Both the island and the rock were charted and descriptively named by Discovery Investigations personnel in 1935.
Location
Pyramid Island is located at 62°25′09.9″S60°05′59.2″W / 62.419417°S 60.099778°W / -62.419417; -60.099778 which is 4.8 km (3.0 mi) northwest of Duff Point, Greenwich Island, 3.36 km (2.09 mi) north by west of Meade Islands, 3.78 km (2.35 mi) north-northeast of Williams Point and 1.76 km (1.09 mi) northeast of Koshava Island, Zed Islands (British mapping in 1820, 1935, 1948 and 1968, Argentine in 1948 and 1954, Chilean in 1971, Spanish in 1991, and Bulgarian in 2005 and 2009).