Busselton Jetty is the longest timber-piled jetty in the Southern Hemisphere, extending 1.7 kilometres into Geographe Bay. The wooden pylons function as an artificial reef, creating a sheltered environment suitable for beginners. Divers and snorkellers can access the site from the shore or by boat, with depths ranging from the surface to 10 metres. Conditions are generally mild, though visibility fluctuates between 2 and 25 metres. The site is accessible year-round, with the best conditions occurring from December to June. Divers should remain aware of boat traffic, seasonal jellyfish, and sharp coral growth on the pylons. Facilities including equipment rental, air fills, and guided tours are available nearby.

Castle Rock in Busselton is a gentle shore-entry reef site suitable for beginners. The area is sheltered from southwesterly winds and swells, resulting in calm, tranquil conditions with visibility ranging from 10 to 25 metres. The seafloor features a mix of seagrass beds, sponges, and corals. Divers should be aware of mild currents and sharp coral edges. Species recorded around this area include weedy seadragons, spotted wobbegongs, various nudibranchs, rays, and wrasses. Facilities at the site include parking and toilets. Water temperatures typically range between 18C and 21C during the peak season. Wear water shoes or booties to protect your feet during entry.

The HMAS Swan is a decommissioned Royal Australian Navy destroyer resting upright on the sandy seabed near Busselton. The wreck sits at a maximum depth of 31 metres, with the superstructure rising to 5 metres. Access is by boat only. Conditions are generally manageable with mild currents and visibility ranging from 10 to 30 metres. The site is suitable for intermediate divers, though it presents hazards including overhead environments, entanglement risks, and sharp protrusions. Large holes cut into the hull facilitate penetration for qualified divers. Species recorded around this area include various wrasses, nudibranchs, rays, and wobbegongs, while the structure itself supports soft coral growth.

Meelup Beach in Busselton is a sheltered shore dive suitable for beginners. The site features a mix of seagrass beds and reef patches at depths ranging from 6 to 9 metres, with an average depth of 6 metres. Divers can expect mild currents and visibility between 10 and 25 metres. The protected bay provides calm, flat water conditions, though divers should remain aware of boat traffic in the area. Facilities at the beach include parking, toilets, showers, and changing rooms, making it a convenient location for shore-based activities. Night diving is also possible at this site.

Gannet Rock is a shallow reef site in Busselton, Australia, offering a straightforward shore entry. The site is suitable for beginners, though snorkelers and divers should remain aware of surge near the reef structure, particularly during periods of swell. Visibility typically ranges from 10 to 25 metres. Water temperatures between September and May fluctuate between 18C and 21C. Facilities including parking and toilets are available on site. Visitors are advised to arrive early in the morning when surge conditions are generally calmer and visibility is optimal. Hazards include boat traffic and the presence of an overhead environment within the reef structure.

Eagle Bay in Busselton offers a shallow, protected environment suitable for beginners. The site features a mix of reef and seagrass habitats at depths ranging from 1 to 5 metres. As a north-facing bay, it remains sheltered from prevailing south-westerly winds, providing generally calm conditions with visibility between 10 and 25 metres. Entry is directly from the shore, with the main reef area located approximately 50 metres out. Divers and snorkellers should be aware of potential boat traffic and the presence of bluebottle jellyfish. The site is located within a sanctuary zone of the Ngari Capes Marine Park where all fishing is prohibited.

Castle Rock is a shallow reef site in Busselton, Australia, offering depths between 2 and 10 metres with an average of 6 metres. This shore dive is suitable for beginners, though entry and exit require caution due to potential surf and sharp barnacles or oysters on the rocks. Conditions are best in calm weather, as surge can be present around the reef structure and swim-throughs. Visibility typically ranges from 3 to 15 metres. Species recorded around this area include various wrasses, nudibranchs, rays, and octopuses. Facilities at the site include parking, toilets, showers, and a cafe. Night diving is possible, with typical dives lasting around 50 minutes.

Bunker Bay near Busselton is a shore-entry reef dive suitable for beginners. The site features depths ranging from 1 to 18 metres, allowing divers to remain in the shallows or explore deeper sections. Visibility typically varies between 10 and 30 metres, with the best conditions found on calm mornings. Divers should exercise caution regarding hazards including surf, rip currents, jellyfish, sea urchins, sharp coral, and stonefish. Shuffle your feet when entering and exiting the water to avoid injury from urchins or rocks. Facilities at the site include parking and toilets. Typical dives last approximately 45 minutes, and the site is accessible year-round.