Meet the site
Catherine Hill Bay's old coal loader is one of the more atmospheric shore dives on this stretch of coast, combining industrial archaeology with a genuine, if broken-up, shipwreck. The jetty and loader were built in 1889 to load coal from the Catherine Hill Bay colliery directly onto ships anchored in the open roadstead, and its pylons — some still standing, many collapsed — now form a scattered artificial reef running out from the beach. In 1914 the steamer SS Wallarah, a 633-ton collier working the same coal trade, was driven onto the reef near the jetty by heavy seas and left where she grounded; more than a century of surge and storms has reduced her to scattered structure rather than a recognisable hull, but her boiler and sections of plating, chain and cable remain identifiable among the loader debris.Diving here means picking through a low-relief field of timber and iron pylon stumps, cross-bracing, cabling and wreck fragments in shallow water, all colonised by weed, sponge and small reef fish that shelter in the nooks between structure. It's not a dramatic dive in terms of depth or visibility, but it rewards divers who enjoy exploring maritime history close to shore, and it sits within Catherine Hill Bay's broader run of rocky shore sites, so it's easy to combine with a look at the surrounding platform and gutters on the same low-key day out. The site is fully open to the swell, so it only comes into its own after a settled spell; the water can turn to soup for days after a blow before the sand resettles. Because the loader has been progressively removed and eroded, keep expectations calibrated to a scattered heritage/debris site rather than an intact wreck, and treat old ironwork with care as it continues to collapse over time.
What you might see
Reef fish sheltering among pylon debris, small schooling species, occasional Port Jackson sharks
Location
Shore dive around the remains of the historic Catherine Hill Bay coal loader jetty (built 1889) and the wreck of the collier SS Wallarah, beached near the jetty in 1914.
Before you make plans
Conditions, access and operator schedules can change. This is a location guide, not a dive plan. Ask a local operator about current conditions and suitability for your training and experience.
Sources & further reading
greynurse.com.audivenewcastle.com.augreynurse.com.aumichaelmcfadyenscuba.infomichaelmcfadyenscuba.infoRecord updated 26 Sept 2026. Source claims are being reviewed.