WEBOkinotorishima (沖ノ鳥島, Okinotori-shima), or Parece Vela, is a coral reef, geologically an atoll, with two rocks enlarged with tetrapod-cement structures. It is administered by Japan with a total shoal area of 8,482 m 2 (2.10 acres) and land area 9.44 m 2 (101.6 sq ft). [1]