Occupying Trial Bay's eastern headland, this imposing structure was built between 1877 and 1886 to house convicts brought in to build a breakwater. Nature had other ideas and the breakwater washed away. The prison subsequently fell into disuse, aside from a brief interlude in WWI when men of German and Austrian heritage were interned here. Today it contains an interesting museum devoted to its chequered history.
It's a pleasant 4km dawdle along the beach from South West Rocks.
