Ireland 50GB 180 days
Eir
- データ
- 50GB
- 有効期間
- 180 days
- テザリング
- 可
- 通信方式
- 3G / 4G / 5G
- 5G対応
- テザリング
- 追加チャージ対応
Validity starts on first connection at the destination
- One network
A small Atlantic port and the doorway to coast roads and islands where signal shifts fast.
公開: 2026年9月21日最終更新: 2026年9月21日
There is no working commercial airport here. Most people fly into Shannon (SNN), about an hour's drive, or into Dublin and take a coach across on the M6 in roughly two and a half hours. The other route is the train from Dublin Heuston via Athlone into Galway Ceannt station, which sits right in the centre. Turn the eSIM on before you leave the airport you land at, because several coach operators sell in an app and some stops have no desk at all. The motorway run is connected; the slow part near town is traffic, not signal.

Galway is a small city with far more going on than its size suggests. Most visitors use it as a base before heading out along the Atlantic coast: self-drivers, day-tour groups and students on long stays. You can walk the centre end to end in twenty minutes, and it is full of pubs with live music. Connectivity in town is rarely the issue. Drive west into Connemara, though, and the ground turns to bog, lakes and stone quickly.
There is no working commercial airport here. Most people fly into Shannon (SNN), about an hour's drive, or into Dublin and take a coach across on the M6 in roughly two and a half hours. The other route is the train from Dublin Heuston via Athlone into Galway Ceannt station, which sits right in the centre. Turn the eSIM on before you leave the airport you land at, because several coach operators sell in an app and some stops have no desk at all. The motorway run is connected; the slow part near town is traffic, not signal.
Around Shop Street and Eyre Square it works across the board, and the seafront promenade at Salthill is particularly open and clear. Drive out into Connemara on the two-lane roads through bog and lakes, and long stretches simply go. The same is true of the cliff roads south, where limestone hills create pockets with nothing. On the crossing to the Aran Islands the middle of the water goes quiet and comes back as you approach the far pier.
A day in town costs little, roughly 400MB to 900MB, since you walk and most places have wifi. A day driving the coast costs more: navigation stays open, you re-check the forecast repeatedly, and you photograph every pull-in. Budget around 1.5GB to 2GB for a driving day, and be generous with battery, because a phone hunting for service on an empty road works hard.
Ireland plans work country-wide, Galway included.
Eir
Validity starts on first connection at the destination
Eir
Validity starts on first connection at the destination
Eir
Validity starts on first connection at the destination
Eir
Validity starts on first connection at the destination
Eir
Validity starts on first connection at the destination
Eir
Validity starts on first connection at the destination
Download offline maps covering the whole route while you are still in town, set the destination before you pull away, and bring a car charger, because navigation running all day is heavy on power. Travelling alone, tell your accommodation which way you are going and roughly when you expect to be back, since parts of those roads have nothing at all.
Technically it usually works in town, but a packed small pub with stone walls will make the picture stutter. Recording short clips and sending them from your room works better. Ask the bar or the musicians first as well — many places have their own customs about filming a session.
Do not count on it. The middle of the crossing usually goes quiet, being far from masts ashore, and travel plans are generally written around land networks rather than shipboard systems. Save your ticket and the return sailing time on the device before you board, and check the official product terms for what applies at sea.
Days in town cost clearly less, because you walk and wifi is everywhere. The real variable is how many days you drive out along the coast, which costs several times what a town day does in both data and battery. Size your allowance by the number of driving days, not by the size of the city.