Antonio Marques is the fifth generation at Quinta da Serradinha, a family winery located in the town of Leiria, on the limestone slopes of Serra d ́Aire, north of Lisboa. Nowadays Antonio is one of the leaders in Portugal when it comes to producing wine as naturally as possible in both the vineyard and the winery. Antonio owns a total of 5 hectares of vineyards which have held the Bio since 1994, being the first winery ever to be certified biodynamic in the whole Portugal.
 
- Encruzado+Arinto 2017 is a blend that undertook 4 days of skin macerationin barrels where it aged on its lees for 11 months! This 2017 is super textural and saline, a serious contender that gains if served at 10-12°C.
 
- Castelão e outras 2016 is made from a blend of Castelão, Touriga Nacional, Alfrocheiro and Tinta Miuda grapes. These autochthonous varieties are macerated for 10 days and then aged on the lees in exhausted French barrels for 24 months without rackings.