Saint Lucia is 39% larger than Curaçao.
Area: 444 km2 World Factbook
Population: 146,836 (July 2013) World Factbook
Curaçao is an island in the southern Caribbean Sea, off the Venezuelan coast, that forms part of the Dutch Caribbean. The Country of Curaçao, which includes the main island and the small, uninhabited island of Klein Curaçao, is a constituent country of the Kingdom of the Netherlands. Wikipedia
Area: 616 km2 World Factbook
Population: 163,362 (July 2014) World Factbook
Saint Lucia is a sovereign island country in the eastern Caribbean Sea on the boundary with the Atlantic Ocean. Part of the Lesser Antilles, it is located north/northeast of the island of Saint Vincent, northwest of Barbados and south of Martinique. Wikipedia