33 CFR § 80.710 - Charleston Harbor, SC.

---
identifier: "/us/cfr/t33/s80.710"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 80.710 - Charleston Harbor, SC."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "80.710"
section_name: "Charleston Harbor, SC."
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: "2026-04-05"
last_updated: "2026-04-05"
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"
---


# 80.710 Charleston Harbor, SC.

(a) A line formed by the submerged north jetty from the shore to the west end of the north jetty.

(b) A line drawn from across the seaward extremity of the Charleston Harbor Jetties.

(c) A line drawn from the west end of the South Jetty across the South Entrance to Charleston Harbor to shore on a line formed by the submerged south jetty.