Casa de Santa Maria is an exquisite historical manor from the early 20th century that has become one of the most striking architectural symbols that the city of Cascais is proud of. Built in 1902 based on a design by the famous Raul Lino, this building represents a unique blend of Moorish motifs and the traditional style that Portugal was developing during those years.

The house is situated in the picturesque Santa Marta Bay and is an integral part of the coastal landscape. Originally conceived as a luxurious private mansion for an aristocratic family, it is now open to the public as a museum. The interiors' main highlights are the magnificent 17th-century azulejo panels and masterfully painted wooden ceilings, which turn every room into a work of art.
Currently, the Casa de Santa Maria is part of the "Museum Quarter" (Bairro dos Museus). This place attracts visitors not only for its history and artistic value but also for the harmonious combination of architecture with the surrounding nature — the house's terraces literally hang over the calm waters of the bay, creating an atmosphere of tranquility and aesthetic delight.