Northeast Investigator Shoal, also known as Dalagang Bukid Shoal (Filipino: Buhanginan ng Dalagang Bukid, lit.

'Sandbank of the Field Maiden'); Mandarin Chinese: 海口礁; pinyin: Hǎikǒu Jiāo; Vietnamese: Bãi Phù Mỹ, also marked as Investigator Northeast Shoal on some nautical charts, is an atoll in the Spratly Islands in the South China Sea.

[1][2] The submerged coral atoll is located 32 nautical miles (59 km; 37 mi) from Bombay Shoal [zh] at 09°10′N 116°28′E / 9.167°N 116.467°E / 9.167; 116.467 (Northeast Investigator Shoal).

A small feature with an area of just 2 square kilometres (0.77 sq mi), the atoll has a few rocks at its western edge that are just visible at high water.

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