Capo Sperone

At the southernmost point of Sant'Antioco, Capo Sperone opens into cliffs, pocket coves and offshore volcanic islets — Vacca, Vitello and Toro. An abandoned naval semaphore stands above one of Sardinia's loneliest seascapes.

Why it matters

SardegnaTurismo frames the promontory as the island's southern tip, where an extremely ragged coastline alternates cliffs with small sandy coves and the water shifts through turquoise into deep blue. Both the regional and the municipal tourism portals treat the headland and its islets as a protected conservation zone, and the wildlife is the reason: on the islet of Vacca, the regional portal records colonies of yellow-legged gulls, shags, Scopoli's shearwaters and Eleonora's falcons. Geologically, the islets are ancient volcanoes rising from the sea, and the islet of Toro marks the southernmost point of Sardinian territory. The Italian environmental foundation FAI has listed the Cliffs of Capo Sperone again and again in its I Luoghi del Cuore public campaign — editions running from 2006 to 2022 — a measure of how strongly people feel about this place. The horizon remains largely open, framed by the promontory and offshore islets.

What to notice

Cistus, lentisk, strawberry tree and juniper cover the cliffs, alongside prickly pear and spring peonies. The western cliffs face the Gulf of Palmas; on the sheltered eastern flank, a beach of sand and pebbles extends along the water. Offshore, Vacca, the largest islet, rises to 94 metres. At the summit stands the former semaphore, built in 1887 as a naval signalling station, later reused as a military radar post and abandoned in 1957; it sits about 175 metres above sea level.

Context and history

This corner of the Sulcis has long been defined by traffic at sea. The watchtower of Cannai belonged to the coastal defensive chain against Barbary raids; the semaphore of 1887 translated that role into the telegraph age, signalling to shipping until it slipped into disuse after its radar years. The regional portal's mention of the Special Conservation Zone shows the modern turn: defense has given way to habitat protection, with the islets managed for the seabirds that nest there. Inland, the landscape stays agricultural — vineyards, olive groves and pastures according to the municipal page — because this is Carignano country, the windy wine coast of the Sulcis. The promontory brings together successive layers of the Sulcis coast: maritime settlement, coastal defence, naval signalling and protected nature.