Istaby is a village in Sölvesborg Municipality, in Blekinge County, Sweden. Istaby lies at 31 m above sea level. It has 107 inhabitants. The nearest city is Kristianstad, 31 km to the west. Beaches nearby: Västra Torsö (1.5 km), Sandviken (2.8 km), Hällevik (3.7 km). Among the landmarks around are Stentoften Runestone (5.8 km), St. Nicholas Church (5.7 km) and Bäckaskog Castle (20 km).