It was originally the residence of the bishops of Bayonne, France, during the 17th and 18th centuries, when Hondarribia was part of the territory of the bishopric of Bayonne. The building has a baroque and neoclassical architectural style, with an imposing façade and ornamental details. Today, the Bishop's Palace houses a hotel offering high-quality accommodation in a historical and cultural setting. The building is an important part of Hondarribia's architectural heritage and a prominent tourist attraction in the region.

Built in the 15th century, this church is an important example of Basque Gothic architecture. The church has an impressive Gothic style façade, with ornamental details and a prominent bell tower. Inside, the church has a rectangular main nave, side chapels and a main altar. The decoration includes baroque and Renaissance elements, as well as numerous works of religious art. The Parish Church of Our Lady of the Assumption is an active religious center that hosts liturgical celebrations and religious events throughout the year. In addition to its spiritual importance, it is a point of cultural and historical interest in Hondarribia, attracting visitors interested in its architecture and religious legacy.

Built in the 15th century, this palace is famous for being the place where Queen Juana I of Castile, known as Juana la Loca, was held against her will for part of her life. The palace presents typical architecture of the time, with a stone façade and ornamental details. Although there is no concrete evidence that Juana la Loca resided there, local legend maintains that she was imprisoned here by order of her father, Ferdinand the Catholic, and his son, Emperor Charles V. Today, the Eguiluz Palace is a point of historical and cultural interest in Hondarribia, attracting visitors interested in the story of Juana la Loca and traditional Basque architecture. The building has been restored and retains its historical charm, being part of the city's architectural heritage.

The panoramic view over Txingudi Bay from Hondarribia offers an impressive view of the mouth of the Bidasoa River, where Spain, France and the town of Hendaye meet. From this elevated viewing point in Hondarribia, you can see a wide expanse of the bay, with its calm waters, the surrounding hills and, on clear days, the Pyrenees mountains in the background. This panoramic view is appreciated for its natural beauty and geographical importance, as Txingudi Bay is an area of great ecological value and an important habitat for migratory birds. Additionally, the panorama offers a glimpse of the cultural interaction between Spain and France, with the nearby city of Hendaye visible on the French coast. It is a popular spot for visitors who want to enjoy the views, take panoramic photographs and appreciate the beauty of the natural environment.

It was built in the 19th century by order of Emperor Charles V of Spain, although it was built on the remains of a previous fortress from the 10th century. The castle was designed as a strategic defense to protect the city and its port against enemy incursions from the sea. It features robust and military architecture, with stone walls, watchtowers and an elevated position that dominates the surrounding environment.

Built in the 16th century, this gate is one of the main entrances to the old town of Hondarribia and a prominent element of its architectural heritage. The Puerta de San Nicolás presents a semicircular arch flanked by defensive towers, typical of the military architectural style of the time. It is located in a strategic location near the port, which made it vital to control access to the city from the sea. Today, the Puerta de San Nicolás is a point of tourist interest in Hondarribia, attracting visitors interested in its history and architecture. In addition to its historical value, the gate is an integral part of the charm of the city's old town and a sign of its medieval legacy.

The Plaza de las Cadenas in Hondarribia, also known as Plaza Guipuzkoa, is located near the port and Calle Mayor, one of the main arteries of the municipality. Its name comes from the chains that were formerly placed in this square to prevent enemy ships from entering the port. It is a large and open square, with a charming and welcoming atmosphere. It is surrounded by historic Basque-style buildings and is home to numerous bars, restaurants and shops, making it an ideal place to enjoy local cuisine and the lively city atmosphere. Cultural events and festivities are occasionally held in this square, adding even more attraction to this iconic space in Hondarribia.