Coche Island is 55 km ², rises about 60 meters above sea level on the northern coast and is 11 km long (from E to O) and 6 wide (from N to S). It is a platform with a slightly hilly topography and Cretaceous origin. On the west coast dunes and salt flats stretch. It is a kind of table with a wavy relief by erosion and slightly sloping from north to south. In fact, the north coast is steep, with beautiful rock formations of different colors that have been cut along a large fault, just as happens with North Cubagua. No permanent streams and it has to get through Tierra Firme underwater aqueduct Margarita. Its population is concentrated in a few villages along the southern coast, especially in the provincial capital (Villalba Municipio), San Pedro de Coche, in the Parish Vicente Fuentes. In car are also the villages of El Bichar, Güinima, El Amparo, El Guamache Car and Grape, the latter being the only village (70 inhabitants in 1990) located north of the island.

The name of the island comes from the term indigenous car, deer stands, abundant before the arrival of the conquistadors to the island; and rabbits, the latter remain.

Among the highlights of Güinima villages which had 1,023 inhabitants in 1990. A highway runs along the southern coast of the island and another for the northern coast, reached a beautiful newly built chapel. The southern coast is the natural port of Bichar, half closed by the Conejo tip; is shallow. The island vegetation is extremely poor and eminently xerophytic which is due to low rainfall, not reaching annual average of 300 mm., Coupled with the intense sunlight that gives rise to a huge water deficit of about 2,000 mm. annual. The average temperature is 27.5 ° C, tempered by trade winds NE in fact, constantly acting on the island.