Lake Purrumbete is a volcanic crater lake near Camperdown, offering a deep freshwater diving experience. The site features walls and drop-offs that descend to 50 metres, with an average depth of 45 metres. Thermal stratification occurs, and visibility is highly variable, often requiring the use of torches. Divers should be prepared for mild currents and potential entanglement risks in deeper areas. Entry is possible via shore or boat, though shore entries require shuffling feet to avoid disturbing the bottom. This site is suited for advanced divers due to the depth and navigation requirements. The habitat supports temperate freshwater fish, though visibility and topography are the primary features.

The Arches in Port Campbell is a shore-accessible reef and wall site featuring depths between 7 and 9 metres. This site is suitable for beginners, though conditions are variable due to frequent surge and swell. Visibility ranges from 3 to 20 metres, with the best conditions found on calm mornings during low tide. Divers should be aware of boat traffic in the area and are advised to use a diver below flag and float. Facilities at the site include parking, toilets, showers, changing rooms, a rinse station, a cafe, and a dive shop offering guided tours.