Canning Industry Interpretation Centre Monument · A Illa de Arousa, Salnés, Pontevedra Image of A Illa de Arousa, not of the place itself. An exhibition space devoted to the island's canning industry, where sardine has been tinned since 1845 and where in 1879 the Goday factory opened, one of the pioneers of the ría of Arousa. Photo: José Luis Filpo Cabana (CC BY 3.0) What to see and do in A Illa de Arousa