The POTENTIALITIES OF the COAST SEMI-RIDO NORTHEASTERN the Coast of Half-Barren Northeastern has influence and diversified characteristics of two types of littoral bands that the northeast coast composes, as: The Northern Coast and the Eastern Coast. Possessing great natural contrasts, the Northern Coast obeys the stretch that goes of the river Curupi, in the Maranho, until the Handle of Is Roque in the Rio Grande of the North, where if provides ' ' you laugh maranhenses' ' , the arenaceous laces, the dunes and the trays. Already in the Eastern Band it is the typical coast beach northeastern long with coconut palms and cajueiros. In many points it has the occurrence of falsias barriers of up to 150 meters of height, deeply cut for the sea erosion. Where if it extends of the Rio Grande of the North until the Bahia, coming across itself throughout this space, a variety of littoral forms as: restingas, dunes, lagoons, fens, trays of the formation Barriers and hills. To these aspects of the geomorfologia of this sub-region littoral, if together also to the mouth of the River San Francisco and the bay of All the Saints. Thus, the Northeast with its 1,6 million km possess 45 million inhabitants more than and are detainer of the Brazilian coastal greater, 3,300 km, (45% of the coast of Brazil) differentiated in five types or main landscapes, as: The humid coasts with trays in the states of the Bahia and Sergipe; with dunes since Alagoas until the city of Bulls in the Rio Grande of the North; the half-barren coast with trays and dunes since Touros (RN) until Camocim in Cear and the coast of transistion for Amaznia (with the Delta of the Parnaba in the adjacencies of Camocim (CE) until the river Munim) seating in it one of only most beautiful landscapes in the planet that are the Maranhenses Sheets.