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Guernsey — St Peter Port harbour
Supported destination

Guernsey

Guernsey is the second of the Channel Islands: the picturesque harbour of St Peter Port, Castle Cornet, quiet little bays, and the car-free islands of Sark and Herm nearby. With a Simply eSIM you stay connected from the moment you arrive.

Why an eSIM in Guernsey?

Install your plan before you travel and activate it on arrival in seconds. Flexible plans and 4G coverage span St Peter Port and the whole island, all managed from inside the app — especially handy since Guernsey sits outside most standard UK and European roaming bundles.

Top highlights

  • St Peter Port harbour and Castle Cornet
  • Victor Hugo’s Hauteville House
  • Moulin Huet and the southern bays
  • Day trips to Sark and Herm

Quick connectivity tips

  • Install the eSIM on stable Wi-Fi before you leave
  • Download your maps before boat trips to Sark and Herm
  • Track your usage in the app and top up whenever you need

FAQ

Does an eSIM work in Guernsey?

Yes. A Simply eSIM works in Guernsey over 4G networks covering St Peter Port and the whole island. Install it before you travel and activate on arrival in seconds.

Does a UK or Europe plan cover Guernsey?

Guernsey often sits outside standard UK and European roaming bundles, so Simply’s dedicated Guernsey plan is the safest choice. Check coverage in the app before you travel.

Does my primary number keep working during the trip?

Yes. Your primary SIM stays in place and keeps receiving calls and bank verification messages as usual, while your data runs over the travel eSIM.

How much data do I need in Guernsey?

For maps and messaging, 1-2 GB per day is enough. If you share lots of photos and video, pick a larger plan — you can always top up from the app.

Ready to travel to Guernsey?

Download the Simply app, pick a plan for your destination, and connect the moment you arrive