Costa Rei is a frazione of the comune of Muravera in southern Sardinia.
It features a 12km long beach.
Costa Rei is a popular destination for tourists, most of which are from Germany or Italy.
It has a church and many stores selling Sardinian arts and crafts. Night time attractions include the mini-golf course at Sant' Elmo beach, nightclubs, and open-air movie theatres.
Coordinates: 39°15′7″N 9°34′26″E / 39.25194°N 9.57389°E