Sea: sailing has become increasingly popular in the last thirty years, in particular in the Costa Smeralda area; the first Italian challenge in America’s Cup hailed from there. There are many ports everywhere, and some places are reachable only by boat. Do not miss this opportunity if you like to sail.
Islands: while not many, the islands are generally of interest; check in particular the Asinara National Park (famous for its Albino Donkeys) and the Maddalena archipelago in the North, the islands of San Pietro (a community of Genoese fishermen), and Sant’Antioco (actually connected to the mainland since Roman times) in the South.
Beaches and coasts: the North and Northeast (from Stintino to Budoni) boast many beautiful beaches. The Eastern coast is also very interesting: Cala Gonone, Arbatax, Muravera, and Villasimius, to name a few. The deep South (Chia, Pula) is quickly growing as a major tourist attraction. The western coast is of a very different character; large beaches some kilometers long can be found (Porto Pino, Marina di Gonnesa, Marina di Arbus). Of note is Piscinas (Marina di Arbus) with its 60 m-tall sand dunes. Finally, the Alghero area is renowned for its underwater caves and grottoes and attracts many scuba divers.
Hills and ‘Mountains’: while Sardinia’s highest elevation does not reach 2000 m (6500 ft), do not be fooled: the terrain is steep, snowfalls in winter, and there are four ski resorts in the Gennargentu area. Hills are everywhere in Sardinia, from the Northeastern Monte Limbara Range to the Iglesiente area in the Southwest, even on the outskirts of Cagliari.
The advantage is that people (including Sardinians) generally fill the beaches and leave the rest nearly deserted. A popular destination for mountain climbers is the Domusnovas area (close to Iglesias), with its nice vertical walls of limestone. Large caves are accessible (Dorgali, Oliena, Santadi, Domusnovas, Fluminimaggiore, Alghero). There are many hiking trails (though not always well signaled) for beginners and veterans alike.
Horseback Riding: Sardinia has a long tradition of horse riding. The Sardinian Anglo-Arab is a horse breed that was established in Sardinia. Nowadays there are several farms and B&Bs offering horseback riding or horse trekking tours. Riding through woods and along beaches is a very popular tourists attraction.
Monuments and sites: Sardinia has few known monuments but many are well worth visiting. Check in particular Cagliari (Sard. Casteddu, Castle), Oristano, Sassari, Alghero, Olbia, and Nuoro. Nuraghi and Domus de janas (Sard. for witch houses) are found in many places, in particular in Barumini (Su Nuraxi, on the UNESCO list of World Heritage Sites since 1997) and around Alghero. Tharros, Nora, and Monte Sirai (just off Carbonia) are fine examples of the Phoenician/Carthaginian presence. Roman remains are also found in Sardinia, among which Nora, the Sant’Antioco bridge or the Amphitheatre in Cagliari; the Antas site in Fluminimaggiore is also of interest, even if the present temple is actually a reconstruction of the original. Pisans have left important traces in the South (Cagliari, Iglesias) and the well-preserved Castello di Acquafredda (It. for cold water castle) near Siliqua is worth a visit, as well as the back country. Bosa is of interest for its medieval urbanism; Burgos (Castle of Goceano) is also worth a visit. Some fine churches are found in the island, from the early Christian times to the Baroque period, in the aforementioned cities but also in Porto Torres and Iglesias (Spanish for church). Examples of industrial architecture can also be found in and around Cagliari, in Porto Torres, and in the Sulcis-Iglesiente area, where organized tours can be booked to visit mines, for instance, the Buggerru mines with galleries just above the sea. Finally, several museums dedicated to Sardinia are of interest; the Museo sardo di antropologia ed etnografia and the Museo Archeologico Nazionale in Cagliari, and the Museo etnografico sardo in Nuoro are important starting places.