are covered with vegetation and consequently form islands which are lined with white sand beaches.

In Nicaragua, the Miskito Cay (Cayo Miskito), also known as Cayo Mayor, is the largest and most important cay located in the center of the archipelago measuring 37 km². Other main islands are Maras Cay, Nasa Cay, and Morrison Denis Cay. The Miskito Cays Biological Reserve is one of 78 protected areas of Nicaragua,