Marine structures are highly susceptible to corrosion and the cost to the maritime industry worldwide is reportedly estimated to be between 50-80 billion every year. Professional Diving Services presented at the joint Maritime Industry Australia Ltd (MIAL) and Australasian Corrosion Association (ACA) seminar to highlight how occupational diving and underwater solutions have been implemented to reduce the effect of corrosion on marine assets in a range of sectors including ships, marinas, pipelines, bridges, offshore structures, desalination plants and other structures in marine environments.