Royal Captain Shoal, also known as Kanduli Shoal (Filipino: Buhanginan ng Kanduli); Mandarin Chinese: 艦長礁/舰长礁; pinyin: Jiànzhǎng Jiāo; Vietnamese: Bãi Đồi Mồi, is an atoll in the South China Sea and a part of Spratly Islands.

[2] In December 1773, Royal Captain was carrying Chinese merchandise (porcelain, tea, silk, glass and gold etc.)

and a few passengers as made her journey from Canton, China to British port at Balambangan Island, situated in north of Sabah and to the west of Pulau Banggi.

[2] Spread over an area of 8 square kilometres, Royal Captain Shoal is centered at 9°01’N 116°40’E near the Palawan Passage.

[3] It lies off the coast of Palawan, Philippines and consists of a few rocks that are above water at low tide that surrounded a lagoon.