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Guernsey

Instant data the moment you land. No physical SIM, no roaming bills.

Pick your plan.

What's included

  • Works with all eSIM-compatible smartphones
  • Hotspot sharing · no speed throttling
  • 180 days to install — validity starts on first network connection
  • No physical SIM, no roaming charges

Coverage

Get instant mobile data in Guernsey with a prepaid travel eSIM from GulfData. Whether you’re exploring St Peter Port or enjoying the island, stay connected across St Peter Port and across the island on the Sure network — all without roaming charges or hidden fees.

Sure 4G
GuernseyChoose a plan
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Why choose GulfData?

Simple, reliable mobile data — designed for travel across the Gulf.

24/7 Chat Support

Get help whenever you need it — before you travel or while you’re away.

Easy setup

Buy your plan, scan the QR code, and you’re connected in minutes.

Fast, reliable internet

High-speed data via trusted local networks across the GCC.

One eSIM for all your trips

Install once and reuse your eSIM — just add a new plan when you travel.

Get connected in minutes

Choose your plan, install your eSIM, and you’re online as soon as you land.

1

Choose your plan

Pick a destination and select the data plan that fits your trip.

No physical SIM. No roaming surprises.
2

Install your eSIM

Scan the QR code and install on your eSIM-compatible phone.

Setup takes ~2 minutes.
3

Connect when you arrive

Turn on the eSIM line and you’re connected on arrival.

Validity typically starts on first network connection.

Frequently Asked Questions about Guernsey eSIMs

Will the Guernsey eSIM work on my iPhone?

Yes, as long as you have an eSIM-capable, carrier-unlocked iPhone. That covers the iPhone XS, XR and every model since, including the SE (2020) and newer. After buying, you scan the QR code we email you and the Guernsey eSIM installs in under a minute. It runs as a second line alongside your normal SIM, so you keep your usual number while the eSIM carries your travel data. This is a data-only eSIM, so calls and texts go through WhatsApp, FaceTime, iMessage and similar apps rather than the standard phone line. If you are unsure whether your iPhone is unlocked, our 24/7 support team can help you check before you travel to Guernsey.

Does this eSIM work on Samsung and other Android phones?

Yes. The Guernsey eSIM works on most recent eSIM-capable, carrier-unlocked Android phones. That includes the Samsung Galaxy S20 and newer, the Z Fold and Z Flip range, Google Pixel 3 and later, plus many current models from other brands. Just check your phone supports eSIM and is not network-locked, then scan the QR code we email after purchase to install it. Your existing SIM keeps your normal number, and the eSIM handles your prepaid travel data. As a data-only plan, calls and texts run over WhatsApp and other internet apps rather than a standard mobile line. If you are not certain your handset qualifies, message our support team and we will confirm before your trip.

Which mobile network does the Guernsey eSIM use?

The Guernsey eSIM connects to the Sure network, one of the island's main mobile operators. That gives you fast 4G data in St Peter Port and reliable mobile internet right across Guernsey. Because the eSIM latches onto Sure automatically when you arrive, there is nothing to configure beyond installing it. You get the same local coverage a resident would, without paying roaming fees on your home plan. Whether you are checking maps along the harbour, uploading photos from Castle Cornet or video-calling home, this travel eSIM keeps you connected on a strong local network. Validity and data only start counting from your first connection to Sure, so you can install it ahead of time with no waste.

How good is coverage outside the main cities in Guernsey?

Coverage is strong well beyond St Peter Port. The Sure network reaches across Guernsey, so you stay connected in St Sampson, Vale, the west-coast bays around Vazon and Cobo, and out toward Pleinmont and the southern cliff paths. Guernsey is small and densely served, so 4G data follows you on the coastal walks, in the parishes and around Guernsey Airport. As with any island, signal can dip slightly in deep valleys or sheltered coves, but you will generally have dependable mobile internet for maps, messaging and uploads. If you plan day trips to Herm or Sark, check before sailing, as coverage there can vary. Our prepaid travel eSIM is built to keep you online almost everywhere you will explore.

How do I install and activate my Guernsey eSIM?

It takes only a couple of minutes. After you buy, we email you a QR code. Open your phone's settings, choose to add an eSIM or mobile plan, then scan that code to install the Guernsey eSIM. We recommend doing this at home over Wi-Fi before you travel. The plan does not start running until the eSIM first connects to the local network in Guernsey, so installing early costs you nothing. Once you land, switch the eSIM on as your data line, turn off roaming on your normal SIM, and you are online. There are no physical SIMs to swap and no shop visits. If anything looks unclear during setup, our 24/7 support team can walk you through every step.

Can I install the eSIM before I travel to Guernsey?

Yes, and we recommend it. Scan the QR code and install the Guernsey eSIM at home while you have steady Wi-Fi, so everything is ready before you leave. Installing does not start your plan: validity and data only begin when the eSIM first connects to the Sure network after you arrive in Guernsey. That means you can set up days in advance without losing any allowance. When you reach the island, simply enable the eSIM as your data line and turn roaming off on your main SIM. You will have working mobile internet the moment you land at Guernsey Airport or step off the ferry at St Peter Port, with no scrambling for a tourist SIM or airport kiosk on arrival.

Is the Guernsey eSIM cheaper than using roaming?

For most travellers, yes. Guernsey sits outside many standard UK and EU roaming arrangements, so visitors can face surprise daily charges or steep per-megabyte rates from their home carrier. Our Guernsey travel eSIM gives you a flat, prepaid price you know upfront, with no roaming fees and no bill shock when you get home. You buy the data you expect to use, and if you run low you simply add another plan rather than overpaying in advance. Compared with traditional roaming, that usually means meaningful savings for a short island break, plus the peace of mind of a fixed cost. You also keep your normal number active for calls and texts on your home SIM if you need it.

How much data do I need for a week in Guernsey?

It depends on how you travel. For a week in Guernsey, light users who mainly check maps, messaging and a little browsing often manage comfortably on a smaller plan. If you post photos and videos to social media, stream music on the coastal walks, or rely on video calls home, plan for more headroom. Heavy streaming and hotspot use pushes the figure higher again. A practical approach is to estimate generously, then top up only if needed, since adding another plan mid-trip is quick and you avoid overpaying upfront. Connecting to hotel or cafe Wi-Fi for big downloads also stretches your allowance. If you are unsure, our support team can suggest a plan size based on your travel style.

Can I use WhatsApp and keep my normal number in Guernsey?

Yes to both. The Guernsey eSIM is data-only, so calls and texts go through internet apps like WhatsApp, FaceTime, iMessage and similar VoIP services, which all work perfectly over the eSIM's mobile data. Meanwhile your normal phone number stays active on your primary SIM thanks to dual-SIM, so you can still receive bank verification texts or take a call if you choose. The trick is to set the eSIM as your data line and switch roaming off on your home SIM, so your data runs on the local Sure network with no roaming fees. That way you stay reachable on your usual number in Guernsey while keeping your travel data cheap and fully under your control.

Can I share my Guernsey data with a personal hotspot?

Yes. The Guernsey eSIM supports personal hotspot, also called tethering, so you can share your connection with a laptop, tablet or a travelling companion's phone. Any data used through the hotspot simply draws from the same plan allowance, so keep an eye on heavy tasks like video streaming or large downloads, which can use it up quickly. Sharing is handy for working from a cafe in St Peter Port or getting a second device online during a day trip around the island. If you find yourself running low, you can add another plan rather than overpaying upfront. For lighter sharing, such as maps and messaging on a second device, your prepaid mobile internet will stretch comfortably.

What is the best eSIM for travelling in Guernsey?

The best eSIM for Guernsey is one that runs on a strong local network, installs in minutes and gives you a clear prepaid price with no roaming fees. Our Guernsey travel eSIM ticks all three: it connects to the Sure network for fast 4G data in St Peter Port and island-wide, activates by scanning a QR code we email you, and starts only when you first connect on the island. You keep your normal number for calls and texts, can tether to other devices, and have 24/7 support before and during your trip. Compared with a physical tourist SIM or costly roaming, it is the simpler, cheaper way to stay online exploring Guernsey's harbours, bays and coastal paths.

Still have questions? Contact GulfData support 24/7.