Castro Urdiales: Discover Cantabria’s Historic Coastal Gem
Castro Urdiales is one of the most attractive seaside towns in northern Spain. Located on the eastern coast of Cantabria, between Bilbao and Santander, the town combines a rich maritime history, beautiful beaches, impressive monuments and excellent seafood. Once an important Roman settlement and later a thriving fishing port, Castro Urdiales has preserved much of its historic character while developing into a popular holiday destination. Visitors can explore medieval streets, relax on sandy beaches and enjoy spectacular views of the Bay of Biscay. Its location also makes it an ideal base for exploring nearby destinations such as Santander, Bilbao and other coastal towns along Spain’s Green Coast.
What to see and do
The most iconic landmark in Castro Urdiales is the magnificent Church of Santa María de la Asunción. Built between the 13th and 15th centuries, this Gothic church stands dramatically above the harbour and is considered one of the finest examples of Gothic architecture on the Cantabrian coast. Visitors can admire its impressive façade, beautiful interior and stunning coastal setting. Guided visits are available and can be particularly worthwhile during the busy tourist season. Buy Tickets
Next to the church stands the Castle-Lighthouse of Santa Ana. This medieval fortress once protected the town from attacks arriving by sea. Today, visitors can climb to the lighthouse and enjoy panoramic views of the harbour, coastline and old town. Due to limited opening times, it is advisable to check access in advance. Buy Tickets
Below the castle lies the historic Santa Ana Bridge, a picturesque stone bridge that connects the headland to the old town. Together, the church, castle and bridge create one of the most photographed scenes in Cantabria.
History enthusiasts should visit the Roman Archaeological Site of Flaviobriga. Castro Urdiales was founded by the Romans under the name Flaviobriga, and archaeological remains reveal important details about the settlement’s history. The site provides fascinating insight into the town’s ancient origins.
The old town itself is well worth exploring. Narrow streets, colourful buildings and lively squares reflect centuries of maritime heritage. Walking through the historic centre allows visitors to discover local cafés, traditional taverns and attractive viewpoints.
For beach lovers, Brazomar Beach offers a wide stretch of golden sand close to the town centre. Families particularly enjoy its calm waters and convenient location. The beachfront promenade is ideal for walking and enjoying views of the bay.
Nature lovers can follow sections of the coastal walking paths that surround Castro Urdiales. These routes offer spectacular scenery and connect several beaches, cliffs and viewpoints. Photography enthusiasts will find numerous opportunities to capture the beauty of Cantabria’s coastline.
Visitors interested in local culture should also visit the harbour area. Fishing boats continue to operate here, maintaining the town’s long connection with the sea. Watching the daily activity around the port provides a glimpse into traditional coastal life.
Local festivals and traditions
Castro Urdiales hosts several lively festivals throughout the year. One of the most famous is the Coso Blanco festival, celebrated in July. During this event, elaborately decorated floats parade through the streets, accompanied by music, dancing and fireworks. The festival attracts visitors from across northern Spain.
The town’s Holy Week celebrations are another important tradition. Religious processions pass through the historic streets, creating a solemn yet beautiful atmosphere. The historic setting of the old town adds to the experience.
Another popular event is the Feast of San Andrés in November. Residents celebrate with local food, music and cultural activities. Traditional customs remain an important part of community life and help preserve the town’s heritage.
Fishing traditions continue to influence local culture. Seafood plays a central role in many celebrations, while local restaurants proudly serve dishes prepared using recipes passed down through generations.
The maritime character of Castro Urdiales is visible throughout the year. From fishing boats in the harbour to community events linked to the sea, visitors quickly discover the strong connection between the town and the Bay of Biscay.
Where to stay
The historic centre is one of the best places to stay in Castro Urdiales. Accommodation here places visitors within easy walking distance of the main attractions, restaurants and harbour. The atmosphere is especially enjoyable during the evening when the streets come alive with local activity.
The area around Brazomar Beach is another excellent choice. Hotels and apartments near the beach provide easy access to the sea while remaining close to the town centre. This area is particularly popular with families.
Visitors looking for scenic views should consider accommodation near the harbour and the church district. Many properties enjoy beautiful outlooks over the coastline and historic monuments.
For a quieter stay, the residential areas on the outskirts of the town offer a more peaceful environment while remaining close enough to explore the centre on foot or by car.
Whether you choose a boutique hotel in the old town, a beachfront apartment or a modern guesthouse, staying near the historic centre or waterfront will help you enjoy the best of Castro Urdiales. Book Accommodation
How to get to Castro Urdiales
Castro Urdiales enjoys an excellent location between Bilbao and Santander, making it easy to reach from both cities and other parts of northern Spain.
The nearest airport is Bilbao Airport, located approximately 40 kilometres away. Another convenient option is Santander Airport, which provides domestic and international connections.
Although Castro Urdiales does not have a mainline railway station, visitors can travel by train to nearby Bilbao or Santander and continue by bus. Rail services connect both cities with destinations across Spain. Check connections
Regular bus services connect Castro Urdiales with Bilbao, Santander and other towns throughout Cantabria and the Basque Country. Bus travel is often the most direct public transport option. Buy Tickets
Driving to Castro Urdiales is straightforward via the A-8 motorway, which runs along Spain’s northern coast. Travelling by car allows visitors to explore nearby beaches, villages and natural attractions at their own pace. Hire a Car If you are already in Spain, you can click here to get directions from your current location.
With its magnificent Gothic church, historic harbour, sandy beaches and vibrant traditions, Castro Urdiales offers an ideal mix of culture, history and coastal beauty. Whether you visit for a day or stay for a longer holiday, this charming Cantabrian town provides an authentic and memorable experience on Spain’s spectacular northern coast.