Castle of Sines Castle in Sines, Setúbal, Portugal From Wikipedia, the free encyclopedia Castle of Sines[1][2][3] is a castle in Portugal. It is classified by IGESPAR as a Site of Public Interest. Castle of Sines in 2008 References [1]"Sines Castle". Portugal.com. 2023-08-09. Retrieved 2025-12-26. [2]"Sines Castle". EuroVelo Portugal. Retrieved 2025-12-26. [3]"Sines, home to Vasco da Gama". holiday-active.com. Retrieved 2025-12-26. 37°57′19″N 8°52′00″W This article about a castle in Portugal is a stub. You can help Wikipedia by adding missing information.vte Related Articles