Four Mile Reef

Type:

Scuba Diving

Entry:⚓Boat Entry

Difficulty:Intermediate

Tags:

Reef

About This Dive Spot

Four Mile Reef is a reef dive near Busselton reached by a short boat ride from the marina. The site sits around 18 m and is known for coral growth and schooling fish. Divers may also encounter a variety of rays, cuttlefish, and sharks including wobbegongs and Port Jackson sharks.

Planning details

Reported depth and seasonality.

Reported depth

18m+

Depth note

Described as an 18 m reef dive.

Local intel

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Tailored notes for different activities.

Scuba

A reef dive around 18 m depth.

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Spots Near Four Mile Reef

📍 4.0 km

Busselton Jetty

🏖️

This site involves a long walk from the parking area, so bringing a trolley for dive gear can help. Entry is described as an easy step-in from the platform, with diving around the underwater observatory. Divers can encounter a range of marine life, from larger pelagic fish to smaller species such as pufferfish and nudibranchs.

📍 24.2 km

HMAS Swan (Wreck)

⚓

HMAS Swan is a 140 m long, 2750-ton vessel that was deliberately scuttled in Geographe Bay in December 1997 to create a wreck diving site. The wreck sits in clear water at around 30 m, resting with a slight list. It is described as a spectacular wreck that has become home to a variety of fish and other marine animals.

📍 44.7 km

FV Lena

⚓

FV Lena is a purpose-sunk shipwreck created after a fishing vessel was seized and later scuttled as an artificial wreck dive. A mooring line connects to the bow and can be used as a descent line. The wreck is heavily covered in coral and sponges, with schooling fish and nudibranchs often seen around the structure. Wobbegong and Port Jackson sharks are also commonly encountered.

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Frequently Asked Questions

What's the best entry point at Four Mile Reef?

Entry at Four Mile Reef is detailed in the spot description above. Look for specific landmarks, access paths, and any tide or condition requirements. Local divers often share updated entry tips in their dive logs.

What conditions are best for diving Four Mile Reef?

Optimal conditions at Four Mile Reef depend on several factors including tide, wind, and season. Check recent dive logs for current condition reports and patterns. Generally, calmer seas and high tide provide better visibility and easier entry.

What is the maximum depth and typical visibility at Four Mile Reef?

Depth and visibility information for Four Mile Reef can be found in the spot details and recent dive logs. Conditions can vary significantly based on weather, tide, and season. Always plan your dive according to current conditions and your certification level.

Are there any safety considerations or local etiquette at Four Mile Reef?

When diving Four Mile Reef, respect local regulations, marine life, and other water users. Be aware of any specific hazards like currents or boat traffic mentioned in the spot description. Follow Leave No Trace principles and local diving etiquette.