

Best for beginner divers, 2-10m, shore entry, mild current.
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.
-33.56130, 115.06750
November through April offers the most reliable conditions, so plan your visit within that window if you can. Enter carefully and wait for a lull in the surf before committing to your descent.
Access is via a short walk from the Castle Rock car park down to the sandy beach. The entry is a simple beach entry. The site is located within the Meelup Regional Park.
Recorded at this site
Depth
Up to 10m
Visibility
3-15m
Skill Level
Beginner
Entry
Shore
Water Temp
18-21°C
Current
Mild
Typical Dive
50 min
Best Time
Jan, Feb, Mar, Apr, Nov, Dec
Species recorded around this area include wrasses, nudibranchs, rays, octopuses, and various reef fish. These are not confirmed sightings at this specific site.
Yes, the shallow depths of 2 to 10 metres make this a suitable location for beginner divers and snorkellers.
Access is via a shore entry. Divers should be cautious of surf and wait for a lull before entering, as the rocks are covered in sharp barnacles.
Yes, the shallow reef structure is suitable for both diving and snorkelling.
The most reliable conditions occur between November and April.
Diving at Castle Rock in Dunsborough requires the following certifications: Open Water. Always dive within your training limits.
A 7mm wetsuit or semi-dry is recommended for diving at Castle Rock in Dunsborough. Water temperatures range from 18°C to 21°C.
Castle Rock in Dunsborough typically has mild currents that most divers can handle comfortably.
Visibility at Castle Rock in Dunsborough typically ranges from 3 metres to 15 metres. Conditions vary with weather, tides, and seasons.