The locality of Great Sandy Strait has an approximate area of 610 km².
It is surrounded by the suburbs of Beaver Rock, Boonooroo, Boonooroo Plains, Booral, Inskip, Maaroom, Poona, River Heads, Susan River, Tandora, The Dimonds, Tinnanbar, Tuan and Urangan.
It is surrounded by the localities of Fraser Island, Tin Can Bay, Tuan Forest and Unnamed Locality.
It is within the council of Fraser Coast.
It is comprised of parts of the state electorates of Hervey Bay and Maryborough.
It is comprised of parts of the Wide Bay federal electorate.