The agent is probably refering to this site:
https://www.google.com.au/maps/place/Ozone+Parade,+Trigg+WA+6029/@-31.8878239,115.7596007,314m/data=!3m1!1e3!4m2!3m1!1s0x2a32aed367ad7591:0xa338f9fecbd1fbb2
Pretty good spot imo, very easy access to West Coast Hwy and not that busy overall. No ocean...