Costa Rica is 3.7 times larger than Bahamas.
Area: 13,880 km2 World Factbook
Population: 321,834 (July 2014) World Factbook
The Bahamas, officially the Commonwealth of the Bahamas, is an island country consisting of more than 700 islands, cays, and islets in the Atlantic Ocean; north of Cuba and Hispaniola; northwest of the Turks and Caicos Islands; southeast of the U.S. state of Florida and east of the Florida Keys. Wikipedia
Area: 51,100 km2 World Factbook
Population: 4,755,234 (July 2014) World Factbook
Costa Rica, officially the Republic of Costa Rica, is a country in Central America, bordered by Nicaragua to the north, Panama to the southeast, the Pacific Ocean to the west, the Caribbean Sea to the east, and Ecuador to the south of Cocos Island. Wikipedia