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Lankiam Cay 10°43′N 114°32′E / 10.717°N 114.533°E / 10.717; 114.533 (Tagalog: Panata, literally "oath"; Chinese: 杨信沙洲; pinyin: Yangxin Shazhou; Vietnamese: đá An Nhơn) is the smallest of the naturally occurring Spratly Islands. It has an area of 0.44 hectares (1.1 acres) (4,400 sq. m), and is located about 7 nautical miles (13 km; 8.1 mi) east-northeast of Philippine-occupied Loaita (Kota) Island,[1] just west of the north of Dangerous Ground.[2]

Lankiam Cay
Disputed island
Lankiam Cay is located in South China Sea
Lankiam Cay
LocationSouth China Sea
Coordinates10°43′N 114°32′E / 10.717°N 114.533°E / 10.717; 114.533 (Lankiam Cay)Coordinates: 10°43′N 114°32′E / 10.717°N 114.533°E / 10.717; 114.533 (Lankiam Cay)
ArchipelagoSpratly Islands
Administered by
MunicipalityKalayaan, Palawan
Claimed by
People's Republic of China
Republic of China (Taiwan)

The island is administered by the Philippines as part of Kalayaan, Palawan, and is the eighth largest of the Philippine-occupied islands. It is also claimed by the People's Republic of China, the Republic of China (Taiwan), and Vietnam.



At one time the island had a surface area of more than 5 hectares, but strong waves brought by a strong typhoon washed out the sandy surface (beach) of the island leaving behind the calcarenite foundation that can be seen at low tide. It has a wide lagoon.

Philippine occupationEdit

The island is guarded by soldiers stationed at nearby Loaita Island who regularly visit. It is kept under observation from a tall structure on Loaita Island.

The location of this outpost, which the Philippines calls Panata Island, is often misreported as being on Lankiam Cay, to the east of Loaita Island. While reports suggest Lankiam was once a small sandy cay, it appears to have been washed away, leaving only a submerged reef and a small, shifting sand bar. If there was ever a Filipino facility there, it was moved to Loaita Cay and took the name “Panata Island” with it.[3]

See alsoEdit


  1. ^ Sailing Directions (Enroute), Pub. 161: South China Sea and the Gulf of Thailand (PDF). Sailing Directions. United States National Geospatial-Intelligence Agency. 2017. p. 13.
  2. ^ NGA Chart 93044 shows the area NW of Dangerous Ground.
  3. ^ PHILIPPINES LAUNCHES SPRATLY RUNWAY REPAIRS Asia Maritime Transparency Initiative.

External linksEdit