Catherine Island is an island in the Alexander Archipelago

Alexander Archipelago

The Alexander Archipelago is a long archipelago, or group of islands, of North America off the southeastern coast of Alaska. It contains about 1,100 islands, which are the tops of the submerged coastal mountains that rise steeply from the Pacific Ocean. Deep channels and fjords separate the...

 of southeastern Alaska

Alaska

Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...

, USA. It is part of the City and Borough of Sitka and lies just off the northeast corner of Baranof Island

Baranof Island

Baranof Island, also sometimes called Baranov Island, Shee or Sitka Island, is an island in the northern Alexander Archipelago in the Alaska Panhandle, in Alaska. The name Baranof was given in 1805 by Imperial Russian Navy captain U. F. Lisianski to honor Alexander Andreyevich Baranov...

, separated from it by Portage Arm. The U.S. Forest Service named Catherine Island in 1935 after Catherine I of Russia

Catherine I of Russia

Catherine I , the second wife of Peter the Great, reigned as Empress of Russia from 1725 until her death.-Life as a peasant woman:The life of Catherine I was said by Voltaire to be nearly as extraordinary as that of Peter the Great himself. There are no documents that confirm her origins. Born on...

. Catherine Island has a land area of 86.936 km² (33.566 sq mi) and no resident population.