line registers automatically. Arrivals by ferry from Saint Martin (Marigot or Oyster Pond) get the same handoff once you clear the Gustavia port.
What you'll actually use data for
- WhatsApp and iMessage: How villa managers, charter captains, and Shell Beach bar bookings get coordinated. Assume it's your main channel.
- Google Maps or Apple Maps: The island's roads are narrow, unmarked, and one-way in places. GPS voice navigation is worth its weight.
- Restaurant reservations: Nikki Beach, Shellona, Eddy's — most sit-down lunches in peak season need an app-based or email booking the same day. Wi-Fi at the beach isn't a given.
- Weather and sea state: Windy.com and local French marine forecasts matter if you're chartering. Small-craft advisories shift fast in the eastern Caribbean.
- Translation: Menus and shop signage skew French. Google Translate's camera mode is useful if your French ends at "bonjour".
Plan sizing for a St Barts trip
A 3-day yacht stop: 1 GB is usually enough given 2G / 3G throughput and the amount of time you'll be on villa or boat Wi-Fi. A week-long villa stay: 2–3 GB covers navigation, messaging, and light browsing. Longer stays or a family with multiple phones tethering should scale up accordingly, but don't oversize — the network ceiling here limits how fast you can burn data anyway.
Install before you fly, land connected, and don't waste a Gustavia morning on a SIM-shop queue. The lobster thermidor at Le Select isn't going to order itself.
Important Information
- This eSIM plan is only compatible with iPhone, Samsung and Google devices.
- To activate this plan, you will need to provide your IMEI, EID/ICCID and preferred eSim Activation Date.
- On the specified date your eSim will be activated automatically in the USA no QR code needed.
- The plan must be purchased at least 2 days before the activation date to allow time for processing.
Our plans
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Follow Installation Instructions
Use the provided step-by-step guide to set up and activate your eSIM in few minutes. Then enjoy your trip.
Learn MoreBlikst eSIM Reviews
Marius
Smooth, simple, just works. Use it again.
Elinga
Quick activation and stable connection. Super handy 🌟 Used it during my trip in Madeira.
James
Lovely support, got an esim for UK. Had no issues.
Capone
I used to have 3 mobile but the internet connection was not the best, that’s why I started to use Blikst and I find it very useful
eSIM FAQ
The Blikst Saint Barthelemy eSIM runs on Dauphin, the local French mobile operator. Be realistic about speed: it delivers 2G and 3G here, not LTE, and that is a function of the island's network build rather than the plan itself. In practice that is fine for WhatsApp, iMessage, email, Google Maps navigation and ride-coordination apps, but HD video streaming and large file uploads will feel slow.
Signal holds up consistently around Gustavia harbour, Saint-Jean by the airport, Lorient and Grand Cul-de-Sac. The hill roads between bays are patchier, with drops as you round the ridge towards Gouverneur, Saline and Colombier. Plage de Colombier, reachable only on foot or by boat, has thinner coverage, and the east-coast islets like Toc Vers and Fregate have no reliable cellular at all. Plan offline maps for those spots.
Right after purchase you receive a confirmation email with your eSIM details, then you scan the QR code provided to install the profile. Activation is automatic: the Dauphin line registers itself the moment you arrive in Saint Barthelemy. Do the install at home over Wi-Fi before you fly, because Gustaf III Airport is tiny with limited Wi-Fi. When you land, simply switch off airplane mode and you are connected.
Most modern smartphones work fully with Blikst eSIMs, though a few exceptions exist, so check our detailed compatibility list to confirm your device. Your phone must be carrier-unlocked. On an iPhone you can verify eSIM support under Settings, General, About, where you will see an EID number; on Android the eSIM option appears in your network or SIM settings. If both show up, you are good to go.
Because the network here runs at 2G/3G and you will spend plenty of time on villa or boat Wi-Fi, you do not need much. A three-day yacht stop is usually fine on 1 GB. A week-long villa stay sits comfortably on 2 to 3 GB, covering navigation, messaging and light browsing. Longer stays or families with several phones tethering should scale up, but the network ceiling limits how fast you can burn data anyway.
Yes, tethering and hotspot use are supported, so you can share the connection with a laptop, tablet or a travel companion's phone. Bear in mind the realistic 2G/3G throughput here: it handles messaging, maps and light browsing well, but heavy tasks like large uploads or HD video will feel slow over a shared connection. If a family is tethering multiple phones, size your plan up a little to suit.
This is a data-only plan, so it does not include a local phone number for traditional calls or SMS. Instead you call and message over the internet using apps like WhatsApp, iMessage and FaceTime, which is exactly how villa managers, charter captains and restaurant bookings get coordinated on the island anyway. Because the eSIM is a separate digital line, your physical home SIM can stay in the phone, keeping your usual number reachable.
Usually, yes. Saint Barthelemy runs on French mobile infrastructure, so most non-EU carriers either block it or bill the premium international tier, and US carriers typically charge Caribbean roaming at 10 to 12 dollars per day. Buying a local SIM means hunting down the Dauphin or Orange shop in Gustavia during narrow hours, often closed for a long lunch, on Sundays and on some Mondays. An eSIM you install from home skips the errand entirely.