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Vietnam Steps Up Spratly Reclamation, Transforming Reefs Into New Islands

CSIS satellite imagery shows a surge that could soon eclipse China’s reclaimed acreage.

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This satellite photo shared by AMTI shows Vietnam's land reclamation activities at Barque Canada Reef in the contested Spratly Islands, on August 1, 2025.

Overview

  • New CSIS/AMTI imagery documents Vietnamese dredging and landfill at eight Spratly features not previously built up.
  • Once small outposts have been turned into artificial islands at Alison, Collins, East, Landsdowne and Petley reefs.
  • Vietnam has also expanded earlier works at Amboyna Cay, Grierson Reef and West Reef.
  • The report says Vietnam’s current pace could put it ahead of China in total recent land reclamation.
  • Analysts warn the build-out may strain ASEAN unity among overlapping claimants including the Philippines, Malaysia and Brunei, while Beijing asserts broad claims over the waterway.