Emerald Cove ( ) is a cove 2 nmi wide, lying between North Foreland and Brimstone Peak on the north coast of King George Island, in the South Shetland Islands. The name "Shireff's Cove" (with one 'r') was given by William Smith in 1819, after Captain William H. Shirreff of the Royal Navy, to whom he reported his discovery of the South Shetland Islands