Have you considered Uruguay? It's the "new" Costa Rica.
http://www.viviun.com/Real_Estate/Uruguay/
Hundreds of kilometers of beautiful beaches, sophisticated cities, and culture. Fantastic food, perfect infrastructure, a moderate climate with summer during the opposite months of North America and Europe (December-February), the highest standard of living and life expectancy in Latin America with the lowest crime rate and level of corruption, political and economic stability, favorable laws for foreign investment, confidentiality and offshore banking.