Spectacular Reef in Sorrento is a wall and drop-off site located 1000 metres offshore within a major shipping channel. The topography features shallow sections at 6 to 9 metres, with the main reef dropping to depths between 15 and 33 metres. Due to strong tidal currents, this site must be dived at slack water and is suitable for advanced divers only. Visibility ranges from 3 to 20 metres. Divers should be aware of significant boat traffic and use a surface marker buoy during ascent. The reef structure is characterised by ledges and crevices that support soft corals and sponges.

Nepean Bay is a shallow reef site located in Portsea, Australia, offering depths between 1 and 7 metres. This site is suitable for beginners, though it requires boat access and careful planning due to tidal influences. Divers should time their entry around slack water to avoid moderate to strong currents, which are most manageable on the ebb tide. Visibility typically ranges from 5 to 10 metres. Given the location within Port Phillip Bay, divers must remain aware of significant boat traffic throughout the dive. Water temperatures fluctuate between 13C and 19C throughout the year.

Cheviot Beach is a challenging shore dive located in Sorrento, Australia, suitable only for expert divers. The site features a reef environment at depths ranging from 5 to 15 metres. Conditions are demanding, characterised by strong permanent rip currents, surf, and surge. Surf Life Saving Australia rates the beach as extremely hazardous, and swimming is prohibited. Divers must navigate sharp coral and variable visibility. Access is via the shore, with parking available nearby. It is essential to scout the entry point carefully and time dives around slack periods, avoiding the site after recent swells. The site is best approached during the calmer months of December through May.

Quarantine Station Wall is a shore-entry drift dive located in Sorrento, Australia. The site features a vertical wall ranging from 12 to 20 metres in depth. Divers experience moderate currents that carry them along the wall, with visibility typically between 10 and 30 metres. While suitable for beginners, the site requires careful planning due to the potential for strengthening currents and significant depth. Species recorded around this area include Giant Cuttlefish, Weedy Seadragon, Pot-bellied Seahorse, Blue-ringed Octopus, Fiddler Ray, Stonefish, Chromodoris Nudibranch, Western Blue Devil, Smooth Ray, Bobtail Squid, Long-nosed Fur Seal, Port Jackson Shark, and various wrasses.

Queenscliff Bottle Drift is a drift dive located in the deeper waters of Port Phillip Heads near Sorrento. The site features a reef topography with depths ranging from 18 to 26 metres. Divers experience moderate currents, making this an intermediate-level dive best suited for those comfortable with drift procedures. Visibility typically ranges from 10 to 20 metres. Due to high boat traffic and shifting currents, boat access and guided tours are required. Species recorded around this area include Weedy Seadragons, Giant Cuttlefish, Fiddler Rays, and Western Blue Devils. Water temperatures fluctuate between 13C and 19C throughout the year, necessitating appropriate thermal protection.

The Rip is a challenging site located at the entrance to Port Phillip Bay near Sorrento. This area features a mix of natural reef, wall, and artificial structures. While the Popes Eye structure provides sheltered conditions, the surrounding area is defined by strong tidal currents reaching 5 to 8 knots. Divers encounter Long-nosed Fur Seals, Blue Throated Wrasse, Butterfly Perch, Old Wife, and various sea stars. Other species include Stonefish, Shaw’s Cowfish, and Clown Doris. Depths range from 1 to 60 metres, with an average of 8 metres. Boat access is required, and conditions demand caution due to heavy boat traffic and rapid weather changes.

Popes Eye is a partially submerged, circular stone structure located in Port Phillip Bay. Serving as an artificial reef, the site features depths ranging from 1 to 12 metres, with an average depth of 8 metres. It is accessible only by boat and is suitable for beginners. While the interior of the annulus provides protection, strong tidal currents reaching 5 to 8 knots can occur outside the structure. Divers should remain aware of boat traffic on the surface. Visibility varies from 5 to 25 metres, and water temperatures fluctuate between 13C and 19C, necessitating a full exposure suit year-round.

Queenscliff Pier offers a shallow shore dive featuring a mix of reef and muck environments. Divers explore the area around the pier pylons and the adjacent seafloor at depths ranging from 2 to 5 metres. Visibility typically spans 5 to 10 metres. The site is suitable for beginners, though it requires careful planning due to moderate currents; diving at slack tide is recommended. Hazards include boat traffic, potential entanglement in discarded fishing lines from the active fishing pier, and strong currents. Facilities including parking, toilets, and air fills are available nearby. Water temperatures fluctuate between 13C and 19C throughout the year.