Doctors Rocks near St Helens offers a diverse underwater landscape featuring reefs, pinnacles, and kelp forests. Suitable for intermediate divers, the site ranges from 3 to 20 metres in depth with an average of 12 metres. Visibility varies significantly, reaching up to 40 metres in optimal conditions. Divers should be prepared for moderate currents, surf, and potential entanglement in kelp. Entry is from the shore, where shuffling feet is advised to avoid sharp rocks. The habitat supports a variety of temperate marine life and invertebrates typical of the region. Always monitor depth and be aware of local boat traffic before entering the water.

Boat Harbour is a shore-accessible reef system located on the North Coast of Tasmania. The site features a rocky reef structure covered in kelp and sponges, with depths ranging from 5 to 17 metres and an average depth of 10 metres. Divers should be prepared for moderate currents between tides and potential rips near the beach, which require careful observation before entry. Visibility typically fluctuates between 5 and 12 metres. Facilities at the site include parking, toilets, showers, changing rooms, and a cafe. The site is suited for intermediate divers, and it also offers a snorkel rating of 4 out of 5.

Glory Hole is a cave and reef site in Tasmania that offers an enclosed underwater environment for beginner divers and snorkellers. The site sits at depths of 10 to 13 metres, with an average depth of 12 metres. Mild currents are typical, though divers should remain aware of potential strong currents and surf conditions at entry and exit points. Visibility is highly variable, ranging from 10 to 40 metres. Species recorded around this area include Reaper Cuttlefish, Blue Throated Wrasse, various wrasses, abalone, sea stars, and snails. When entering from the shore, shuffle your feet to avoid disturbing stingrays.

Rocky Cape features a rugged coastline with extensive kelp forests in the shallows and reef structures dropping to depths of 22 metres. The site is suited to intermediate divers, with an average depth of 15 metres. Conditions vary, with visibility ranging from 10 to 30 metres and currents generally mild, though offshore areas can experience medium currents. Cold water temperatures between 12C and 19C necessitate the use of a 7mm or 9mm wetsuit or a drysuit. Access is available via shore or boat, with parking and toilets provided at the location. Divers should be aware of potential surf and strong currents.

Bass Strait offers a challenging marine environment featuring a varied topography of reefs, kelp forests, walls, and canyons. Divers can expect depths ranging from 6 to 20 metres, with an average of 13 metres. Access is exclusively by boat, located 5 kilometres from shore. Conditions are highly variable, with visibility between 12 and 40 metres and water temperatures ranging from 12C to 19C. Due to strong tidal currents, wind-driven surface conditions, and cold water, this site is suited for intermediate divers. A 7mm wetsuit or drysuit is recommended. Divers must remain vigilant regarding boat traffic, surf, and the presence of marine predators.