Plaque about the Key Cottage on the Rockingham Waterfront Pioneer Rotary Walk in Rockingham, Western Australia. It reads, "Key Cottage The farm named 'Mona's Mount', by the Key family is situated on Wellard Road. The cottage is one of the best preserved and perhaps the oldest in the Kwinana district. It is constructed from hand hewn blocks of Rockingham limestone, mined west of Mandurah Road near Day Road."