Ireland eSIM

Not unless the United Kingdom is named on the plan's own destination list, and this catches people out more here than almost anywhere. Northern Ireland is a separate jurisdiction, part of the United Kingdom, using pound sterling and its own mobile market, yet the land border is open and unmarked with no checks at all. Nothing announces the crossing. If the trip includes the Giant's Causeway, Derry or Belfast — the Enterprise train runs Dublin Connolly to Belfast in about two hours ten — treat it as a second destination and check for it by name.

Outside Dublin, effectively yes. Trains and coaches link the cities well — Dublin to Galway is about two and a quarter hours, Dublin to Cork around three by road and about two and a half by train — but they do not reach the peninsulas, Connemara or West Cork, which are the reason most people come. Driving is on the left, manual gearboxes are the default so automatics book out early, and the M50 around Dublin is a barrier-free toll paid online rather than at a booth.

Seven to ten days covers Dublin plus the southwest and west comfortably, and five is the practical floor. The distances look small and drive long: Dublin to Galway is about 208 kilometres but the Ring of Kerry alone is 180, and the Wild Atlantic Way runs some 2,500 kilometres across nine counties if you tried to follow it. Pick two or three bases rather than moving daily, since the peninsulas reward a slow day far more than a checklist.

Book a timed entry slot online before going, with parking included in it. The cliffs sit about 70 kilometres south of Galway in County Clare, and a seasonal shuttle links the Burren and the cliffs from late May to late September for those without a car. The clifftop is fully exposed, so wind decides how pleasant the visit is far more than rain does. Have the booking saved offline, since the approach roads are rural and you do not want to be searching for it at the gate.

You can, with a wetsuit, which is what most people wear even in August. The water sits around twelve to sixteen degrees at its summer warmest. The beaches themselves are the draw: Keem Bay on Achill Island, Dog's Bay and Gurteen near Roundstone, Inch and Slea Head on the Dingle peninsula, Lahinch and Fanore in Clare, Barleycove and Inchydoney in West Cork, and Mullaghmore and Strandhill up in Sligo. Treat them as coastal walks and surf spots rather than swimming holidays.

June to August for the light above all: near the solstice there are around seventeen hours of daylight and sunset falls close to ten in the evening, which is what makes the long peninsula drives possible in one day. April to May and September to October are quieter with still-long evenings. From November to March sunset is near four in the afternoon in late December, and many rural attractions, island ferries and seasonal shuttles reduce or close. Rain here is showery rather than all-day; it is wind that cancels things.

Usually not. The Ring of Kerry, Slea Head, Connemara and the Beara peninsula run long stretches between villages on narrow roads with high ground either side, and a signal that fades there and returns in the next town is behaving as the terrain dictates. Judge it in Killarney or Galway rather than on the road. If it genuinely fails in a town, use Wi-Fi to reopen the plan's own setup guide, confirm the Ireland profile is enabled and set as the mobile-data line, follow its roaming and APN steps in order, and give support the order reference and handset model.