33 CFR § 80.805 - Rock Island, FL to Cape San Blas, FL.

---
identifier: "/us/cfr/t33/s80.805"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 80.805 - Rock Island, FL to Cape San Blas, FL."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "80.805"
section_name: "Rock Island, FL to Cape San Blas, FL."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "D"
subchapter_name: "INTERNATIONAL NAVIGATION RULES"
part_number: "80"
part_name: "COLREGS DEMARCATION 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. 102, 503; 33 U.S.C. 151(a)."
regulatory_source: "CGD 77-118a, 42 FR 35784, July 11, 1977, unless otherwise noted. Redesignated by CGD 81-017, 46 FR 28154, May 26, 1981."
cfr_part: "80"
---


# 80.805 Rock Island, FL to Cape San Blas, FL.

(a) A south-north line drawn from the Econfina River Light to the opposite shore.

(b) A line drawn from Gamble Point Light to the southernmost extremity of Cabell Point.

(c) A line drawn from St. Mark's Range Rear Light to St. Mark's Channel Light 11; thence to the southernmost extremity of Live Oak Point; thence in a straight line through Shell Point Light to the southernmost extremity of Ochlockonee Point; thence to Bald Point along longitude 84°20.5′ W.

(d) A line drawn from the south shore of Southwest Cape at longitude 84°22.7′ W., to Dog Island Reef East Light 1; thence a straight line to the easternmost extremity of Dog Island.

(e) A line drawn from the westernmost extremity of Dog Island to the easternmost extremity of St. George Island.

(f) A line drawn across the seaward extremity of the St. George Island Channel Jetties.

(g) A line drawn from the northwesternmost extremity of Sand Island to West Pass Light 7.

(h) A line drawn from the westernmost extremity of St. Vincent Island to the southeast, highwater shoreline of Indian Peninsula at Longitude 85°13.5′ W.

[CGD 77-118a, 42 FR 35784, July 11, 1977. Redesignated by CGD 81-017, 46 FR 28154, May 26, 1981, as amended by CGD 84-091, 51 FR 7787, Mar. 6, 1986; USCG-2008-0179, 73 FR 35002, June 19, 2008; USCG-2013-0397, 78 FR 39172, July 1, 2013]