This paper gives a brief overview of the most important archaeological sites and finds from all prehistoric periods and from early antiquity. What the paper focuses on, is the period of late antiquity on the island, especially the late antique fortifications, Kaštelina in Kampor and the fortress of St. Cosmas and Damian on the slopes of Kamenjak. Likewise, the second main focus of the work is placed in the Middle Ages, concrete Romanesque. The main Romanesque buildings such as the churches of the Assumption of the Blessed Virgin Mary, st. John the Evangelist, St. Andrew in the town of Rab and the church of St. Petra in Supetarska Draga. In addition to the review of the stylistic and architectural characteristics of these Romanesque churches, its alterations over the centuries to the present day have been described and also the associated sculptural works in the churches have been taken into consideration.