80.740—Long Key, FL to Cape Sable, FL.
A line drawn from the microwave tower charted on Long Key at approximate position latitude 24°48.8′ N. longitude 80°49.6′ W. to Long Key Light 1; thence to Arsenic Bank Light 2; thence to Sprigger Bank Light 5; thence to Schooner Bank Light 6; thence to Oxfoot Bank Light 10; thence to East Cape Light 2; thence through East Cape Daybeacon 1A to the shoreline at East Cape.