A line drawn from the microwave tower charted on Long Key at approximate position latitude 24[deg]48.8[min] N., longitude 80[deg]49.6[min] 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. [USCG-2013-0397, 78 FR 39172, July 1, 2013]