Roman Ruins of Milreu are located in Estoi, north of Faro. This archaeological site features the remains of a luxurious Roman villa from the 1st century AD, including well-preserved mosaics, a temple, and baths. The site is renowned for its well-preserved mosaics, particularly those depicting marine life, which adorn the floors of the villa and the bath complex.
Roman Ruins of Milreu feature a grand villa centered around a peristyle courtyard with a gallery of columns, showcasing Roman architectural sophistication. The site is famed for its well-preserved mosaics, particularly marine-themed designs, adorning the villa and bath complex. South of the villa lies a 4th-century temple dedicated to a water deity, later repurposed as a Paleochristian church, reflecting its prolonged religious importance. The remains of Roman baths highlight the advanced engineering and cultural emphasis on hygiene of the period.