The Castle of Sesimbra, also known as Castle of the Moors, is a castle located in the town of Sesimbra, in the Setúbal District of Portugal. It was classified as a National Monument on 16 June 1910.

The Castle of Sesimbra, also known as the Castle of the Moors, is an impressive Portuguese fortification located in the town of Sesimbra. Built on a strategic position on a cliff overlooking the bay, the castle has been standing since prehistoric times and has served throughout its long history as the only defensive bulwark capable of protecting this part of Portugal from attack. For centuries, mariners and traders used its walls to protect themselves from pirate raids and enemy invasions. Today it still stands proudly, facing the sea with its imposing towers and providing breathtaking views of the sun setting over the water. Tourists can explore its walls, while guided tours will take them through its varied history for an unforgettable experience.