Neptune's Cave is a geological site where years of powerful, pounding waves have carved out a cavern filled with stalactites, stalagmites, and stunning water pools. First discovered by fishermen in the 18th century, you can reach Grotta Di Nettuno by boat or by land, but the latter involves a dizzying descent down the 654 steps of Escala del Cabirol.
Of all the beaches in Sardinia, this one takes some beating. Located just three miles southeast of Cagliari, Poetto Beach is where both visitors and locals flock to relax on its large, sandy shores. Shallow and translucent waters, as well as nearby cafes and restaurants make it ideal for families too. You might even spot the local pink flamingos.
Su Nuraxi is the most extensive of Sardinia's 7,000 discovered nuraghi (megalithic edifices). Their thick stone walls conceal dark chambers and narrow passageways, which can be explored in-depth on a guided tour. Although a UNESCO World Heritage listed site, the specific functions of individual nuraghi remain a fascinating mystery.
An ideal base for exploring the beaches and beauty spots of the nearby Riviera del Corallo, Alghero is one of Sardinia's most attractive medieval cities. Despite centuries of change, including time as a Catalan colony, Alghero has retained an independent spirit, where tightly-packed cobbled streets play host to some fantastic restaurants and bars.
Yet another impossibly pretty town, Bosa is a rainbow-coloured canvas of townhouses positioned on a steep hillside along the glassy Temo River. Discover remnants of its Phoenician and Roman past or simply soak up the sun on the idyllic Bosa Marina beach, which is lined by palm trees and overlooked by a 16th-century Aragonese defensive tower.