Sponge Gardens at Navy Pier features a diverse underwater topography ranging from shallow reef at 2 metres to wall and cave sections reaching 40 metres. The site is named for its dense sponge concentrations, which are accompanied by gorgonians and sea whips. Divers experience consistent 30-metre visibility, aiding navigation through the varied terrain. This is a boat-only site suited for intermediate divers, offering a mild drift dive experience. Due to the presence of cave sections and depths reaching 40 metres, this site presents overhead environment and deep diving hazards. Guided tours and equipment rentals are available locally to assist with site navigation and safety.

Navy Pier is a unique shore dive in Western Australia where industrial pylons function as an artificial reef. Divers navigate between concrete supports draped in sponges and soft corals at depths reaching 15 metres. The site is known for strong tidal currents, requiring dives to be scheduled strictly at slack tide. Marine life includes Tasselled Wobbegong, Whitetip Reef Shark, Queensland Grouper, and Barramundi Cod. Cryptic species such as Giant Frogfish, Indian Lionfish, and various nudibranchs inhabit the structure. Due to the overhead environment, entanglement risks, and demanding currents, this site is suited for intermediate divers. Guided tours are recommended to navigate the conditions and locate camouflaged inhabitants.

Bogo Marine Sanctuary is a reef site located at Navy Pier, Australia. This marine environment offers depths reaching 30 metres and is accessible exclusively by boat. The site is suitable for beginner divers, featuring mild currents throughout the dive. Water temperatures remain consistent, ranging from 23C to 28C depending on the time of year. Divers should remain aware of boat traffic in the area and monitor their depth during the typical 120-minute dive duration. As a protected sanctuary, the site provides a controlled environment for underwater exploration.

Bundegi Reef is a shore-accessible site located 350 metres from the coast, offering a shallow reef system that reaches a maximum depth of 8 metres with an average of 4 metres. The site is suitable for intermediate divers and snorkellers, often experienced as a drift dive or snorkel. Visibility ranges from 5 to 25 metres. Divers must cross a boating channel to reach the reef, making the use of a dive flag or surface marker buoy essential. The reef structure features staghorn and plate corals, with some areas consisting of coral rubble following a 2011-2012 bleaching event. Facilities at the shore entry point include parking, toilets, and showers.

Nook and Crannies is a shallow reef site located at Navy Pier, Australia, with depths ranging from 1 to 3 metres. This boat-accessible location is suitable for beginners, though it requires careful buoyancy control due to the presence of sharp coral. Visibility is consistently low at approximately 1 metre, making a torch useful for inspecting the reef structure. A moderate current is common, and snorkellers should assess conditions before entry. Due to the shallow nature of the reef, the site should only be snorkelled at high tide of 1.2 metres or higher to prevent damage to the coral structure.

Gullivers is a reef dive located off the coast of Western Australia, accessible exclusively by boat. The site features a consistent depth of 12 to 14 metres, with an average of 13 metres, making it suitable for beginner divers. Divers should be prepared for moderate currents and variable visibility, which ranges from 5 to 20 metres. Water temperatures fluctuate between 23C and 29C throughout the year. When diving, be aware of sharks in the area and exercise caution regarding boat traffic when surfacing. Due to the potential for entanglement and changing visibility, maintain good buoyancy control and situational awareness throughout the dive.

Lighthouse Bay at Vlaming Head offers a reef and drift experience suitable for beginners. Divers and snorkellers can explore depths between 12 and 15 metres, with an average depth of 14 metres. Access is strictly by boat, and conditions vary with visibility ranging from 5 to 20 metres. Currents can be moderate to strong, requiring attention to local briefings. Hazards include sharp coral, low visibility, and strong currents, alongside the presence of sea snakes. During summer months, there is a risk of cyclones. Parking is available at the site. Visitors should book a guided boat charter to navigate the currents and locate resting areas effectively.

Blizzard Ridge is a reef site located within Lighthouse Bay on the Ningaloo Reef. Situated at depths between 12 and 15 metres, the site is suitable for beginner divers. Access is exclusively by boat, with the site located 1500 metres from shore. Visibility typically ranges from 5 to 30 metres, though surge can occur in rough conditions. While the site is generally sheltered, moderate currents can shift unexpectedly. Divers should be aware of boat traffic and potential surge. Facilities including parking, toilets, showers, and a cafe are available at the departure point. The site supports a variety of reef fish and invertebrates within its healthy reef structure.