Warnbro Sound Avenue is a main road and suburban distributor in the southern suburbs of Rockingham south of Perth, and runs through or alongside the suburbs of Warnbro, Port Kennedy and Secret Harbour, ending at Dampier Drive in Golden Bay where it links to Mandurah Road. It continues on from Read Street and links these suburbs to the Rockingham City shopping centre. It is a dual carriageway until just before it ends in Golden Bay.