Isles of Scilly

The Isles of Scilly are a remarkable archipelago of low-lying, subtropical-feeling islands lying around 45 kilometres off the tip of Cornwall, England, comprising five inhabited islands, St Mary’s, Tresco, St Martin’s, St Agnes, and Bryher, alongside dozens of smaller uninhabited islets and rocks including Samson, Annet, and the numerous skerries of the Western Rocks and Norrard Rocks.

Warmed by the Gulf Stream, Scilly enjoys Britain’s mildest climate, allowing the famous subtropical gardens of Tresco Abbey to flourish and supporting a globally significant flower-growing industry that once shipped early spring daffodils to markets across mainland Britain, giving the islands a floral trade that, at its Victorian and Edwardian peak, dominated the local economy for months of every year.

History

St Mary’s, the largest and most populous of the islands, is home to the archipelago’s only town, Hugh Town, and contains within its own boundaries several smaller tidal islets that connect to the main island at low water, including Toll’s Island, Taylor’s Island and Newford Island. Tresco, the second largest, is largely privately managed and home to the celebrated Abbey Garden, established in the 1830s on the site of a former Benedictine priory and now home to more than 20,000 plant species from around the globe, many of which could survive nowhere else in Britain outside this uniquely mild archipelago.

Island life

St Agnes, the southernmost permanently inhabited island in the whole of the United Kingdom, is linked at low tide to the smaller island of Gugh by a sandy tombolo, while Bryher’s rugged, Atlantic-facing Hell Bay stands in dramatic contrast to its sheltered eastern shore facing Tresco. St Martin’s, the northernmost of the inhabited islands, is known for its red-and-white-banded daymark and for the flower farms that still operate along its eastern fields, one of the last remaining working reminders of Scilly’s once-dominant bulb-growing industry.

Wildlife

Beyond the five inhabited islands, Scilly’s uninhabited islets and rocks form some of the most important seabird habitats in southern Britain. Annet, a designated bird sanctuary closed to public landing during the breeding season, supports one of the largest colonies of Manx shearwaters and storm petrels in England, while Samson, evacuated in the 1850s, preserves the abandoned cottages and field systems of its former islander community, now reclaimed by bracken and grazed only by visiting sheep. The scattered rocks of the Western Rocks and Norrard Rocks, though largely indistinguishable from the water beyond their individual names, have claimed numerous ships over the centuries, their treacherous waters responsible for one of the worst disasters in Royal Navy history.

The islands’ clear, shallow turquoise waters and white sand beaches have earned frequent comparisons to the Caribbean, drawing visitors seeking a uniquely mild and unspoiled corner of England, while the surrounding waters, treacherous with hidden rocks, have claimed numerous historic shipwrecks, including the 1707 disaster that killed Admiral Sir Cloudesley Shovell and nearly 2,000 sailors when four Royal Navy warships struck the Western Rocks in fog and darkness, a catastrophe that directly led to the creation of the Longitude Prize and, ultimately, to the development of the marine chronometer that transformed maritime navigation.

Scilly is administered as its own unitary authority, distinct from the rest of Cornwall, reflecting its unique character, remoteness, and long history of semi-autonomous governance under a succession of lease-holders, most notably the Dorrien-Smith family, who have managed Tresco under a long lease from the Duchy of Cornwall since the 1830s. The islands’ economy today rests on a combination of tourism, fishing, and a much-reduced but still active flower-growing trade, alongside a small but resilient farming sector adapted to the archipelago’s sandy, wind-exposed soils.

Visiting

Accessible by ferry from Penzance or by air from Land’s End, Newquay, and Exeter, the Isles of Scilly remain one of the most distinctive and beloved island groups anywhere in England, a place where fifty-some named islands and countless further rocks and skerries combine to form a single, tightly interconnected archipelago unlike anywhere else on the British coastline.

Further west still, beyond even the Western Rocks, stands Bishop Rock, home to a lighthouse first lit in 1858 and once recognised by Guinness World Records as the smallest island in the world to have a building on it. Successive lighthouses on this remote outcrop were repeatedly damaged or destroyed by Atlantic storms before the current granite tower was completed, a lasting testament to just how exposed and hazardous this westernmost extremity of England has always been for passing shipping. The archipelago as a whole is protected as a Site of Special Scientific Interest and an Area of Outstanding Natural Beauty, its combination of subtropical gardens, seabird colonies, ancient field systems, and treacherous outer rocks giving Scilly an ecological and historical richness entirely disproportionate to its modest total land area.