Källvik is a village in Västervik Municipality, in Kalmar County, Sweden. Källvik lies at 18 m above sea level. The nearest city is Västervik, 15.7 km to the southwest. Beaches nearby: Ytterbystranden (10 km), Breviksbadet (15 km). Among the landmarks around are Loftahammar Church (2.3 km), Smalspårsjärnvägen Hultsfred–Västervik (15.9 km) and church of Östra Ed (15.6 km).