Discover Alfonsino Castle
Discover the history and charm of Alfonsino Castle in Brindisi, an unmissable place for every visitor.

What is the history of Alfonsino Castle?
The construction of Alfonsino Castle began in 1558 at the behest of Philip II of Spain. The works lasted a remarkable 46 years. However, the history of the fortification is older: as early as the 15th century, Alfonso I of Aragon decided to fortify the island, incorporating a previous Angevin structure. In the following centuries, the castle was expanded to protect Brindisi from maritime attacks.
What are the architectural features of the castle?
The castle has a trapezoidal plan, two pentagonal bastions, and a round tower. One of its peculiarities is the small internal port, accessible via an arched passage in the walls. Inside, two main parts can be distinguished: the Aragonese area, dating back to the 15th century, and the Forte a Mare, built in the 16th century. It develops over two floors, with a raised central courtyard and several galleries. Noteworthy is a hall with an ancient stone sink from 1527 and two bastions dating back to the 16th century.
Why is the castle called "Red Castle"?
The castle is also called “Red Castle” due to the color of the local stone used in its construction. This particular color gives the castle a unique and charming appearance, making it an ideal subject for photographs and tourist visits.
What should you know about Sant'Andrea Island?
The island has a conical shape and is entirely occupied by the castle. In the past, there was also a Benedictine abbey here, of which traces remain today preserved in the Archaeological Museum of Brindisi. For centuries, the island and the fortress have had different roles: prison, lazaretto, explosives depot. But today, after significant restorations, Alfonsino Castle has come back to life.
How can you visit Alfonsino Castle?
The castle can only be visited through a guided tour. The tour lasts about 50 minutes and is conducted by expert guides. Reservation is mandatory and it is advisable to book online to avoid waiting. During the visit, you can discover every corner of the fortress and admire splendid views of the sea.
What is the address to reach the castle?
The exact address is: Via Torpediniera Climene, 72100 Brindisi – Sant'Andrea Island. Here are some indicative directions for those arriving by car: From Lecce: about 45 minutes; From Ostuni: about 40 minutes; From Bari: about 2 hours and 20 minutes. Once you arrive at the port, you can board the island via a dedicated service.
Why is it worth visiting Alfonsino Castle?
Alfonsino Castle is not just a historical monument. It is a place rich in charm, immersed in nature, surrounded by the sea, perfect for those who want to know Brindisi from a different perspective. Whether you are a history enthusiast, a photographer, or simply a curious traveler, Alfonsino Castle will give you a unique experience.
What is the final advice for the visit?
Preferably visit it in good weather to fully enjoy the views and outdoor spaces. And don't forget your camera: Sant'Andrea Island offers unforgettable views. Book your visit and let yourself be enchanted by one of the most fascinating symbols of the Apulian coast.