Castillo de Salas was a Spanish bulk carrier that was launched in Ferrol on 20 December 1979 and completed in August 1980. It measured over 50,000 gross tons, and had a deadweight of over 100,000 tons, measured approximately 250 metres (820 ft) in length, 40 metres (130 ft) across the beam, and 14.5 metres (48 ft) in draft. It required a crew complement of 32.