The Gulf of Asinara is a sea sector included between the Asinara Island, Cape Falcone and the town of Castelsardo

Castelsardo

Castelsardo is a town and comune in Sardinia, Italy, located in the northwest of the island within the Province of Sassari.-History:Archaeological excavations have showed the human presence in the area of Castelsardo since pre-Nuragic and Nuragic times, as well as during the Roman domination in...

, in northern Sardinia

Sardinia

Sardinia is the second-largest island in the Mediterranean Sea . It is an autonomous region of Italy, and the nearest land masses are the French island of Corsica, the Italian Peninsula, Sicily, Tunisia and the Spanish Balearic Islands.The name Sardinia is from the pre-Roman noun *sard[],...

, Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

. The communes facing its coast include also Stintino

Stintino

Stintino is a coastal comune in the Province of Sassari in the Italian region Sardinia, located about 200 km north of Cagliari and about 35 km northwest of Sassari....

, Porto Torres

Porto Torres

Porto Torres is a comune and city in northern Sardinia, in the Province of Sassari.It is situated on the north coast about 25 km east of the Gorditanian promontory , and on the spacious bay of the Gulf of Asinara.-History:...

, Sassari

Sassari

Sassari is an Italian city. It is the second-largest city of Sardinia in terms of population with about 130,000 inhabitants, or about 300,000 including the greater metropolitan area...

, Sorso

Sorso

Sorso is a comune of c. 14,700 inhabitants in the province of Sassari in the Italian region Sardinia, located about 8 km north of Sassari.-Overview:...

, Valledoria

Valledoria

Valledoria is a town and comune in the province of Sassari situated on the Gulf of Asinara, near the mouth of the Coghinas river.-History:...

 and Badesi.

The littoral features several beaches, some kilometers long, such as La Pelosa, le Saline Ezzi Mannu and Fiume Santo, those near Porto Torres

Porto Torres

Porto Torres is a comune and city in northern Sardinia, in the Province of Sassari.It is situated on the north coast about 25 km east of the Gorditanian promontory , and on the spacious bay of the Gulf of Asinara.-History:...

, Platamona

Platamona

Platamona is a coastal area in northern Sardinia, located along the Gulf of Asinara, in the municipality of Sassari, between the commune of Sorso and Porto Torres....

, the beaches of Castelsardo, Valledoria, Badesi, Trinità d'Agultu, Vignola and Isola Rossa.