She is married, and has seven children. She is the second richest woman in Australia, after Gina Rinehart. In 2014, the Business Review Weekly assessed Bennett's net worth at A$1.55 billion. In September 2009, she sold her mansion in the Mosman Park neighbourhood of Perth for A$57.5 million and downsized to a A$8 million apartment in Fremantle. In 2010, she sold her A$20 million yacht.