This graduation job is focus on the financial system description and analysis of the economic contribution that it has had in the Caribbean region over a period of five years in terms of deposit and lending products. This research has as its fundamental purpose, knowing the financial sector as an intermediary between people and organizations and their participation in the Colombian economy. The methodology is based on the description and interpretation of data without modifying them through figures, charts and graphs that create an overall concept of the economy of the region under study and understand the evolution of the system. The proposed study seeks to understand the financial sector, its products, providing market dynamics between 2006 and 2010 and analysis that generates financial deepening in the Caribbean Region and the results indicate that there are still opportunities to improve the allocation and use credit resources.