Byvik is a village in Västervik Municipality, in Kalmar County, Sweden. Byvik lies at 27 m above sea level. The nearest city is Västervik, 16.7 km to the southwest. Beaches nearby: Ytterbystranden (8.9 km). Among the landmarks around are Loftahammar Church (2.2 km), Smalspårsjärnvägen Hultsfred–Västervik (16.9 km) and church of Östra Ed (14.8 km).