Twenty years ago a Canadian developer won the right to build golf courses and condominiums across 2.5 miles of lush green ridgeline and crescent beaches lapped by the emerald waters of the Florida Straits just 40 miles from Havana.

Year after year, the plan failed to materialize. Then, the U.S. and Cuba declared detente, setting off a boom in tourism. Now, Montreal-based developer 360 VOX says it is preparing to break ground on a $1.4 billion development with 27 holes of golf, four luxury hotels and 2,700 high-end villas and apartments for sale to foreigners.