Castillo de San Gabriel is a historic castle located on the small island of Islote de Fermina, which is opposite the town of Arrecife on the island of Lanzarote in the Canary Islands. The castle was built in 1574 as a fortress to protect the town from pirate attacks.The Castillo de San Gabriel is an example of 16th-century military architecture and consists of a star-shaped system of fortifications with bastions and masonry curtains. The interior of the castle houses a small archaeological museum that illustrates the history of the island, from prehistory to the colonial period.The castle can be visited both inside and outside. Outside, the castle offers a panoramic view of the town of Arrecife and the surrounding coastline. Inside, visitors can see the remains of an old chapel, a prison, and an old Spanish rifle.In addition, the Castillo de San Gabriel has recently been renovated and equipped with new technologies that make it even more interesting to visit. For example, inside the castle you can see multimedia panels that illustrate the history and archaeology of the island of Lanzarote.The castle also hosts various cultural events and temporary exhibitions, which offer visitors an even more complete experience. In summary, the Castillo de San Gabriel is one of the main tourist attractions in Arrecife and a must-see for those visiting Lanzarote.