It is a borderland village of Faro district and is home to the city of 4 parishes Altura Azinhal Castro Marim Odeleite. This municipality is bordered to the north and northwest by Alcoutim, east by Spain, southeast of Vila Real de Santo António, the south by the beautiful Atlantic Ocean, southwest of Vila Nova de Cacela and west of Tavira.

Castro Marim rises from the old communities that marked and left testimonies, was conquered from the Moors by D. Paio Peres Correia in 1242, which was a time when Castro Marim was more fragile, having almost disappeared due to a large decrease in its population. In order to solve this problem, D. Afonso III, in 1277, and his son, D. Dinis, in 1282, granted forums, privileges, grants and donations.

Part of the living population of the land cultivation tasks, however, with its position near the salty and sweet waters, Castro Marim also subsisted of its food, which along with the food of the land, were products essential to the economy of the region, can easily negotiate these products with the Kingdom of Algarve and neighboring Andalusia.

In the reign of King Dinis, Castro Marim was recognized for its important geographic position, accepting by bula decreed by Pope John XXII, the first Order of Christ headquarters in 1319. Initially, the village developed within the castle walls, the top of the hill, remaining as head of the Order, which was based in the Church of Santiago, to the reign of King Peter, in 1356, and then transferred to take a smear signal of Castro Marim village, despite efforts and be a borderland village, the population is not fixed, suffering from depopulation.

In order to combat this problem and attract people to the village, Ferdinand I, who was in dispute with Castile in 1372 granted new favors and privileges to neighbors who were there and later noticed the ruins of Castro Marim. In 1375, this village was given back to the Order of Christ with new rights and privileges, but only briefly.

Over the centuries, the Algarve has undergone changes since Prince Henry, son of King John I, Master of Avis, has found this region the perfect and convenient location for overseas wars of conquest. Thus, Castro Marim again have charter granted in 1504 by King Manuel I. This went on to play a key role in the fight against Muslim piracy, which was very close to Morocco, transforming Castro Marim the main square of the Algarve war . In 1509, King Manuel I had built the castle and rebuilding the village.

Over the years, Castro Marim became a point of safety and fishing and commercial port, enhancing the development of the population. In the fifteenth and sixteenth century reached its zenith, resulting in the appearance and growth of two new parishes, Our Lady of the Visitation in Odeleite, mentioned in the Visitation of 1534, and the other, the “Chapel Cured of the Holy Spirit” (Holy Spirit ) of Azinhal, referenced in 1565. in 1993, Height was the latest parishes to be created in the municipality of Castro Marim.

Therefore, since the late Middle Ages to the sixteenth and seventeenth centuries, the village of Castro Marim had a fishing and commercial port quite important. During the wars of restoration in 1640, the castle was restored in the order of King John IV, and added new fortifications, including Fort of São Sebastião, which increased the walled structure.

In the eighteenth century, a strong earthquake struck, severely damaging the village, ruining homes that were within the medieval wall, making it almost uninhabitable.

Now growing outside the walls, which once within himself avenged village and grew, Castro Marim never regained all of its importance in ancient years.