[3] In the 2021 census, Southern Moreton Bay Islands had "no people or a very low population".

[2] The locality consists of numerous very low-lying estuarine islands separated by channels in the southern part of Moreton Bay.

The islands are mostly covered by mangroves, and a substantial part of the area is inundated by water at high tide.

[3] In the 2011 census, Southern Moreton Bay Islands had "no people or a very low population".

[6] In the 2016 census, Southern Moreton Bay Islands had "no people or a very low population".