Best Islands in Ireland: Aran, Achill, Clare & More

Ireland’s coastline hides a treasure trove of islands, each offering unique landscapes, rich history, and a slower pace of life. These offshore gems provide escapes from mainland crowds, with dramatic cliffs, ancient ruins, and vibrant wildlife. Whether seeking adventure or tranquility, these destinations deliver authentic Irish experiences.

Why Visit Ireland’s Islands?

Scattered along the Wild Atlantic Way and beyond, Ireland’s islands boast unspoiled beauty and cultural depth. They feature pocket-sized versions of the mainland’s drama—think jagged cliffs, wild beaches, and stone walls—but with fewer visitors. Many support unique ecosystems, blending alpine, Mediterranean, and Arctic flora due to mild maritime climates. Islands like the Arans draw hikers and history buffs, while others offer pirate lore or seabird colonies. Access is straightforward via ferries or short flights, making day trips or overnights feasible.

The Aran Islands: Galway Bay’s Rugged Trio

The Aran Islands—Inis Mór, Inis Meáin, and Inis Oírr—stand out as Ireland’s most iconic island cluster, located off Galway. Covering about 18 square miles total, they showcase limestone pavements, dry-stone walls, and crashing Atlantic waves. Inis Mór, the largest at 12 square miles, hosts 845 residents and draws crowds for its ancient sites like Dún Aonghasa, a clifftop fort. Inis Meáin offers quieter authenticity, while Inis Oírr charms with shipwrecks and lakes.

Reach them via 40-minute ferries from Rossaveal (near Galway) or 90-minute sailings from Galway City with Aran Island Ferries. Doolin ferries add Cliffs of Moher views. Aer Arann flights from Connemara Airport provide aerial perspectives in 10 minutes. Ferries run year-round but check weather-dependent schedules.

• Hiking: Inis Mór’s 10km Lúb Dún Eochla loop from Kilronan Pier crosses hills and stone paths. Inis Oírr’s Lúb Ceathrú an Locha circles An Loch Mór and the Plassey wreck.
• Tours: Minibus excursions visit seal colonies and Seven Churches, led by local guides sharing insider stories.
• Stays: B&Bs and guesthouses offer Irish breakfasts under €100/night, with Wi-Fi and sea views.

Achill Island: Connected Wilderness in Mayo

Achill, Ireland’s largest island, links to the mainland by bridge, blending accessibility with wild terrain. Spanning 56 square miles, it features golden beaches, quartzite cliffs like Slievemore, and deserted strands. It’s popular for day trips but shines for overnights, revealing evening pub sessions and starlit skies. Hiking trails traverse bogs, mountains, and coastal paths, ideal for multi-day explorations.

Drive or bus across the Michael Davitt Bridge from Westport. No ferry needed, but rentals enable freedom on narrow roads shared with tractors. Population hovers around 2,600, fostering a lively community.

Accommodations range from hostels to boutique hotels, emphasizing fresh seafood and trad music.

Clare Island: Pirate Queen’s Mayo Hideout

Off Mayo’s coast, Clare Island (population ~140) captivates with 6 square miles of hills, woods, and beaches. Grace O’Malley, the 16th-century pirate queen, ruled from here, her castle still standing. Dramatic cliffs and the granite Clare Island Lighthouse add allure. It’s a refuge for walkers, with trails revealing WWII towers and wildflowers.

Ferries from Roonagh (near Louisburgh) take 15 minutes multiple times daily. Bikes or buggies enhance exploration on car-light roads.

• Key Sites: O’Malley Castle, the abbey with medieval tombs, and seal-haunted shores.
• Wildlife: Puffins, dolphins, and basking sharks in summer.

Inishbofin: Connemara’s Serene Retreat

Inishbofin, west of Connemara, spans 2 square miles with white sands, dunes, and East and West Quays. Its mild climate surprises with better weather than the mainland. Narrow roads suit walking or biking, revealing bird cliffs and a Napoleonic signal tower. Population ~160 keeps it peaceful.

15-20 minute ferries from Cleggan or Letterfrack. Overnight in guesthouses for pre-tourist mornings.

Tory Island: Donegal’s Remote Artistic Haven

9 miles off Donegal, Tory Island (5 square miles, 144 residents) feels worlds away. Irish dominates, with English for visitors. No cars on ferries; explore by foot across four towns: East, West, Middle, and New. Famous for its artists’ colony and the “King of Tory” tradition. West cliffs host gannets and storms.

Regular ferries from Magheradooey or Bunbeg hold 70 passengers. Stays limited to basic B&Bs.

Southern Gems: Cape Clear, Dursey, and More

Cork’s Cape Clear, off Baltimore, offers cottages, B&Bs, and glamping amid bird observatories. Europe’s southernmost Irish Gaeltacht, it’s birdwatchers’ paradise. Dursey Island, via cable car from Castletownbere, dangles over Atlantic swells—no cars, pure walks. Bere, Sherkin, and Valentia provide beaches and forts. Skellig Michael, UNESCO site, requires permits for monk beehive huts.

Northern Standouts: Rathlin and Beyond

Northern Ireland’s Rathlin, off Antrim, is largest there (55 square miles). Ferries run frequently; spot puffins at West Light Seabird Centre, the upside-down lighthouse. Devenish Island in Fermanagh Lough holds monastic ruins accessible by boat.

Planning Your Island Adventure

Best Time: May-September for ferries and weather; shoulder seasons for solitude.

Packing: Layers, waterproofs, sturdy shoes. Islands amplify wind and rain.

Sustainable Tips: Stick to paths, support locals, avoid single-use plastics.

Frequently Asked Questions

How do I get to the Aran Islands?

Ferries from Rossaveal, Galway, or Doolin; flights from Inverin.

Are cars allowed on Irish islands?

Limited; many favor bikes or walking. Tory bans them.

What’s the population of Inis Mór?

Around 845 per 2011 census.

Can I stay overnight on Rathlin Island?

Yes, with B&Bs and self-catering.

Are Irish islands family-friendly?

Yes, with beaches, easy hikes, and wildlife for all ages.