Ireland
EuropeIreland eSIM
Data only eSIM
Starting from€5.00
Stay connected in Ireland with data plans for travel, work, and everyday use abroad.
- Instant activation
- QR code delivery
- Secure checkout
- No physical SIM
- Flexible data plans
Select a data plan
Loading available plans for this destination.
What's included
Coverage areas
Network partners
How to activate
Get connected in under 5 minutes.
Purchase your plan
Select your preferred data package and complete the secure checkout process.
Receive QR code
Get your eSIM QR code instantly by email after purchase confirmation.
Scan and activate
Open phone settings, scan the QR code, and start using data immediately.
Buy an Ireland eSIM Online
With an Ariya Mobile Ireland eSIM you get mobile internet the moment you arrive — no physical SIM card and no hassle at the airport. Buy online, receive your QR code instantly by email and scan it to activate. Ideal for travel, work and everyday use in Ireland.
The eSIM connects to reliable local networks in and around major cities such as Dublin, Cork, Limerick, Galway, Waterford, Drogheda — handy for visiting family, holidays and everyday use.
Coverage & networks
The Ireland eSIM connects to reliable local networks for stable 4G/5G internet in cities and popular destinations.
Instant delivery
After payment you receive your eSIM QR code straight away by email and in your Ariya account. No waiting and no shipping.
Easy activation
Scan the QR code, add the eSIM in your settings and turn on data roaming on arrival. Ready in a few minutes.
Who is this Ireland eSIM for?
For a Belgian or Dutch SIM card, Ireland behaves like home: the European roaming rules apply and your plan works at your domestic rate. This eSIM is for anyone arriving from outside the EU or EEA who would otherwise pay their home operator's full international rate, anyone on a very cheap or unlimited plan who runs into the fair-use data limit, and anyone staying in Ireland for months at a time. For that last group, the operator may check over at least four months whether you spend more time outside your own country than in it and use more abroad than at home, and may only apply a surcharge after a warning with at least two weeks to adjust.
Mobile internet, 4G and 5G in Ireland
Ireland has strong mobile coverage in the cities, with 5G reaching 96.31% of households in 2025, close to the EU average of 96.79%. Outside the cities the picture differs: in sparsely populated areas Ireland reaches 89.14%, making it one of only seven EU states under 90% on rural 5G. The fast 3.4–3.8 GHz band also stays below the EU average, at 65.66% nationally and 22.46% in sparsely populated areas, against 74.75% and 33.71% respectively. The European Commission calls fixed infrastructure and headline mobile coverage strong, while noting that 'Ireland's higher-capacity mobile layer remains less developed'.
Dublin to Belfast: watch your roaming
Anyone taking a day trip from Dublin to Belfast leaves the European roaming area: Northern Ireland belongs to the United Kingdom, and since Brexit 'Roam Like at Home' no longer applies there automatically. Some operators extend the rule to the UK voluntarily, without being obliged to — check with your own operator beforehand. Ireland's regulator, ComReg, also flags 'inadvertent roaming': in border areas a phone can connect to a Northern Irish or British network without you noticing, with cross-border charges as a result. ComReg advises disabling automatic network selection so you choose which network you connect to.
Frequently asked questions
Does my Belgian or Dutch plan work in Ireland?+
Yes. Ireland is an EU member state, so your plan works there at your domestic rate. That changes the moment you cross into Northern Ireland: it belongs to the United Kingdom and, since Brexit, sits outside 'Roam Like at Home'.
Do prepaid SIM cards have to be registered in Ireland?+
No, Irish law does not require this for prepaid SIM cards.
What happens to my plan on a day trip from Dublin to Belfast?+
You leave the European roaming area. Ireland's regulator, ComReg, itself warns about 'inadvertent roaming': in border areas your phone can connect to a Northern Irish or British network without you noticing, with cross-border roaming charges as a result, depending on your own operator's policy. Since Brexit, 'Roam Like at Home' no longer applies to the United Kingdom; some operators extend it voluntarily, but they are not obliged to. ComReg advises disabling automatic network selection on your handset so you choose which network you connect to.
How good is 5G coverage in Ireland?+
Strong in the cities, weaker in the countryside than the EU average. According to the European Commission, 5G reached 96.31% of Irish households in 2025, close to the EU average of 96.79%, but 89.14% in sparsely populated areas — making Ireland one of only seven EU states under 90% on rural 5G. On the fast 3.4–3.8 GHz band Ireland stays at 65.66%, below the EU average of 74.75%. The Commission calls fixed infrastructure and headline mobile coverage strong, but notes that 'Ireland's higher-capacity mobile layer remains less developed'.
Does my phone support eSIM?+
Most recent smartphones (iPhone XS and newer, recent Samsung Galaxy and Google Pixel) support eSIM. Check your settings for an 'Add eSIM' option.
When should I activate my Ireland eSIM?+
Install the eSIM before departure over wifi, but only enable data roaming once you arrive in Ireland, so your plan starts at the right time.
How do I receive my eSIM?+
Right after payment you receive the QR code by email and in your Ariya Mobile account. Remember to check your spam folder.
Can I top up my plan?+
Yes, simply buy a new Ireland eSIM plan when your data or validity runs out.