Home Postcode finder QLD Castaways Beach Castaways Beach postcode QLD Castaways Beach is a locality in Queensland covered by postcode 4567. Postcode 4567 State or territory Queensland (QLD) Region Sunshine Coast Add a free Castaways Beach business listing More business listings in Castaways Beach Businesses in Castaways BeachTraveloris18 Daybreak Ct · 0490478346 Common questionsWhat is the postcode for Castaways Beach?Castaways Beach, QLD has the postcode 4567.What state is Castaways Beach in?Castaways Beach is in Queensland (QLD).Does postcode 4567 cover more than one suburb?Yes. Postcode 4567 covers 4 localities, so the postcode alone does not identify Castaways Beach. Browse other postcodes in Queensland, or widen the search to every Australian postcode.