Jurien Bay Marine Park features shallow reef and seagrass habitats with depths ranging from 1 to 6 metres, averaging 3 metres. This site is suitable for beginners and accessible by both shore and boat. The area is influenced by a mix of warm tropical and cool southern waters, supporting a diverse range of marine plants and animals. Visibility is variable, and conditions can change, so checking local reports is advised. Facilities include parking, toilets, showers, and access to guided tours. Hazards include surf, sharp coral, jellyfish, and sharks. Visitors should maintain a 50-metre distance from sea lions and remain aware of boat traffic.

Boullanger Island in Jurien Bay offers shallow diving and snorkelling across seagrass beds and reef structures. Depths range from 1 to 6 metres, providing an accessible environment for beginners. Access is by boat only, with the site located 1000 metres from the shore. While the area features sheltered anchorages, afternoon sea breezes during summer can create surface chop. The reef supports diverse habitats including sponges, sea fans, anemones, and corals, alongside western rock lobsters, octopus, and cuttlefish. Divers and snorkellers should remain aware of the presence of sharks and lionfish in the area. Sea lions are also present and require visitors to maintain a respectful distance.

Osprey is a demanding wall and drop-off site located off the coast of Jurien Bay. The reef face plunges into deep water, with depths ranging from 5 to 30 metres and an average of 35 metres. Divers encounter strong currents, requiring solid buoyancy control and careful dive planning. The site features caves and sponge-covered rock structures. Visibility is excellent, typically between 30 and 60 metres. Due to the significant depth, strong currents, and potential for sharks, this site is suitable only for advanced divers. Access is by boat only, and the site supports night diving.

Seaward Ledge in Jurien Bay offers a diverse underwater topography featuring a combination of reef, wall, and cave structures. Located 2000 metres from shore, this site requires boat access and is suitable for beginners. Divers can explore depths ranging from 8 to 28 metres, with an average depth of 18 metres. Visibility at the site varies between 5 and 15 metres. Conditions are subject to change, with variable currents and surge present, particularly near the wall and cave entrances. Divers should remain aware of their surroundings and monitor conditions closely throughout the dive.

Boomers is a boat-accessible cave system in Jurien Bay, Australia, suitable for beginners. The site features depths ranging from the surface to 18 metres. Divers experience mild currents, though surge is present near the cave entrance. Because this is an overhead environment, divers should remain near the entrance and avoid contact with the cave walls. Surface conditions require caution due to boat traffic. Water temperatures typically range between 20C and 23C throughout the year. As conditions vary, check local facilities and weather reports before planning a dive.

Essex Rocks is a shallow reef site located in Jurien Bay, Australia, offering depths between 2 and 4 metres. This boat-accessible location is suitable for beginners, though divers and snorkellers must be aware of strong currents and potential surf conditions. The site is situated within sheltered coves, and it is recommended to visit during the morning hours before winds increase. Due to the presence of boat traffic, caution is required when surfacing. Visitors are advised to book a guided tour to ensure proper briefings on local conditions and wildlife interactions. The site is best visited between September and May, avoiding the less favourable conditions of the winter months.

Caves is a boat-accessible site in Jurien Bay, Australia, featuring sheltered cave formations at depths between 5 and 20 metres. The site is suitable for beginners, offering mild currents and visibility ranging from 5 to 15 metres. Divers should exercise caution regarding surge near cave entrances, which can push swimmers toward the walls. When navigating the shallows, shuffle your feet to avoid sharp coral and rocks. The site is open for night diving and includes nearby facilities such as parking, toilets, and showers. Always check the surface for jellyfish before entering the water, as they may congregate near the cave mouths.

Sandy Cape in Jurien Bay offers a shallow, sheltered environment suitable for beginners. The site features a mix of reef and seagrass habitats at depths ranging from 1 to 5 metres, with an average depth of 2 metres. Entry is directly from the shore. While the bay is generally protected, snorkelers should be aware of mild currents and potential surge. Afternoon sea breezes during summer can create surface chop, so morning visits are recommended for calmer conditions. Facilities including parking and toilets are available. Snorkelers must maintain a safe distance from Australian sea lions, and lionfish are present in the area.