Why So Many Retirees Are Flocking to this Region of Costa Rica On the northwest coast of Costa Rica lies the province of Guanacaste. Nicaragua borders it to the north, and it stretches south along the Nicoya. Known as the "Gold Coast," Guanacaste beckons visitors to explore its rich culture and numerous beautiful beaches. Guanacaste is fast becoming a haven for many retirees, as its dry, flat plains...