THE BOOKCASE

Great Mercury Island
Depth Range: 0-30m
Exposed to swells and strong winds. Nice wall dive to sand. Beware of serge on the corner closest to Great Mercury. Nice long cracks and crevices and interesting rock formations around the inside corner all of which have crayfish. Schools of pelagics and reef fish plus sponges, ascidians, anemones and nudibranchs on the wall.