Tsubakishima

Tsubakishima is an uninhabited granite island off the coast of Rikuzentakata in Iwate Prefecture, featuring large rock formations and rugged shorelines. The island juts into the Pacific and creates a distinctive natural landmark within the coastal waters.

The Japanese government designated the island as a natural monument to protect its geological value and coastal importance. This protection status reflects the recognition of its role in the natural environment and scientific interest of the area.

The name refers to a flowering plant found in the region, connecting the island to local botanical knowledge and naming traditions. Visitors can observe how the granite rocks shape the surrounding seascape and hold meaning in regional identity.

Visiting requires boat transportation arranged from mainland ports and careful timing based on sea conditions. Bring essential supplies and gear, as facilities and services on or near the island are unavailable.

The island serves as a research location for studying how granite rocks interact with marine life and coastal ecosystems. Ongoing scientific work there reveals patterns in how rock formations influence the species and habitats surrounding them.

Location: Rikuzentakata

Made from material: granite

GPS coordinates: 38.93278,141.72083

Latest update: December 9, 2025 12:25