Saddle Rock (Seal Rock), South Farallones
From Islapedia
Saddle Rock (Seal Rock), South Farallones is located about 800 feet off the southern shore of the Southeast Farallon Island; is about 350 feet by 800 feet) in size; and 80 feet high depending upon the tide.
Historically named Seal Rock due to the presence of numerous seals and seal lions. In the absence of numerous pinnipeds, today it is usually called Saddle Rock, re-named for its saddle like shape.