Key Facts about Thitu Island

June 9, 2025

A Chinese ship was recently struck aground in severe weather in shallow seas off Philippine-occupied Thitu island in the disputed South China Sea, causing Filipino soldiers to be on high alert.

About Thitu Island:

  • Thitu Island (also known as Pag-asa Island in the Philippines) is located in the South China Sea, specifically within the Spratly Islands archipelago.
    • The Spratly Islands consist of more than 100 small islands or reefs in the South China Sea.
    • They are claimed in their entirety by China, Taiwan, and Vietnam, while portions are claimed by Malaysia and the Philippines.
  • Thitu Island is the second largest of the naturally occurring Spratly Islands and the largest of nine islands occupied by the Philippines.
  • Thitu Island is home to a Philippine fishing village and Filipino forces.
  • It has been administered by the Philippines since 1971, with civilian settlement initiated in the mid‑1990s.
  • It has a permanent civilian population, including a school and airport (Rancudo Airfield), a large harbor, and a lighthouse for navigation.
  • It is only about 24–27 km from China’s Subi Reef, which hosts a large military base.

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