Sinjido () is an island located off the coast of South Jeolla Province, South Korea. It covers an area of 30.99 km2, and has a coast line which is 48.0 km long. It features several peaks: Sang-san (324 m), Nohak-bong (225 m), Beom-san (151 m), and Giseon-bong (141 m). A bridge connecting Wando County and Sinjido was completed in 2005, and another, connecting Sinjido to Gogeum, was completed in 2017.

In 2021, the population was 3,312.

References

See also Islands of South Korea South Jeolla Province Korea Strait