Teän
Teän is a small uninhabited island in the Isles of Scilly, lying to the northeast of St Martin's and forming part of the Eastern Isles group. It is one of the more remote and rarely visited islands in this remarkable archipelago, covering only a modest acreage but possessing a wild, elemental beauty that rewards those who make the effort to reach it. The island is notable for its extraordinary wildlife, particularly its seabird colonies and grey seal populations, and for the sense of true isolation it offers — something increasingly rare in the modern world. Teän sits low in the water, its profile gentle and windswept, with rocky foreshore, patches of rough grassland, and the kind of undisturbed natural habitat that has all but disappeared from mainland Britain.
The island's history is more layered than its current emptiness might suggest. Archaeological evidence shows that Teän was once inhabited in prehistoric times, and later during the Bronze Age, with field systems and cairns visible on the surface. The island was also farmed during the medieval period and into the early modern era, with ruins of a small chapel dedicated to St Theona surviving on the island — from whom the name Teän is likely derived. This Saint Theona connection hints at the early Christian tradition of hermitage and retreat that characterised many of the Scillonian islands, which were favoured by Celtic monks seeking isolated spots for contemplation. By the eighteenth and nineteenth centuries, the island had been largely abandoned as a permanent settlement, though it may have seen use for grazing and seasonal activity.
The physical character of Teän is defined by its low-lying but rocky terrain, encircled by beaches of pale shell sand and exposed granite outcrops that take on warm amber and pink hues in good light. The vegetation is a mix of coastal grassland, bracken, and heath, alive in spring and summer with wildflowers. The soundscape is dominated by the sea — the constant wash and surge of Atlantic swell against the rocks — alongside the calls of shearwaters, oystercatchers, terns, and the haunting bark of seals hauled out on the surrounding rocks and beaches. The air carries the clean salt tang that is quintessential Scilly. Visiting on a calm summer day, the island feels profoundly peaceful and untouched.
The Eastern Isles group, of which Teän is part, consists of a scattering of small islands and rocky islets northeast of the main inhabited island of St Martin's. The area is a paradise for wildlife enthusiasts and kayakers, and the inter-island waters are rich in marine life. Nearby islands include Great Ganilly, Little Ganilly, Great Arthur, and Nornour, the last of which yielded an important Romano-British shrine with votive objects now housed in the Isles of Scilly Museum on St Mary's. The combination of archaeology, wildlife, and scenery in this corner of the archipelago makes it one of the most rewarding areas in all of Scilly for exploration.
Access to Teän is only possible by private boat or sea kayak, as there are no regular passenger ferry services to the uninhabited Eastern Isles. Visitors typically arrange boat trips from St Mary's or St Martin's, either through local boatmen who offer wildlife and island-landing excursions, or by hiring kayaks from operators on the islands. Landing requires care given the rocky, tidal foreshore, and conditions can change quickly in the Atlantic. The best time to visit is late spring through early autumn, with May to July offering long days, settled weather, and the peak of seabird nesting activity. Visitors are asked to be mindful of ground-nesting birds and seals, particularly during breeding season. There are no facilities of any kind on the island.
One of the most captivating aspects of Teän is the extraordinary quality of light found in the Isles of Scilly generally, but which feels especially concentrated on an empty island like this. The archipelago sits further south and west than anywhere else in England, and the light — bright, crystalline, and shifting — has long attracted artists and naturalists. The waters surrounding Teän are extraordinarily clear, ranging from turquoise to deep cobalt depending on depth and conditions, and the sensation of standing on an ancient, once-inhabited island surrounded by sea in every direction, with no sound but wildlife and waves, is one that stays with visitors long after they return to the mainland. The ruined chapel of St Theona, moss-covered and slowly returning to the earth, is a quiet and moving reminder that this lonely island once formed a small but real part of human civilization.