The islands were formed by volcanic eruptions and peaks of drowned mountain ranges created by volcanic activity in the Cretaceous period.
http://wiki.answers.com/How_were_the_Caribbean_Islands_formed#ixzz1NOjER9IL
Caribbean Netherlands was created in 2010.
Caribbean School was created in 1954.
Caribbean University was created in 1969.
Caribbean Gold was created in 1952.
Caribbean Beat was created in 1991.
Caribbean Sunset was created in 1984.
Counterpart Caribbean was created in 1996.
Caribbean Cup was created in 1989.
Aero Caribbean was created in 1982.
Caribbean Motel was created in 1957.
Witches of the Caribbean was created in 2005.
Caribbean Community was created in 2001.