7 mi. SW of Dolgoi I., in Pavlof Is., Aleutian Range. 3 miles long.
Native name published by Captain Tebenkov (1852, map 24), Imperial Russian Navy (IRN), as "O(strov) Iliaviki," and by the Russian Hydrographic Dept. as "O(strov) Iliazhek" on Chart 1379. "Inner Iliasik Island" was published in 1888 by U.S. Bureau of Fisheries (USBF). This island along with Outer Iliasik Island comprise the Iliasik Islands.