Cadiz, Trigg County Gateway to Lake Barkley and Land Between the Lakes. Cadiz means "gateway" in Spanish, and that's what we are-the East Gateway to Lake Barkley and Land Between The Lakes. In a word, our world is water.Whether you enjoy sailing, skiing or swimming, or if you'd rather relax by fishing or watching a sunset, come to Cadiz. Land lovers can golf, hunt, explore, camp and hike. Like history? Tour our historic downtown, listed on the National Register of Historic Places. The antique malls on Main Street offer delights to shoppers and collectors.