Irving Reef

Irving Reef, also known as Balagtas Reef (");" Mandarin , , is a coral reef in the Spratly Islands, South China Sea. It is occupied by the Philippines as part of the Kalayaan Islands, Palawan, and is also claimed by the People's Republic of China, the Republic of China (Taiwan) and Vietnam.
The reef is southwest of West York Island (known as Likas Island in the Philippines). It is in length. There is a sand cay near the northern extremity.
The Filipino(Tagalog) name, "Balagtas Reef," is named after the Filipino poet, Francisco Balagtas.