Manilva is a municipality which lies on the coast at the southwesternmost edge of the Spanish province of Málaga on its border with the province of Cádiz in southern Andalusia, Spain.
The landscape consists of small hills separated by small rivers and valleys with a large karst limestone ridge lying behind the town itself.
There are three main centres of population, these being the main town of Manilva which is approx. 2 km inland; the coastal village of San Luis de Sabinillas (referred to as Sabinillas); and the small fishing village of Castillo de la Duquesa (referred to as Castillo) about 1.75 km to the west. Apart from these are numerous developments and urbanisations including the marina of Puerto de la Duquesa which are turning Manilva into a medium size coastal town.