 Northeast of these are South Elbow Cay (the westernmost named cay of Cay Sal Bank) and North Elbow Cay, the latter sometimes known just as Elbow Cay ().North Elbow Cay, which is the largest and highest of the cays, is marked by a disused conical stone lighthouse, which is high.The site is open for visitors, but the ruined tower is accessible only by boat and reaching it is extremely hazardous.