The average real estate prices in Sesimbra, particularly around the Castelo area, vary significantly based on property type and proximity to the coast. As of late 2023, residential properties can range from approximately €1,500 to €3,500 per square meter. For instance, a small apartment with sea views might be listed around €200,000 to €300,000, while larger villas or houses can exceed €600,000, especially those with direct beach access or modern amenities. Properties in historic locations, such as those near the Castelo de Sesimbra, often command a premium due to their unique character and tourism appeal. Additionally, average rental prices for seasonal properties typically range from €800 to €1,500 per month, influenced by demand during the summer months.