Monastry Ruin, Inishbofin, Co Galway
Monastry Ruin, Inishbofin, Co Galway Courtesy Roisin Murray and Imelda Reidy

Inishbofin Island – Forts and Barracks

📍 Inishbofin, Galway

🏛️ Attraction

Last updated: 22 June 2026

Overview

Inishbofin (Irish Inis Bó Finne, meaning “Island of the White Cow”) sits roughly 11 km off the County Galway coast, sheltered by the sweeping curve of Cleggan Bay. Measuring just 5.7 km by 4 km, this car-free island is home to around 170 permanent residents who have cultivated a reputation for warm hospitality, exceptional local food and a vibrant traditional music scene. As Ireland’s first Eco Certified island, Inishbofin operates on a slow-tourism ethos. Visitors are encouraged to trade motorised transport for bicycles, leave their phones behind, and let the Atlantic rhythm set the pace.

Getting to the Island

Access is via the Inishbofin Island Discovery ferry from Cleggan Harbour. During the summer months, the service runs three times daily, dropping to a single sailing in winter. The crossing takes 30–40 minutes. From Galway City, Citylink operates daily bus services timed to connect with the morning departure. Cars cannot travel on the ferry, but secure parking is available at the mainland pier. Bicycles are welcome for a €10 fee, and on-island hire is available through Kings Bicycle Hire, which supplies mountain and hybrid bikes, helmets and marked route maps.

A Landscape of Saints, Soldiers & Sailors

View, Cromwell's Barracks, Inishbofin Island, Co Galway
View, Cromwell's Barracks, Inishbofin Island, Co Galway Courtesy Fionnán Nestor

Human presence on Inishbofin stretches back roughly 10,000 years. The first documented record comes from 668 AD, when Saint Colmán established a monastery that endured until the 10th century. Today, the ruins of his 14th-century chapel sit quietly in a graveyard overlooking the sea.

The island’s strategic harbour made it a prize for later powers. In the 16th century, the legendary pirate queen Grace O’Malley (Gráinne Mhaol) is said to have used Dún Gráinne, a stone fort on the western cliffs, as a base, even stretching an iron chain across the harbour mouth to deter enemies. Archaeology shows the fort’s foundations actually predate her by centuries, anchoring it in the island’s Iron Age past.

By 1652, Oliver Cromwell’s forces had seized the island and built the distinctive star-shaped Cromwell’s Barracks at the harbour entrance. During the brutal campaigns that followed, the site doubled as a penal colony for captured Catholic clergy. Cromwell’s troops also felled every tree on the island for shipbuilding and fuel; the salt-heavy Atlantic air prevented regeneration, leaving Inishbofin treeless to this day.

Walking, Cycling & Coastal Adventures

The island’s flat, gentle terrain makes it ideal for walking and cycling. Three official looped routes radiate from the main pier:

  • Westquarter Loop (8 km, approx. 2 hours) passes the rare sea-cave blowholes and Trá Gheal beach.
  • Cloonamore Loop (8 km, 2 hours) skirts East End Bay and St. Colman’s ruins.
  • Middlequarter Loop (5 km, 1.5 hours) offers sweeping views of Achill Island and the Twelve Bens mountain range.

For water-based exploration, guided sea kayaks and stand-up paddleboards navigate the crystal-clear harbour, while certified dive clubs take advantage of some of Ireland’s most transparent coastal waters. Several beaches, including Dumhach Beach and East End Bay, have earned Green Coast awards for their clean waters and unspoiled sands.

Wildlife & Nature

The surrounding waters and grasslands support a surprising density of wildlife. Stags Rock hosts a resident seal colony, while a second, less disturbed group gathers near Inishgort Island. Birdwatchers visit between April and July to spot puffins, Manx shearwaters, Arctic terns and the elusive corncrake, a species of high conservation value in Ireland. Early mornings and late afternoons offer the best visibility, particularly when the tide exposes the rocky pools where smaller marine life congregates.

Food, Music & Island Life

Despite its size, Inishbofin punches above its weight in hospitality. The island hosts five restaurants and several bars, ranging from the waterfront dining at The Beach and the family-run Doonmore Hotel to the Inishwallah food bus, which serves a fusion of Asian and Irish coastal flavours. Traditional music is woven into daily life; impromptu sessions spill out of local pubs year-round, peaking during the summer months.

The calendar highlights include the Inishbofin Arts Festival (early May), a weekend of theatre, visual arts and live music, and the Bia Bo Finne Food Festival in October, which showcases local producers and seasonal Atlantic catches.

Practical Information

  • Check tide tables before visiting Cromwell’s Barracks; the causeway is only safe and accessible at low tide.
  • Book ferry tickets in advance during peak summer months, as the vessel has limited capacity.
  • Pack layered, waterproof clothing. Atlantic weather shifts rapidly, and exposed coastal paths can be windy even in summer.
  • No centralised booking system: Contact guesthouses, hotels and self-catering providers directly for accommodation availability.
  • Leave no trace: As an Eco Certified destination, the community relies on visitors to respect the landscape, stick to marked paths and dispose of waste responsibly.

Cross the ferry, hire a bike, follow the coastal loops at your own speed, and let the island’s layered history and Atlantic atmosphere do the rest.