The currency in Costa Rica is called the Colon. Although the exchange rate fluctuates, the New York Times publishes the current exchange rate in the business section of the paper. In addition, you can get assistance calculating conversion rates on the web at www.xe.net The currency in Costa Rica is called the Colon. Although the exchange rate fluctuates, the New York Times publishes the current exchange rate in the business section of the paper. In addition, you can get assistance calculating conversion rates on the web at www.xe.net The currency in Costa Rica is called the Colon. Although the exchange rate fluctuates, the New York Times publishes the current exchange rate in the business section of the paper. In addition, you can get assistance calculating conversion rates on the web at www.xe.net blah