Similar to ダンカン島

First Thomas Shoal

Subi Reef

Second Thomas Shoal

Hughes Reef

Mischief Reef

Ardasier Reef

Battle of the Paracel Islands

Scarborough Shoal

Half Moon Shoal

Amboyna Cay

Investigator Shoal

Western Reef

West London Reef

Erica Reef

Gaven Reefs

Collins Reef

Nine-dash line

Cuarteron Reef

Lansdowne Reef