Port Authority of New South Wales (Port Authority) is a state owned corporation, which manages the navigation, security and operational safety needs of commercial shipping in Sydney Harbour, Port Botany, Port Kembla and the ports of Newcastle, Eden and Yamba.

Port Authority manages and operates the ports at Glebe Island, White Bay, Eden and Yamba and has the role of Harbour Master in all NSW ports.

Port Authority is the lead agency for responses to maritime incidents in coastal waters stretching from Fingal Head, Port Stephens to Gerroa, Seven Mile Beach, south of Port Kembla.

Port Authority owns and manages common user berths at Glebe Island, White Bay and the Overseas Passenger Terminal at Circular Quay.

Sydney Harbour cruise facilities at the Overseas Passenger Terminal and White Bay Cruise Terminal are owned by Port Authority.