This Marine IBA is identified using tracking data. It falls within the French Southern Territories Exclusive Economic Zone (EEZ) and the Indian Ocean, FAO ocean region. The site covers an area of 3759 km2 and is 66 km away from the closet coastline. The depth ranges from 152 to 666 m, mean annual sea surface temperature falls between 2.21 and 2.53 °C and mean annual chlorophyll-a concentrations found to range between 0.22 and 0.53 mg/m3.
3 species trigger IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 173-1115 individuals of Wandering Albatross (VU) from Iles Kerguelen are present at the site during the Incubation (Dec-Mar) and Juvenile (Nov-Dec) life-history stages. 43875-200561 individuals of White-chinned Petrel (VU) from Iles Kerguelen are present at the site during the Breeding (Oct-May) life-history stage.