Cabo Pulmo is a national marine park on the east coast of Mexico's Baja California Peninsula, Pulmo Point to Los Frailes Cape, approximately 60 miles (100 km) north of Cabo San Lucas. Bahía Pulmo is the location of the oldest of only three coral reefs on the west coast of North America. The reef, estimated to be 20,000 years old, is the northernmost coral reef in the eastern Pacific.