North America

• Cat Island (Bahamas)
  Cat Island (Bahamas)
  Cat Island is in the central Bahamas, and one of its districts, and has the nation's highest point. Its Mount Alvernia rises to 206 ft and is topped by a monastery called The Hermitage. This assembly of buildings was erected by the Franciscan "Brother Jerome" .The first European settlers were...
  
  , Bahamas
• Cat Island (Arkansas), United States
• Cat Island (Connecticut), United States
• Cat Island (Massachusetts), United States
• Cat Island (Mississippi)
  Cat Island (Mississippi)
  Cat Island is a barrier island off the Gulf Coast of the United States. The island is named for raccoons which Spanish explorers mistook for cats. It is unknown who discovered Cat Island. It was called Isle-aux-Chats and Isola de Gati in French and Italian, respectively. It is within the...
  
  , United States
• Cat Island (South Carolina) - one of the Sea Islands
  Sea Islands
  The Sea Islands are a chain of tidal and barrier islands on the Atlantic Ocean coast of the United States. They number over 100, and are located between the mouths of the Santee and St. Johns Rivers along the coast of the U.S...
  
   in Beaufort County, South Carolina, United States
• Cat Island (Wisconsin)
  Cat Island (Wisconsin)
  Cat Island is a Wisconsin island in Lake Superior. It is one of the Apostle Islands and a part of the Apostle Islands National Lakeshore. It is located at . Variant names include Caterhemlock Island and Kagagiwanijikag Miniss...
  
  , United States
• Cat Island (Westfield, NJ) United States

Novels

• Cat Island (novel), a 1981 science fiction novel by Walter Jon Williams
  Walter Jon Williams
  Walter Jon Williams is an American writer, primarily of science fiction.Several of Williams' novels have a distinct cyberpunk feel to them, notably Hardwired , Voice of the Whirlwind and Angel Stationn...