Real estate prices in Santillana del Mar are influenced by several key factors. The town's rich historical significance and architectural beauty draw tourists and potential homeowners alike, leading to increased demand for properties. Proximity to attractions like the Altamira Caves and the scenic Cantabrian coastline also plays a crucial role, as properties closer to these sites tend to command higher prices. Additionally, the overall economic climate of Spain affects purchasing power and investment trends in the area. Seasonal fluctuations linked to tourism can impact short-term rental markets, with properties being more sought after during peak visitor seasons. Finally, local infrastructure development, such as improvements in transportation access or amenities, can enhance property values, making certain neighborhoods more desirable.