The Ex-HMAS Adelaide is located 1.4 kilometres from the Skillion at Terrigal and 1.8 kilometres from Avoca Beach, resting in approximately 32 metres of water. In time, this artificial reef will earn its reputation as a world class dive attraction and create substantial benefits for the Central Coast community.Prior to entering the Ex-HMAS Adelaide Reserve (R.1014968), you must acknowledge that your visit to the dive site is an inherently dangerous activity and you enter the Ex-HMAS Adelaide Reserve (R.1014968), entirely at your own risk.