Post Office Rock is a shallow reef dive located on the Fleurieu Peninsula, suitable for beginners. Accessed directly from the shore, the site features a reef structure with sandy patches, crevices, and sponges. Divers should be aware of shifting currents and variable visibility, which is best following a period of calm weather and at high tide. Water temperatures range from 14C to 17C, requiring appropriate exposure protection year-round. The habitat supports a variety of temperate marine life, including reef fish, invertebrates, and various rays and sharks common to the region. Hazards include the presence of sharks and rocks in the area.

Cape Buffon at Southend is a shore-accessible reef system located in South Australia. This site is suited for intermediate divers, offering an opportunity to explore temperate reef structures. Entry and exit are conducted over rocks, which can be sharp and slippery, requiring protective footwear. The site is exposed to the Southern Ocean, meaning divers should monitor for surf and moderate currents. Water temperatures range from 14C to 17C throughout the year. Visibility can be variable, so conditions should be assessed before entering the water. The reef habitat supports a variety of temperate marine life, including sponges, sea stars, and various reef fish and invertebrates.