The 1989 Cronulla-Sutherland Sharks season was the 23rd in the club's history. They competed in the NSWRL's 1989 Winfield Cup premiership as well as the 1989 Panasonic Cup.

Ladder TeamPldWDLPFPAPDPts1 South Sydney221813390207+183372 Penrith221606438241+197323 Balmain221417380236+144294 Canberra221408457287+170285 Brisbane221408398290+108286 Cronulla-Sutherland221408368281+87287 Newcastle22110112812810228 Parramatta2211011346366-20229 Canterbury-Bankstown2210210280337-572210 St. George2210012330356-262011 Eastern Suburbs229112348346+21912 Manly-Warringah229112334343-91913 Western Suburbs227114229389-1601514 Gold Coast-Tweed227114223383-1601515 North Sydney225116194406-2121116 Illawarra222119256503-2475

References