After years of consistency in patrolling all corners of Beijing’s nine-dash line claim, the China Coast Guard (CCG) made a major shift in 2025 to focus its efforts on Scarborough Shoal and Sabina Shoal. Analysis of AIS data from commercial provider Starboard Maritime Intelligence indicates that while China’s overall patrol volume has increased compared to […] Continue Reading

Barque Canada Reef, May 11, 2024
Photo:  Barque Canada Reef, May 11, 2024

Island Tracker

Five claimants occupy nearly 70 disputed reefs and islets spread across the South China Sea. They have built more than 90 outposts on these contested features, many of which have seen expansion in recent years.

Maps of the Asia Pacific

AMTI’s interactive maps strive to provide the most complete, accurate, and up-to-date source of geospatial information on maritime Asia.

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