Could Vietnam’s new South China Sea bases open a ‘Pandora’s box’ of competitive island building?

The scale of Hanoi’s land reclamation operations is fast surpassing Beijing’s in the contested Spratly Islands, write John Pollock and Damien Symon.

The World Today

Published 16 March 2026

Updated 17 March 2026 — 4 minute READ

Image — Amboyna Cay, Spratly Islands, November 2025: Lying near Barque Canada Reef, the island is south of the Spratly Islands near features occupied by Malaysia. Photo: Vantor.

Damien Symon

Geo-intelligence researcher, The Intel Lab

Vietnam is rapidly expanding its military bases on reefs and shoals in the South China Sea, including the building of harbours and airstrips, new satellite imagery shows. 

The land reclamation work expanded to all 21 reefs, shoals and sandbanks controlled by Hanoi in the contested Spratly Islands. The archipelago falls within the Exclusive Economic Zones of six countries – Vietnam, China, the Philippines, Taiwan, Malaysia and Brunei – all of whom have competing claims over the Spratlys as well as military outposts.

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