Gold Coast: It is illegal for a woman to wear a bikini which uses more than 6 square inches of material.

175-10. Indecent dress or exposure. It shall be unlawful for any person to appear in any street or public place in a state of nudity or in a dress not belonging to his sex or in an indecent or lewd dress, or to make any indecent exposure of his person or be guilty of any…