The 2018 Southern Steel season saw the Southern Steel netball team compete in the 2018 ANZ Premiership and the 2018 Netball New Zealand Super Club. With a team coached by Reinga Bloxham, captained by Wendy Frew and featuring Gina Crampton, Shannon Francois, Te Paea Selby-Rickit and Te Huinga Reo Selby-Rickit, Steel retained the ANZ Premiership title, winning their second consecutive premiership after defeating Central Pulse 54–53 in the grand final. In the Super Club tournament, Steel finished third.