33CFR80
- COLREGS DEMARCATION LINES
ATLANTIC COAST - DISTRICT SEVEN
Seventh district
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Atlantic Coast
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.
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Puerto Rico and Virgin Islands
80.738 Puerto Rico and Virgin Islands.
Gulf Coast
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 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.
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§ 80.703 Little River Inlet, SC to Cape Romain, SC.
(a) A line drawn from the westernmost extremity of the sand spit on Bird Island to the easternmost extremity of Waties Island across Little River Inlet.
(b) From Little River Inlet, a line drawn parallel with the general trend of the highwater shoreline across Hog Inlet; thence a line drawn across the seaward ends of the Murrels Inlet jetties; thence a line drawn parallel with the general trend of the highwater shoreline across Midway Inlet, Pawleys Inlet, and North Inlet.
(c) A line drawn from the charted position of Winyah Bay North Jetty End Buoy 2N south to the Winyah Bay South Jetty.
(d) A line drawn from Santee Point to the seaward tangent of Cedar Island.
(e) A line drawn from Cedar Island Point west to Murphy Island.
(f) A north-south line (longitude 79°20.3' W.) drawn from Murphy Island to the northernmost extremity of Cape Island Point.
§ 80.707 Cape Romain, SC to Sullivans Island, SC.
(a) A line drawn from the western extremity of Cape Romain 292° true to Racoon Key on the west side of Racoon Creek.
(b) A line drawn from the westernmost extremity of Sandy Point across Bull Bay to the northernmost extremity of Northeast Point.
(c) A line drawn from the southernmost extremity of Bull Island to the easternmost extremity of Capers Island.
(d) A line formed by the overhead power cable from Capers Island to Dewees Island.
(e) A line formed by the overhead power cable from Dewees Island to Isle of Palms.
(f) A line formed by the centerline of the highway bridge between Isle of Palms and Sullivans Island over Breach Inlet.
Back to Top § 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.
Back to Top § 80.712 Morris Island, SC to Hilton Head Island, SC.
(a) A line drawn from the easternmost tip of Folley Island to the abandoned lighthouse tower on the northside of Lighthouse Inlet; thence west to the shoreline of Morris Island.
(b) A straight line drawn from the seaward tangent of Folly Island through Folly River Daybeacon 10 across Stono River to the shoreline of Sandy Point.
(c) A line drawn from the southernmost extremity of Seabrook Island 257° true across the North Edisto River Entrance to the shore of Botany Bay Island.
(d) A line drawn from the microwave antenna tower on Edisto Beach charted in approximate position latitude 32°29.3' N. longitude 80°19.2' W. across St. Helena Sound to the abandoned lighthouse tower on Hunting Island.
(e) A line formed by the centerline of the highway bridge between Hunting Island and Fripp Island.
(f) A line drawn from the westernmost extremity of Bull Point on Capers Island to Port Royal Sound Channel Range Rear Light, latitude 32°13.7' N. longitude 80°36.0' W.; thence 259° true to the easternmost extremity of Hilton Head at latitude 32°13.0' N. longitude 80°40.1' W.
Back to Top § 80.715 Savannah River.
A line drawn from the southernmost tank on Hilton Head Island charted in approximate position latitude 32°06.7' N. longitude 80° 49.3' W. to Bloody Point Range Rear Light; thence to Tybee (Range Rear) Light.
Back to Top § 80.717 Tybee Island, GA to St. Simons Island, GA.
(a) A line drawn from the southernmost extremity of Savannah Beach on Tybee Island 255° true across Tybee Inlet to the shore of Little Tybee Island south of the entrance to Buck Hammock Creek.
(b) A straight line drawn from the northeasternmost extremity of Wassaw Island 031° true through Tybee River Daybeacon 1 to the shore of Little Tybee Island.
(c) A line drawn approximately parallel with the general trend of the highwater shorelines from the seaward tangent of Wassau Island to the seaward tangent of Bradley Point on Ossabaw Island.
(d) A north-south line (longitude 81°8.4' W.) drawn from the southernmost extremity of Ossabaw Island to St. Catherines Island.
(e) A north-south line (longitude 81°10.6' W.) drawn from the southernmost extremity of St. Catherines Island to Northeast Point on Blackbeard Island.
(f) A line following the general trend of the seaward highwater shoreline across Cabretta Inlet.
(g) A north-south line (longitude 81°16.9' W.) drawn from the south-westernmost point on Sapelo Island to Wolf Island.
(h) A north-south line (longitude 81°17.1' W.) drawn from the south-easternmost point of Wolf Island to the northeasternmost point on Little St. Simons Island.
(i) A line drawn from the northeasternmost extremity of Sea Island 045° true to Little St. Simons Island.
(j) An east-west line from the southernmost extremity of Sea Island across Goulds Inlet to St. Simons Island.
Back to Top § 80.720 St. Simons Island, GA to Amelia Island, FL.
(a) A line drawn from St. Simons Light to the northernmost tank on Jekyll Island charted in approximate position latitude 31°05.9' N. longitude 81°24.5' W.
(b) A line drawn from the southernmost tank on Jekyll Island charted in approximate position latitude 31°01.6' N. longitude 81°25.2' W. to coordinate latitude 30°59.4' N. longitude 81°23.7' W. (0.5 nautical mile east of the charted position of St. Andrew Sound Lighted Buoy 32); thence to the abandoned lighthouse tower on the north end of Little Cumberland Island charted in approximate position latitude 30°58.5' N. longitude 81°24.8' W.
(c) A line drawn across the seaward extremity of the St. Marys River Entrance Jetties.
Back to Top § 80.723 Amelia Island, FL to Cape Canaveral, FL.
(a) A line drawn from the southernmost extremity of Amelia Island to the northeasternmost extremity of Little Talbot Island.
(b) A line formed by the centerline of the highway bridge from Little Talbot Island to Fort George Island.
(c) A line drawn across the seaward extremity of the St. Johns River Entrance Jetties.
(d) A line drawn across the seaward extremity of the St. Augustine Inlet Jetties.
(e) A line formed by the centerline of the highway bridge over Matanzas Inlet.
(f) A line drawn across the seaward extremity of the Ponce de Leon Inlet Jetties.
Back to Top § 80.727 Cape Canaveral, FL to Miami Beach, FL.
(a) A line drawn across the seaward extremity of the Port Canaveral Entrance Channel Jetties.
(b) A line drawn across the seaward extremity of the Sebastian Inlet Jetties.
(c) A line drawn across the seaward extremity of the Fort Pierce Inlet Jetties.
(d) A north-south line (longitude 80°09.7' W.) drawn across St. Lucie Inlet.
(e) A line drawn from the seaward extremity of Jupiter Inlet North Jetty to the northeast extremity of the concrete apron on the south side of Jupiter Inlet.
(f) A line drawn across the seaward extremity of the Lake Worth Inlet Jetties.
(g) A line drawn across the seaward extremity of the Boynton Inlet Jetties.
(h) A line drawn from Boca Raton Inlet North Jetty Light 2 to Boca Raton Inlet South Jetty Light 1.
(i) A line drawn from Hillsboro Inlet Light to Hillsboro Inlet Entrance Light 2; thence to Hillsboro Inlet Entrance Light 1; thence west to the shoreline.
(j) A line drawn across the seaward extremity of the Port Everglades Entrance Jetties.
(k) A line formed by the centerline of the highway bridge over Bakers Haulover Inlet.
Back to Top § 80.730 Miami Harbor, FL.
A line drawn across the seaward extremity of the Miami Harbor Government Cut Jetties.
Back to Top § 80.735 Miami, FL to Long Key, FL.
(a) A line drawn from the southernmost extremity of Fisher Island 212° true to the point latitude 25°45.0' N. longitude 80°08.6' W. on Virginia Key.
(b) A line formed by the centerline of the highway bridge between Virginia Key and Key Biscayne.
(c) A line drawn from Cape Florida Light to the northernmost extremity on Soldier Key.
(d) A line drawn from the southernmost extremity on Soldier Key to the northernmost extremity of the Ragged Keys.
(e) A line drawn from the Ragged Keys to the southernmost extremity of Angelfish Key following the general trend of the seaward shoreline.
(f) A line drawn on the centerline of the Overseas Highway (U.S. 1) and bridges from latitude 25°19.3' N. longitude 80°16.0' W. at Little Angelfish Creek to the radar dome charted on Long Key at approximate position latitude 24°49.3' N. longitude 80°49.2' W.
Puerto Rico and Virgin Islands
Seventh district
Back to Top § 80.738 Puerto Rico and Virgin Islands.
(a) Except inside lines specifically described in this section, the 72 COLREGS shall apply on all other bays, harbors and lagoons of Puerto Rico and the U.S. Virgin Islands.
(b) A line drawn from Puerto San Juan Light to Cabras Light across the entrance of San Juan Harbor.
Gulf Coast
Seventh district
Back to Top § 80.740 Long Key, FL to Cape Sable, FL.
A line drawn from the microwave tower charted on Long Key at approximate position latitude 24°48.8' N. longitude 80°49.6' W. to Long Key Light 1; thence to Arsenic Bank Light 2; thence to Sprigger Bank Light 5; thence to Schooner Bank Light 6; thence to Oxfoot Bank Light 10; thence to East Cape Light 2; thence through East Cape Daybeacon 1A to the shoreline at East Cape.
Back to Top § 80.745 Cape Sable, FL to Cape Romano, FL.
(a) A line drawn following the general trend of the mainland, highwater shoreline from Cape Sable at East Cape to Little Shark River Light 1; thence to westernmost extremity of Shark Point; thence following the general trend of the mainland, highwater shoreline crossing the entrances of Harney River, Broad Creek, Broad River, Rodgers River First Bay, Chatham River, Huston River, to the shoreline at coordinate latitude 25°41.8' N. longitude 81°17.9' W.
(b) The 72 COLREGS shall apply to the waters surrounding the Ten Thousand Islands and the bays, creeks, inlets, and rivers between Chatham Bend and Marco Island except inside lines specifically described in this part.
(c) A north-south line drawn at longitude 81°20.2' W. across the entrance to Lopez River.
(d) A line drawn across the entrance to Turner River parallel to the general trend of the shoreline.
(e) A line formed by the centerline of Highway 92 Bridge at Goodland.
Back to Top § 80.748 Cape Romano, FL to Sanibel Island, FL.
(a) A line drawn across Big Marco Pass parallel to the general trend of the seaward, highwater shoreline.
(b) A line drawn from the northwesternmost extremity of Coconut Island 000°T across Capri Pass.
(c) Lines drawn across Hurricane and Little Marco Passes parallel to the general trend of the seaward, highwater shoreline.
(d) A line from the seaward extremity of Gordon Pass South Jetty 014° true to the shoreline at approximate coordinate latitude 26°05.7' N. longitude 81°48.1' W.
(e) A line drawn across the seaward extremity of Doctors Pass Jetties.
(f) Lines drawn across Wiggins, Big Hickory, New, and Big Carlos Passes parallel to the general trend of the seaward highwater shoreland.
(g) A straight line drawn from Sanibel Island Light through Matanzas Pass Channel Light 2 to the shore of Estero Island.
Back to Top § 80.750 Sanibel Island, FL to St. Petersburg, FL.
(a) A line formed by the centerline of the highway bridge over Blind Pass, between Captiva Island and Sanibel Island, and lines drawn across Redfish and Captiva Passes parallel to the general trend of the seaward, highwater shorelines.
(b) A line drawn from La Costa Test Pile North Light to Port Boca Grande Light.
(c) Lines drawn across Gasparilla and Stump Passes parallel to the general trend of the seaward, highwater shorelines.
(d) A line across the seaward extremity of Venice Inlet Jetties.
(e) A line drawn across Midnight Pass parallel to the general trend of the seaward, highwater shoreline.
(f) A line drawn from Big Sarasota Pass Light 14 to the southernmost extremity of Lido Key.
(g) A line drawn across New Pass tangent to the seaward, highwater shoreline of Longboat Key.
(h) A line drawn across Longboat Pass parallel to the seaward, highwater shoreline.
(i) A line drawn from the northwesternmost extremity of Bean Point to the southeasternmost extremity of Egmont Key.
(j) A straight line drawn from Egmont Key Light through Egmont Channel Range Rear Light to the shoreline on Mullet Key.
(k) A line drawn from the northernmost extremity of Mullet Key across Bunces Pass and South Channel to Pass-a-Grille Channel Light 8; thence to Pass-a-Grille Channel Daybeacon 9; thence to the southwesternmost extremity of Long Key.
Back to Top § 80.753 St. Petersburg, FL to the Anclote, FL.
(a) A line drawn across Blind Pass, between Treasure Island and Long Key, parallel with the general trend of the seaward, highwater shorline.
(b) Lines formed by the centerline of the highway bridges over Johns and Clearwater Passes.
(c) A line drawn across Dunedin and Hurricane Passes parallel with the general trend of the seaward, highwater shoreline.
(d) A line drawn from the northernmost extremity of Honeymoon Island to Anclote Anchorage South Entrance Light 7; thence to Anclote Key 28°10.0' N. 82°50.6' W; thence a straight line through Anclote River Cut B Range Rear Light to the shoreline.
Back to Top § 80.755 Anclote, FL to the Suncoast Keys, FL.
(a) Except inside lines specifically described in this section, the 72 COLREGS shall apply on the bays, bayous, creeks, marinas, and rivers from Anclote to the Suncoast Keys.
(b) A north-south line drawn at longitude 82°38.3' W. across the Chassahowitzka River Entrance.
Back to Top § 80.757 Suncoast Keys, FL to Horseshoe Point, FL.
(a) Except inside lines specifically decribed in this section, the 72 COLREGS shall apply on the bays, bayous, creeks, and marinas from the Suncoast Keys to Horseshoe Point.
(b) A line formed by the centerline of Highway 44 Bridge over the Salt River.
(c) A north-south line drawn through Crystal River Entrance Daybeacon 25 across the river entrance.
(d) A north-south line drawn through the Cross Florida Barge Canal Daybeacon 48 across the canal.
(e) A north-south line drawn through Withlacoochee River Daybeacon 40 across the river.
(f) A line drawn from the westernmost extremity of South Point north to the shoreline across the Waccasassa River Entrance.
(g) A line drawn from position latitude 29°16.6' N. longitude 83°06.7' W. 300° true to the shoreline of Hog Island.
(h) A north-south line drawn through Suwannee River Wadley Pass Channel Daybeacons 30 and 31 across the Suwannee River.
Back to Top § 80.760 Horeshoe Point, FL to Rock Island, FL.
(a) Except inside lines specifically described provided in this section, the 72 COLREGS shall apply on the bays, bayous, creeks, marinas, and rivers from Horseshoe Point to the Rock Islands.
(b) A north-south line drawn through Steinhatchee River Light 21.
(c) A line drawn from Fenholloway River Approach Light FR east across the entrance to Fenholloway River.
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