The 3 Wrecks at Rottnest Island, Australia, features the remains of the Macedon and Denton Holmes vessels resting in shallow depths of 5 to 8 metres. This site is suitable for beginners, offering a comfortable environment with mild currents. The wrecks have integrated into the surrounding reef structure, creating a complex topography. Visibility varies between 10 and 30 metres, allowing for clear views of the wreckage. Access is by boat only, located 500 metres from shore. Divers should be aware of potential surge near the structures and maintain caution regarding boat traffic at the surface. Always deploy a surface marker buoy during ascent.

West Kingston Reef at Rottnest Island offers a varied underwater landscape featuring reef terrain and a cave. Suitable for beginners, the site reaches depths between 8 and 18 metres with an average of 12 metres. Divers experience mild currents, though surge can be present, particularly near the reef and within the cave structure. Visibility fluctuates between 4 and 15 metres. Access is by boat, and divers should exercise caution regarding surge and swell during entry. A typical dive lasts approximately 50 minutes. If swell conditions are high, the cave may experience funnelled currents, making it advisable to avoid entry during such times.

Transit Wreck is a shallow wreck and reef site located off Rottnest Island, Australia. Resting in depths between 3 and 7 metres, it serves as an accessible introduction to wreck diving for beginners. Divers access the site by boat, encountering mild currents that can be unpredictable; timing dives around slack water is recommended for a more relaxed experience. Visibility typically ranges from 5 to 15 metres. Divers should exercise caution around the structure, as sharp coral and potential entanglement hazards exist. Exposure protection is advised to prevent skin abrasions from reef edges. Always remain aware of gear placement and avoid reaching into gaps or cavities within the wreck structure.

The Basin is a sheltered reef and seagrass site located at Rottnest Island, Australia. With depths ranging from 1 to 10 metres and an average of 3 metres, it is well-suited for beginner divers and snorkellers. The site is protected from most winds, maintaining mild currents and visibility between 15 and 30 metres. Water temperatures are influenced by the Leeuwin Current, remaining warmer than the mainland coast. Shore access is straightforward, supported by on-site facilities including parking, toilets, showers, and a rinse station. Divers should remain aware of potential surface chop from afternoon sea breezes and the presence of other water users in this popular area.

Roe Reef, located 1500 metres off Rottnest Island, is a boat-accessible site featuring a mix of reef and cave topography. Divers and snorkellers can explore depths ranging from 8 to 18 metres, with visibility typically between 10 and 25 metres. The site is suitable for beginners, though conditions require careful assessment as currents can reach 2 knots and surge is common. Water temperatures fluctuate between 19C and 23C, with potential for thermoclines. Species recorded around this area include various wrasses, nudibranchs, rays, and butterflyfish. Due to the exposure to wind and swell, morning dives are recommended when conditions are calm.

Henrietta Rocks is a shallow shore dive located 50 metres off Rottnest Island, Australia. The site features a combination of scattered limestone reef patches, seagrass beds, and the remnants of a small wreck resting on a sandy bottom. Depths range from 2 to 10 metres, with an average of 7 metres, making it suitable for beginners. Divers and snorkellers should be aware of mild currents and potential surf at the entry point. Water temperatures fluctuate between 19C and 23C, influenced by the Leeuwin Current. Hazards include sharp limestone, entanglement risks, and seasonal blue bottle jellyfish. Parking and toilets are available at the site.

Geordie Bay on Rottnest Island provides an accessible shore entry from a sandy beach, suitable for beginners. The site features a transition from seagrass beds to reef structures, with small cave and cavern formations. Depths range from 0 to 16 metres, and the area is generally sheltered with mild currents. Snorkelers should remain vigilant for boat traffic, as the bay is a popular anchorage, and be aware of jellyfish in the shallows. Facilities including toilets and a cafe are located near the beach. Water temperatures are influenced by the Leeuwin Current, ranging between 19C and 23C throughout the year.

The Lady Elizabeth is a shallow wreck and reef site located off Rottnest Island, Australia. Resting at depths between 3 and 9 metres, the site is suitable for beginner divers. Access is by boat only. Visibility typically ranges from 10 to 20 metres, though divers should be prepared for mild currents, surge, and potential thermoclines. The wreck structure presents hazards including entanglement risks from debris and enclosed overhead spaces. Divers should exercise caution regarding sharp coral and variable visibility. Water temperatures fluctuate between 19C and 23C throughout the year.