Fan worms (Sabellidae: Polychaeta) are known to inhabit deep-sea environments and some species have been reported from hydrothermal vents. However, this is the first record of a Bispira species from this environment. The specimens identified as Bispira wireni were collected at the Izena Hole, Okinawa Trough, Japan. We describe the specimens from this location and provide new insights about the morphological features of this species, previously reported from sediments at 150–300 m in Sagami Bay.