The Médanos Isthmus is a sandy isthmus in Venezuela that connects the Paraguaná Peninsula with the rest of Falcón State. The isthmus is approximately 6 km (3.73 miles) wide and 27 km (16.78 miles) long. It is the site of the Médanos de Coro National Park.
The isthmus is in the Paraguana xeric scrub ecoregion.
Coordinates: 11°36′00″N 69°43′30″W / 11.60000°N 69.72500°W