Today it is the dormitory of the Lisbon international working community and the "younger set" who enjoy the diverse and sophisticated the nightlife.
One of the most outstanding palaces is the Palácio de Conde de Castro Guimarăes that is open to the public and exhibits its own grand private collection that includes over 25.000 books and such rarities as an illustrated book by Duarte Galvăo(1455-1517). Also, most of the pre-historic finds from the Grutas de Alapraia are stored here. These were a series of underground caves only discovered in the late 19th Century. The Grutus do Poço Velho are located in the centre of the town and date back to the Neolithic period. On a much more modest scale is the Museu do Mar that depicts the story of Cascais and its fishing history. Just outside the town is the famous Boca do Inferno in which the sea on rougher days hammers into the rock and creates a booming noise and a spectacular spray thus creating its name which in English means "mouth of hell". Today, Cascais now boasts a smart new Marina with lovely yachts adding a further attraction to the town. The Praça de Touros built 1873 and is an imposing area in which regular bullfights can be seen. The Parque Palmela is an attractive park created by the Duques de Palmela and now maintained by the Town Hall and in which open-air concerts are often held.