Part 80 — COLREGS Demarcation Lines
Current through Sep 9, 2026
Authority: 14 U.S.C. 102, 503; 33 U.S.C. 151(a).
Source: CGD 77-118a, 42 FR 35784, July 11, 1977, unless otherwise noted. Redesignated by CGD 81-017, 46 FR 28154, May 26, 1981.
Editorial Note: Nomenclature changes to part 80 appear by USCG-2025-0186, 90 FR 12238, Mar. 17, 2025, and by USCG-2025-0716, 90 FR 47585-47586, Oct. 2, 2025.
Sections
- § 80.01 General basis and purpose of demarcation lines.
- § 80.105 Calais, ME to Cape Small, ME.
- § 80.110 Casco Bay, ME.
- § 80.115 Portland Head, ME to Cape Ann, MA.
- § 80.120 Cape Ann, MA to Marblehead Neck, MA.
- § 80.125 Marblehead Neck, MA to Nahant, MA.
- § 80.130 Boston Harbor entrance.
- § 80.135 Hull, MA to Race Point, MA.
- § 80.145 Race Point, MA, to Watch Hill, RI.
- § 80.150 Block Island, RI.
- § 80.155 Watch Hill, RI to Montauk Point, NY.
- § 80.160 Montauk Point, NY to Atlantic Beach, NY.
- § 80.165 New York Harbor.
- § 80.501 Sandy Hook, NJ to Tom's River, NJ.
- § 80.502 Tom's River, NJ to Cape May, NJ.
- § 80.503 Delaware Bay.
- § 80.505 Cape Henlopen, DE to Cape Charles, VA.
- § 80.510 Chesapeake Bay Entrance, VA.
- § 80.515 Cape Henry, VA to Cape Hatteras, NC.
- § 80.520 Cape Hatteras, NC to Cape Lookout, NC.
- § 80.525 Cape Lookout, NC to Cape Fear, NC.
- § 80.530 Cape Fear, NC to Little River Inlet, NC.
- § 80.703 Little River Inlet, SC to Cape Romain, SC.
- § 80.707 Cape Romain, SC to Sullivans Island, SC.
- § 80.710 Charleston Harbor, SC.
- § 80.712 Morris Island, SC to Hilton Head Island, SC.
- § 80.715 Savannah River.
- § 80.717 Tybee Island, GA to St. Simons Island, GA.
- § 80.720 St. Simons Island, GA to Amelia Island, FL.
- § 80.723 Amelia Island, FL to Cape Canaveral, FL.
- § 80.727 Cape Canaveral, FL to Miami Beach, FL.
- § 80.730 Miami Harbor, FL.
- § 80.735 Miami, FL to Long Key, FL.
- § 80.738 Puerto Rico and Virgin Islands.
- § 80.740 Long Key, FL to Cape Sable, FL.
- § 80.745 Cape Sable, FL to Cape Romano, FL.
- § 80.748 Cape Romano, FL to Sanibel Island, FL.
- § 80.750 Sanibel Island, FL to St. Petersburg, FL.
- § 80.753 St. Petersburg, FL to the Anclote, FL.
- § 80.755 Anclote, FL to the Suncoast Keys, FL.
- § 80.757 Suncoast Keys, FL to Horseshoe Point, FL.
- § 80.760 Horseshoe Point, FL to Rock Island, FL.
- § 80.805 Rock Island, FL to Cape San Blas, FL.
- § 80.810 Cape San Blas, FL to Perdido Bay, FL.
- § 80.815 Mobile Bay, AL to the Chandeleur Islands, LA.
- § 80.825 Mississippi Passes, LA.
- § 80.830 Mississippi Passes, LA to Point Au Fer, LA.
- § 80.835 Point Au Fer, LA to Calcasieu Pass, LA.
- § 80.840 Sabine Pass, TX to Galveston, TX.
- § 80.845 Galveston, TX to Freeport, TX.
- § 80.850 Brazos River, TX to the Rio Grande, TX.
- § 80.1102 Santa Catalina Island, CA.
- § 80.1104 San Diego Harbor, CA.
- § 80.1106 Mission Bay, CA.
- § 80.1108 Oceanside Harbor, CA.
- § 80.1110 Dana Point Harbor, CA.
- § 80.1112 Newport Bay, CA.
- § 80.1114 San Pedro Bay—Anaheim Bay, CA.
- § 80.1116 Redondo Harbor, CA.
- § 80.1118 Marina Del Rey, CA.
- § 80.1120 Port Hueneme, CA.
- § 80.1122 Channel Islands Harbor, CA.
- § 80.1124 Ventura Marina, CA.
- § 80.1126 Santa Barbara Harbor, CA.
- § 80.1130 San Luis Obispo Bay, CA.
- § 80.1132 Estero-Morro Bay, CA.
- § 80.1134 Monterey Harbor, CA.
- § 80.1136 Moss Landing Harbor, CA.
- § 80.1138 Santa Cruz Harbor, CA.
- § 80.1140 Pillar Point Harbor, CA.
- § 80.1142 San Francisco Harbor, CA.
- § 80.1144 Bodega and Tomales Bay, CA.
- § 80.1146 Albion River, CA.
- § 80.1148 Noyo River, CA.
- § 80.1150 Arcata-Humboldt Bay, CA.
- § 80.1152 Crescent City Harbor, CA.
- § 80.1305 Chetco River, OR.
- § 80.1310 Rogue River, OR.
- § 80.1315 Coquille River, OR.
- § 80.1320 Coos Bay, OR.
- § 80.1325 Umpqua River, OR.
- § 80.1330 Siuslaw River, OR.
- § 80.1335 Alsea Bay, OR.
- § 80.1340 Yaquina Bay, OR.
- § 80.1345 Depoe Bay, OR.
- § 80.1350 Netarts Bay, OR.
- § 80.1355 Tillamook Bay, OR.
- § 80.1360 Nehalem River, OR.
- § 80.1365 Columbia River Entrance, OR/WA.
- § 80.1370 Willapa Bay, WA.
- § 80.1375 Grays Harbor, WA.
- § 80.1380 Quillayute River, WA.
- § 80.1385 Strait of Juan de Fuca.
- § 80.1390 Haro Strait and Strait of Georgia.
- § 80.1395 Puget Sound and adjacent waters.
- § 80.1410 Hawaiian Island Exemption from General Rule.
- § 80.1420 Mamala Bay, Oahu, HI.
- § 80.1430 Kaneohe Bay, Oahu, HI.
- § 80.1440 Port Allen, Kauai, HI.
- § 80.1450 Nawiliwili Harbor, Kauai, HI.
- § 80.1460 Kahului Harbor, Maui, HI.
- § 80.1470 Kawaihae Harbor, Hawaii, HI.
- § 80.1480 Hilo Harbor, Hawaii, HI.
- § 80.1490 Apra Harbor, U.S. Territory of Guam.
- § 80.1495 U.S. Pacific Island Possessions.
- § 80.1705 Alaska.