Abacoa is a community in Palm Beach County in the U.S. state of Florida, within the outer city limits of Jupiter. Construction began in 1997 on land once owned by the American businessman John D. MacArthur. Abacoa is a 2,055-acre, master-planned, mixed-use community being built around the concepts and principles of Traditional Neighborhood Development. It is split into 17 different neighborhoods, each containing its own style of architecture.