46 CFR § 7.100 - Florida Reefs and Keys from Miami, FL to Marquesas Keys, FL.
---
identifier: "/us/cfr/t46/s7.100"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 7.100 - Florida Reefs and Keys from Miami, FL to Marquesas Keys, FL."
title_number: 46
title_name: "Shipping"
section_number: "7.100"
section_name: "Florida Reefs and Keys from Miami, FL to Marquesas Keys, FL."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "A"
subchapter_name: "PROCEDURES APPLICABLE TO THE PUBLIC"
part_number: "7"
part_name: "BOUNDARY LINES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "14 U.S.C. 503; 33 U.S.C. 151; DHS Delegation 00170.1, Revision No. 01.4."
regulatory_source: "CGD 81-058, 50 FR 25230, June 18, 1985, unless otherwise noted."
cfr_part: "7"
---
# 7.100 Florida Reefs and Keys from Miami, FL to Marquesas Keys, FL.
(a) A line drawn from the tower located in approximate position latitude 25°46.7′ N. longitude 80°08′ W. to latitude 25°46.1′ N. longitude 80°05.0′ W. (Miami Lighted Whistle Buoy “M”); thence to Fowey Rocks Light (latitude 25°35.4′ N. longitude 80°05.8′ W.); thence to Pacific Reef Light (latitude 25°22.3′ N. longitude 80°08.5′ W.) thence to Carysfort Reef Light (latitude 25°13.3′ N. longitude 80°12.7′ W.); thence to Molasses Reef Light “10” (latitude 25°00.7′ N. longitude 80°22.6′ W.); thence to Alligator Reef Light (latitude 24°51.1 N. longitude 80°37.1′ W.); thence to Tennessee Reef Light (latitude 24°44.7′ N. longitude 80°46.9′ W.); thence to Sombrero Key Light (latitude 24°37.6′ N. longitude 81°06.6′ W.); thence to American Shoal Light (latitude 24°31.5′ N. longitude 81°31.2′ W.); thence to latitude 24°27.7′ N. longitude 81°48.1′ W. (Key West Entrance Lighted Whistle Buoy); thence to Cosgrove Shoal Light (latitude 24°27.5′ N. longitude 82°11.2′ W.); thence due north to a point 12 miles from the baseline from which the territorial sea is measured in approximate position latitude 24°47.5′ N. longitude 82°11.2′ W.