Bonnet Bay is a suburb in southern Sydney, in the state of New South Wales, Australia that is located 29 kilometres (18 mi) south of the Sydney central business district in the local government area of the Sutherland Shire.

[6] In terms of crime rates, Bonnet Bay has been ranked to be among the top ten safest suburbs in Sydney.

The other most common countries of birth were England 5.5%, New Zealand 1.5%, China (excludes SARs and Taiwan) 1.0%, Scotland 0.8% and South Africa 0.8%.

Other languages spoken at home included Mandarin 1.5%, Cantonese 1.0%, Greek 1.0%, Spanish 0.8% and Russian 0.7%.

However, it also represents a fire threat to Bonnet Bay, most notably manifesting in the 1994 Como bushfires.

[17] The Route 968 bus serves Bonnet Bay, connecting it to Jannali, Miranda and Kareela.

[22] Bonnet Bay was well known in southern Sydney for its extensive displays of Christmas decorations and lights during the festive season,[23] though the tradition reached its peak in the mid-1980s and has since spread to other areas throughout the Sutherland Shire.

Bonnet Bay has a single sporting club, Bonnet Bay FC, a football club which fields boys' and girls' junior teams, and men's and women's senior teams, playing at Lakewood City Reserve.