2.5 mi. NE of tip of Cape Newenham, in Kuskokwim Bay, 7 mi. W of Castle Rock, Kilbuck-Kuskokwim Mts.
Local name reported in 1948 by U.S. Geological Survey (USGS). The name "Seal Rock" was published by U.S. Coast and Geodetic Survey (USC&GS) on Chart 9103.