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Home » Enjoying » Places to visit » Pembrokeshire's Islands » Skomer


Skomer is the largest of the Pembrokeshire islands, a national nature reserve of international importance for its seabirds.

Puffins proudly walk alongside the footpaths, guillemots and razorbills fill the air with their chatter, while seals moan lazily from the shoreline.

In spring and early summer the island is carpeted blue, pink and white by one of the best wildflower displays in Britain. It’s also a good place to see seals, and in spring and early summer has some of the best wildflower displays in western Britain.

Skomer Island Puffins © Adrian Owens
Skomer Island puffins © Adrian Owens.

Owned by Natural Resources Wales and managed by the Wildlife Trust of South & West Wales, Skomer is open for day visits and overnight stays in its sustainably run hostel. Landing fee applies.

Getting there: April to October, landing trips from Martins Haven, also round trips, all operated by Dale Sailing.
Staying there: April to October, contact Wildlife Trust island bookings (01239 621600).
Facilities: Compost toilets, visitors centre, sheltered picnic area, cosy self-catering accommodation, guided walks and events (07530796150 Visitor Officer).
Parking Area: National Trust car park: west grid ref SM715090 or park at West Hook Farm and Campsite (book ahead 01646 636424).

Skomer has the largest and most accessible colonies of seabirds in southern Britain. The cliffs are wall-to-wall seabirds - fulmars, razorbills, guillemots and kittiwakes. Puffins nest in burrows in the cliff-top turf, herring gulls and great black-backed gulls on rocky outcrops, lesser black-backed gulls on the plateau. The noise, smell and breeding activity continues night and day.

Razorbill on Skomer Island.

The island has more than 200,000 pairs of Manx shearwaters, possibly the largest colony of this species in the world. Feeding out at sea by day, they return to their burrows at night, heralded by their unmistakable eerie cries which once gave Skomer a reputation as the "island of lost souls". Staying overnight on Skomer is an unforgettable experience.

Evidence of human presence goes back to the Bronze Age, in the form of a solitary standing stone known as the Haroldstone and a group of nine small burial cairns. But the most important archaeological remains date from the Iron Age (650 BC - 100 AD) when more than 200 people were thought to have lived here. There are traces of four settlements, a small promontory fort, and some of the best-preserved Iron Age field systems in Britain. In spring, before the vegetation grows up, these ancient field boundaries are clearly visible as lines of stones or stone and earth banks.

The island’s vegetation is pruned by wind and salt, manured and trampled by seabirds, and grazed by thousands of rabbits. Bluebells and red campion flourish in sheltered areas, with thrift and sea campion on the clifftops. There are no trees, although willow, bramble and blackthorn scrub survive in the valleys, and woodland indicator species such as bluebells suggest there were once extensive wooded areas.

The seabirds are a food supply for ravens, buzzards and peregrine falcons, which also breed and feed on the island. Several pairs of chough and a variable number of short-eared owls also breed here.

Skomer from the mainland
Skomer from the mainland.

There are no predatory mammals such as foxes or rats, hence the abundance of ground-nesting birds. The Skomer vole is unique to the island. Toads are present in their thousands, along with some frogs, palmate newts, lizards and slow-worms.

Grey seals are seen on rocks at low tide throughout the year, especially near the Garland Stone. From late August to October the female seals (cows) come ashore to have their pups.

The waters around Skomer, Skokholm and Middleholm are part of the Skomer Marine Nature Reserve, one of only three such reserves in the UK. Here you’re likely to see common porpoises, feeding on fish in the swirling waters. In late summer you may see common dolphins, as well as bottle-nosed and Risso’s dolphins, and also the strange sunfish.