Reconstruction works (general and special) of Trakai Peninsula Castle Dominican monastery was accomplished. Trakai Dominican Monastery is located in Trakai Historical National Park, Trakai Old Town. The monastery is an integral part of Trakai Peninsula Castle complex. An unexploited western part of the monastery was reconstructed, the basement between the southwestern and northwestern blocks of the monastery was restored, as well as other parts of the building, were performed facade reconstruction works and roof replacement works. The building area is 1551,18 m2 and the volume is 11478,51 m3.