33 CFR § 80.110 - Casco Bay, Me.
---
identifier: "/us/cfr/t33/s80.110"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 80.110 - Casco Bay, ME."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "80.110"
section_name: "Casco Bay, ME."
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"
---
# 80.110 Casco Bay, ME.
(a) A line drawn from the southwesternmost extremity of Bald Head at Cape Small to the southeasternmost extremity of Ragged Island; thence to the southern tangent of Jaquish Island thence to Little Mark Island Monument Light; thence to the northernmost extremity of Jewell Island.
(b) A line drawn from the tower on Jewell Island charted in approximate position latitude 43°40.6′ N., longitude 70°05.9′ W. to the northeasternmost extremity of Outer Green Island.
(c) A Line drawn from the southwesternmost extremity of Outer Green Island to Ram Island Ledge Light; thence to Portland Head Light.
[CGD 77-118a, 42 FR 35784, July 11, 1977. Redesignated by CGD 81-017, 46 FR 28154, May 26, 1981, as amended by USCG-2013-0397, 78 FR 39171, July 1, 2013]