Bulgarian town of Kavarna is situated on the coast. It is believed that there is most pure in terms of the ecology of the area, so it is in the Gulf Aliakrinsky was open farm for the breeding of mussels "Alboka" ("Deep"). Farm was created in 1993, its specialization is the cultivation and manufacture of black sea mussels Muthilus Gallaprovincialis, environmentally friendly and safe for human consumption as food (produces about two or three thousand tons).

Farm "Alboka" is the largest enterprise of this profile in Bulgaria. It is the territory of slightly less than 160 acres from the coast and is located five hundred meters. In this place dwells in the water a large amount of plankton, which is crucial for the construction of a farm for the breeding of mussels. The surrounding area of the vertical cliffs that lead towards pebble beach. No more buildings at this point. Farm itself resembles in its appearance the oil platform, in addition, here erected treatment plants.

To standard size 4 centimeters mussels grow to about 18 months. These clams have a very high nutritional value, nutritionists dubbed mussels a source of optimism – they contain specific amino acids that improve digestion enzymes, strengthens the vascular system of matter and more than 30 micro - and macroelements. The Romans in the diet of wounded warriors definitely added mussels to restore power.

For tourists to the farm for the breeding of mussels organized excursions. Everyone will be able to try the mussels working here in the restaurant "Delboca," which offers a menu of about 60 dishes prepared solely with the use of these shellfish. This applies even desserts. In addition, a beautiful sea view right from the restaurant.

In Kavarna since 2003 at the beginning of September festival of mussels and fish, guests are treated to a variety of seafood and beer. In addition, to create a festive atmosphere in the Central square hosts concerts and dancing.