33 CFR § 80.735 - Miami, FL to Long Key, FL.
(a) A line drawn from the southernmost extremity of Fisher Island 212° true to the point latitude 25°45.0′ N., longitude 80°08.6′ W., on Virginia Key.
(b) A line formed by the centerline of the highway bridge between Virginia Key and Key Biscayne.
(c) A line drawn from Cape Florida Light to the northernmost extremity on Soldier Key.
(d) A line drawn from the southernmost extremity on Soldier Key to the northernmost extremity of the Ragged Keys.
(e) A line drawn from the Ragged Keys to the southernmost extremity of Angelfish Key following the general trend of the seaward shoreline.
(f) A line drawn on the centerline of the Overseas Highway (U.S. 1) and bridges from latitude 25°19.3′ N., longitude 80°16.0′ W., at Little Angelfish Creek to the radar dome charted on Long Key at approximate position latitude 24°49.3′ N., longitude 80°49.2′ W.