Udo Sanho Beach (Seobinbaeksa) (우도 산호해변 (서빈백사))

Located on the western side of Udo, Udo Sanho Beach (Seobinbaeksa) is a rare coral beach composed of red algae nodules, which have hardened like stone through the accumulation of calcium carbonate. Depending on the water depth, the sea displays a stunning spectrum of colors ranging from emerald to deep blue. It is a popular destination for swimming in the summer and a renowned photography spot during the spring and autumn.