A Cairns investment property works for one simple reason. More people want to rent in Cairns than there are homes to rent. The region's rental vacancy rate was 0.76% in March 2026, according to Realestate Investar, and in the beachside suburb of Palm Cove it was 0.85%. This article explains what sits behind those numbers, why Palm Cove units have moved so fast, and how to tell whether a unit or a house...