§ 80.01General basis and purpose of demarcation lines.
(a) The regulations in this part establish the lines of demarcation delineating those waters upon which mariners shall comply with the International Regulations for Preventing Collisions at Sea, 1972 (72 COLREGS) and those water upon which mariners shall comply with the Inland Navigation Rules.
(b) The waters inside of the lines are Inland Rules waters. The waters outside the lines are COLREGS waters.
(c) Geographic coordinates expressed in terms of latitude or longitude, or both, are not intended for plotting on maps or charts whose referenced horizontal datum is the North American Datum of 1983 (NAD 83), unless such geographic coordinates are expressly labeled NAD 83. Geographic coordinates without the NAD 83 reference may be plotted on maps or charts referenced to NAD 83 only after application of the appropriate corrections that are published on the particular map or chart being used.
§ 80.105Calais, ME to Cape Small, ME.
The 72 COLREGS shall apply on the harbors, bays, and inlets on the east coast of Maine from International Bridge at Calais, ME to the southwesternmost extremity of Bald Head at Cape Small.
§ 80.110Casco 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.
§ 80.115Portland Head, ME to Cape Ann, MA.
(a) Except inside lines specifically described in this section, the 72 COLREGS shall apply on the harbors, bays, and inlets on the east coast of Maine, New Hampshire, and Massachusetts from Portland Head to Halibut Point at Cape Ann.
(b) A line drawn from the southernmost tower on Gerrish Island charted in approximate position latitude 43°04.0′ N., longitude 70°41.2′ W. to Whaleback Light; thence to Jaffrey Point Light 2A; thence to the northeasternmost extremity of Frost Point.
(c) A line drawn from the northernmost extremity of Farm Point to Annisquam Harbor Light.
§ 80.120Cape Ann, MA to Marblehead Neck, MA.
(a) Except inside lines specifically described in this section, the 72 COLREGS shall apply on the harbors, bays and inlets on the east coast of Massachusetts from Halibut Point at Cape Ann to Marblehead Neck.
(b) A line drawn from Gloucester Breakwater Light to the twin towers charted in approximate position latitude 42°35.1′ N., longitude 70°41.6′ W.
(c) A line drawn from the westernmost extremity of Gales Point to the easternmost extremity of House Island; thence to Bakers Island Light; thence to Marblehead Light.
§ 80.125Marblehead Neck, MA to Nahant, MA.
The 72 COLREGS apply on the harbors, bays, and inlets on the east coast of Massachusetts from Marblehead Neck to the easternmost tower at Nahant, charted in approximate position latitude 42°25.4′ N., longitude 70°54.6′ W.
§ 80.130Boston Harbor entrance.
A line drawn from the easternmost tower at Nahant, charted in approximate position latitude 42°25.4′ N., longitude 70°54.6′ W., to Boston Lighted Horn Buoy “B”; thence to the esternmost radio tower at Hull, charted in approximate position latitude 42°16.7′ N., longitude 70°52.6′ W.
§ 80.135Hull, MA to Race Point, MA.
(a) Except inside lines described in this section, the 72 COLREGS apply on the harbors, bays, and inlets on the east coast of Massachusetts from the easternmost radio tower at Hull, charted in approximate position latitude 42°16.7′ N., longitude 70°52.6′ W., to Race Point on Cape Cod.
(b) A line drawn from Canal Breakwater Light 6 south to the shoreline.
§ 80.145Race Point, MA, to Watch Hill, RI.
(a) Except inside lines specifically described in this section, the 72 COLREGS shall apply on the sounds, bays, harbors, and inlets along the coast of Cape Cod and the southern coasts of Massachusetts and Rhode Island from Race Point to Watch Hill.
(b) A line drawn from Nobska Point Light to Tarpaulin Cove Light on the southeastern side of Naushon Island; thence from the southernmost tangent of Naushon Island to the easternmost extremity of Nashawena Island; thence from the southwestern most extremity of Nashawena Island to the easternmost extremity of Cuttyhunk Island; thence from the southwestern tangent of Cuttyhunk Island to the tower on Gooseberry Neck charted in approximate position latitude 41°29.1′ N., longitude 71°02.3′ W.
(c) A line drawn from Sakonnet Breakwater Light 2 tangent to the southernmost part of Sachuest Point charted in approximate position latitude 41°28.5′ N., longitude 71°14.8′ W.
(d) An east-west line drawn through Beavertail Light between Brenton Point and the Boston Neck shoreline.
§ 80.150Block Island, RI.
The 72 COLREGS shall apply on the harbors of Block Island.
§ 80.155Watch Hill, RI to Montauk Point, NY.
(a) A line drawn from 41°18′13.999″ N., 071°51′30.300″ W. (Watch Hill Light) to East Point on Fishers Island.
(b) A line drawn from Race Point to 41°14′36.509″ N., 072°02′49.676″ W. (Race Rock Light); thence to 41°12′22.900″ N., 072°06′24.700″ W. (Little Gull Island Light) thence to East Point on Plum Island.
(c) A line drawn from 41°10′16.704″ N., 072°12′21.684″ W. (Plum Island Harbor East Dolphin Light) to 41°10′17.262″ N., 072°12′23.796″ W. (Plum Island Harbor West Dolphin Light).
(d) A line drawn from 41°10′25.745″ N., 072°12′42.137′ W. (Plum Gut Light) to 41°09′48.393″ N., 072°13′25.014″ W. (Orient Point Light); thence to Orient Point.
(e) A line drawn from 41°06′35.100″ N., 072°18′21.400″ W. (Long Beach Bar Light) to Cornelius Point.
(f) A line drawn from 41°04′12.000″ N., 072°16′48.000″ W. (Coecles Harbor Entrance Light) to Sungic Point.
(g) A line drawn from Nicholl Point to 41°02′25.166″ N., 072°15′42.971″ W. (Cedar Island Light 3CI).
(h) A line drawn from 41°02′06.060″ N., 072°11′19.560″ W. (Threemile Harbor West Breakwater Light) to 41°02′05.580″ N., 072°11′15.777″ W. (Threemile Harbor East Breakwater Light).
(i) A line drawn from 41°04′44.210″ N., 071°56′20.308″ W. (Montauk West Jetty Light 2) to 41°04′46.095″ N., 071°56′14.168″ W. (Montauk East Jetty Light 1).
§ 80.160Montauk Point, NY to Atlantic Beach, NY.
(a) A line drawn from the 40°50′17.952″ N., 072°28′29.010″ W. (Shinnecock Inlet Breakwater Light 2) to 40°50′23.490″ N., 072°28′40.122″ W. (Shinnecock Inlet Breakwater Light 1).
(b) A line drawn from 40°45′47.763″ N., 072°45′11.095″ W. (Moriches Inlet Breakwater Light 2) to 40°45′49.692″ N., 072°45′21.719″ W. (Moriches Inlet Breakwater Light 1).
(c) A line drawn from the westernmost point on Fire Island to the southernmost extremity of the spit of land at the western end of Oak Beach.
(d) A line drawn from 40°34′23.568″ N., 073°34′32.364″ W. (Jones Inlet Light) 322° true across Jones Inlet to the shoreline.
§ 80.165New York Harbor.
A line drawn from 40°34′56.600″ N., 073°45′17.200″ W. (East Rockaway Inlet Breakwater Light) to 40°27′42.177″ N., 074°00′07.309″ W. (Sandy Hook Light).
§ 80.501Sandy Hook, NJ to Tom's River, NJ.
(a) A line drawn across the seaward extremity of Shark River Inlet.
(b) A line drawn across the seaward extremity of Manasquan Inlet.
(c) A line drawn across the seaward extremity of Barnegat Inlet.
§ 80.502Tom's River, NJ to Cape May, NJ.
(a) A line drawn from the seaward tangent of Long Beach Island to the seaward tangent to Pullen Island across Beach Haven and Little Egg Inlet, thence across Brigantine Inlet to Brigantine Island.
(b) A line drawn from the seaward extremity of Absecon Inlet.
(c) A line drawn parallel with the general trend of highwater shoreline from the southernmost point of Longport at latitude 39°17.6′ N., longitude 74°33.1′ W. across Great Egg Harbor Inlet.
(d) A line drawn parallel with the general trend of highwater shoreline across Corson Inlet.
(e) A line formed by the centerline of the Townsend Inlet Highway Bridge.
(f) A line formed by the shoreline of Seven Mile Beach to 39°00′23.757″ N., 074°47′28.017″ W. (Hereford Inlet Light).
(g) A line drawn across the seaward extremity of Cape May Inlet.
§ 80.503Delaware Bay.
A line drawn from Cape May Light to Harbor of Refuge Light; thence to the northernmost extremity of Cape Henlopen.
§ 80.505Cape Henlopen, DE to Cape Charles, VA.
(a) A line drawn from the seaward extremity of Indian River Inlet North Jetty to Indian River Inlet South Jetty Light.
(b) A line drawn from Ocean City Inlet Light 6, 225° true across Ocean City Inlet to the submerged south breakwater.
(c) A line drawn from Assateague Beach Tower Light to the tower charted at latitude 37°52.6′ N., longitude 75°26.7′ W.
(d) A line formed by the range of Wachapreague Inlet Light 3 and Parramore Beach Lookout Tower drawn across Wachapreague Inlet.
(e) A line drawn from the lookout tower charted on the northern end of Hog Island to the seaward tangent of Parramore Beach.
(f) A line drawn 207° true from the lookout tower charted on the southern end of Hog Island across Great Machipongo Inlet.
(g) A line formed by the range of the two cupolas charted on the southern end of Cobb Island drawn across Sand Shoal Inlet.
(h) Except as provided elsewhere in this section from Cape Henlopen to Cape Charles, lines drawn parallel with the general trend of the highwater shoreline across the entrances to small bays and inlets.
§ 80.510Chesapeake Bay Entrance, VA.
A line drawn from Cape Charles Light to Cape Henry Light.
§ 80.515Cape Henry, VA to Cape Hatteras, NC.
(a) A line drawn from Rudee Inlet Jetty Light 2 to Rudee Inlet Jetty Light 1.
(b) A line formed by the centerline of the highway bridge across Oregon Inlet.
§ 80.520Cape Hatteras, NC to Cape Lookout, NC.
(a) A line drawn from Hatteras Inlet Lookout Tower at latitude 35°11.85′ N., longitude 75°43.9′ W. 255° true to the eastern end of Ocracoke Island.
(b) A line drawn from the westernmost extremity of Ocracoke Island at latitude 35°04.0′ N., longitude 76°00.8′ W. to the northeasternmost extremity of Portsmouth Island at latitude 35°03.7′ N., longitude 76°02.3′ W.
(c) A line drawn across Drum Inlet parallel with the general trend of the highwater shoreline.
§ 80.525Cape Lookout, NC to Cape Fear, NC.
(a) A line drawn from Cape lookout Light to the seaward tangent of the southeastern end of Shackleford Banks.
(b) A line drawn from Morehead City Channel Range Front Light to the seaward extremity of the Beaufort Inlet west jetty.
(c) A line drawn from the southernmost extremity of Bogue Banks at latitude 34°38.7′ N., longitude 77°06.0′ W., across Bogue Inlet to the northernmost extremity of Bear Beach at latitude 34°38.5′ N., longitude 77°07.1′ W.
(d) A line drawn from the easternmost extremity on the southern side of New River Inlet at latitude 34°31.5′ N., longitude 77°20.6′ W., to the seaward tangent of the shoreline on the northeast side on New River Inlet.
(e) A line drawn across New Topsail Inlet between the closest extremities of the shore on either side of the inlet parallel with the general trend of the highwater shoreline.
(f) A line drawn from the seaward extremity of the jetty on the northeast side of Masonboro Inlet to the seaward extremity of the jetty on the southeast side of the Inlet.
(g) Except as provided elsewhere in this section from Cape Lookout to Cape Fear, lines drawn parallel with the general trend of the highwater shoreline across the entrance of small bays and inlets.
§ 80.530Cape Fear, NC to Little River Inlet, NC.
(a) A line drawn from the abandoned lighthouse charted in approximate position latitude 33°52.4′ N., longitude 78°00.1′ W., across the Cape Fear River Entrance to Oak Island Light.
(b) Except as provided elsewhere in this section from Cape Fear to Little River Inlet, lines drawn parallel with the general trend of the highwater shoreline across the entrance to small inlets.
§ 80.703Little 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 drawn from the northernmost extremity of Cape Island Point to Murphy Island.
§ 80.707Cape Romain, SC to Sullivans Island, SC.
(a) A line drawn from the westernmost point on Cape Romain to the southeasternmost point on Raccoon Key.
(b) A line drawn from the westernmost extremity of Raccoon Key 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.
§ 80.710Charleston 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.
§ 80.712Morris Island, SC to Hilton Head Island, SC.
(a) A line drawn from the easternmost tip of Folly Island to 32°41′37″ N., 079°53′03″ W. (abandoned lighthouse tower) on the northside of Lighthouse Inlet; thence west to the shoreline of Morris Island.
(b) A line drawn from the seaward tangent of Folly Island 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°28.3′ 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.
§ 80.715Savannah 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 Light.
§ 80.717Tybee 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 Wassaw Island to the seaward tangent of Bradley Point on Ossabaw Island.
(d) A north-south line (longitude 81°08.4′ 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.
§ 80.720St. 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.
§ 80.723Amelia 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.
§ 80.727Cape 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.
§ 80.730Miami Harbor, FL.
A line drawn across the seaward extremity of the Miami Harbor Government Cut Jetties.
§ 80.735Miami, 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.
§ 80.738Puerto 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 position18°28.5′ N., 066°08.4′ W, at the northwest extent of Isla de Cabras across the entrance of San Juan Harbor.
§ 80.740Long 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.
§ 80.745Cape 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.
§ 80.748Cape 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 shoreline.
(g) A straight line drawn from Sanibel Island Light through Matanzas Pass Channel Light 2 to the shore of Estero Island.
§ 80.750Sanibel 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 across the Charlotte Harbor entrance from position latitude 26°42.18′ N, longitude 070°41.2′ W 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 position latitude 27°17.89′ N, longitude 082°33.55′ W to the southernmost extremity of Lido Key (position latitude 27°17.93′ N, longitude 082°33.99′ W).
(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.
§ 80.753St. Petersburg, FL to the Anclote, FL.
(a) A line drawn across Blind Pass, from the seaward extremity of the Long Key jetty to the seaward extremity of the Treasure Island jetty.
(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 3; thence to Anclote Key position latitude 28°10.0′ N longitude 082°50.6′ W; thence a straight line to position latitude 28°11.11′ N, longitude 082°47.91′ W.
§ 80.755Anclote, 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.
§ 80.757Suncoast 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 Mcgriff Pass Daybeacons 30 and 31 across the Suwannee River.
§ 80.760Horseshoe 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.
§ 80.805Rock 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.
§ 80.810Cape San Blas, FL to Perdido Bay, FL.
(a) A line drawn from St. Joseph Bay Entrance Range A Rear Light through St. Joseph Bay Entrance Range B Front Light to St. Joseph Point.
(b) A line drawn across the mouth of Salt Creek as an extension of the general trend of the shoreline to continue across the inlet to St. Andrews sound in the middle of Crooked Island.
(c) A line drawn between the seaward end of the St. Andrews Bay Entrance Jetties.
(d) A line drawn between the seaward end of the Choctawatchee Bay Entrance Jetties.
(e) An east-west line drawn from Fort McRee Leading Light across the Pensacola Bay Entrance along latitude 30°19.5′ N.
(f) A line drawn between the seaward end of the Perdido Pass Jetties.
§ 80.815Mobile Bay, AL to the Chandeleur Islands, LA.
(a) A line drawn across the inlets to Little Lagoon as an extension of the general trend of the shoreline.
(b) A line drawn from 30°14′41.4″ N., 088°01′26.5″ W. (Mobile Point Light) to 30°15′13.3″ N., 088°03′22.6″ W. (Dauphin Island Channel Light 1) to the eastern corner of Fort Gaines at Pelican Point.
(c) A line drawn from the western-most extremity of Dauphin Island to the easternmost extremity of Petit Bois Island.
(d) A line drawn from Horn Island Pass Entrance Range Front Light on Petit Bois Island to the easternmost extremity of Horn Island.
(e) An east-west line (latitude 30°14.7′ N.) drawn between the westernmost extremity of Horn Island to the easternmost extremity of Ship Island.
(f) A curved line drawn following the general trend of the seaward, highwater shoreline of Ship Island.
(g) A line drawn from the Ship Island Light to Chandeleur Light; thence in a curved line following the general trend of the seaward, highwater shorelines of the Chandeleur Islands to the island at latitude 29°44.1′ N., longitude 88°53.0′ W.; thence to latitude 29°26.5′ N., longitude 88°55.6′ W.
§ 80.825Mississippi Passes, LA.
(a) A line drawn from latitude 29°26.5′ N., longitude 88°55.6′ W. to latitude 29°10.6′ N., longitude 88°59.8′ W.; thence to latitude 29°03.5′ N., longitude 89°03.7′ W.; thence to latitude 28°58.8′ N., longitude 89°04.3′ W.
(b) A line drawn from latitude 28°58.8′ N., longitude 89°04.3′ W.; to latitude 28°57.3′ N., longitude 89°05.3′ W.; thence to latitude 28°56.95′ N., longitude 89°05.6′ W.; thence to latitude 29°00.4′ N., longitude 89°09.8′ W.; thence following the general trend of the seaward highwater shoreline in a northwesterly direction to latitude 29°03.4′ N., longitude 89°13.0′ W.; thence west to latitude 29°03.5′ N., longitude 89°15.5′ W.; thence following the general trend of the seaward highwater shoreline in a southwesterly direction to latitude 28°57.7′ N., longitude 89°22.3′ W.
(c) A line drawn from latitude 28°57.7′ N., longitude 89°22.3′ W.; to latitude 28°51.4′ N., longitude 89°24.5′ W.; thence to latitude 28°52.65′ N., longitude 89°27.1′ W.; thence to the seaward extremity of the Southwest Pass West Jetty located at latitude 28°54.5′ N., longitude 89°26.1′ W.
§ 80.830Mississippi Passes, LA to Point Au Fer, LA.
(a) A line drawn from the seaward extremity of the Southwest Pass West Jetty located at coordinate latitude 28°54.5′ N., longitude 89°26.1′ W.; thence following the general trend of the seaward, highwater jetty and shoreline in a north, northeasterly direction to Old Tower latitude 28°58.8′ N., longitude 89°23.3′ W.; thence to westernmost point near Pass du Bois; thence to coordinate latitude 29°05.2′ N., longitude 89°24.3′ W.; thence a curved line following the general trend of the highwater shoreline to Point Au Fer Island except as otherwise described in this section.
(b) A line drawn across the seaward extremity of the Empire Waterway (Bayou Fontanelle) entrance jetties.
(c) An east-west line drawn from the westernmost extremity of Grand Terre Islands in the direction of 194° true to the Grand Isle Fishing Jetty Light.
(d) A line drawn between the seaward extremity of the Belle Pass Jetties.
(e) A line drawn from the westernmost extremity of the Timbalier Island to the easternmost extremity of Isles Dernieres.
(f) A south-north line drawn from Caillou Bay Light 13 across Caillou Boca.
(g) A line drawn 107° true from Caillou Bay Boat Landing Light across the entrances to Grand Bayou du Large and Bayou Grand Caillou.
(h) A line drawn on an axis of 103° true through Taylors Bayou Entrance Light 2 across the entrances to Jack Stout Bayou, Taylors Bayou, Pelican Pass, and Bayou de West.
§ 80.835Point Au Fer, LA to Calcasieu Pass, LA.
(a) A line drawn from Point Au Fer to Atchafalaya Channel Light 34; thence to Atchafalaya Channel Light 33; thence to latitude 29°25.0′ N., longitude 91°31.7′ W.; thence to Atchafalaya Bay Light 1 latitude 29°25.3′ N., longitude 91°35.8′ W.; thence to South Point.
(b) Lines following the general trend of the highwater shoreline drawn across the bayou and canal inlets from the Gulf of America between South Point and Calcasieu Pass except as otherwise described in this section.
(c) A line drawn on an axis of 140° true through Southwest Pass Vermillion Bay Light 4 across Southwest Pass.
(d) A line drawn across the seaward extremity of the Freshwater Bayou Canal Entrance Jetties.
(e) A line drawn from Mermentau Channel East Jetty Light 6 to Mermentau Channel West Jetty Light 7.
(f) A line drawn from the radio tower charted in approximate position latitude 29°45.7′ N., longitude 93°06.3′ W., 115° true across Mermentau Pass.
(g) A line drawn across the seaward extremity of the Calcasieu Pass Jetties.
§ 80.840Sabine Pass, TX to Galveston, TX.
(a) A line drawn from the Sabine Pass East Jetty Light to the seaward end of the Sabine Pass West Jetty.
(b) Lines drawn across the small boat passes through the Sabine Pass East and West Jetties.
(c) A line formed by the centerline of the highway bridge over Rollover Pass at Gilchrist.
§ 80.845Galveston, TX to Freeport, TX.
(a) A line drawn from Galveston North Jetty Light 6A to Galveston South Jetty Light 5A.
(b) A line formed by the centerline of the highway bridge over San Luis Pass.
(c) Lines formed by the centerlines of the highway bridges over the inlets to Christmas Bay (Cedar Cut) and Drum Bay.
(d) A line drawn from the seaward extremity of the Freeport North Jetty to Freeport Entrance Light 6; thence Freeport Entrance Light 7; thence the seaward extremity of Freeport South Jetty.
106 sections
Cite this law
COLREGS DEMARCATION LINES (U.S.C.). Retrieved via LawPlayer, https://lawplayer.com/us/act/cfr-title-33-part-80
United States government works (U.S. Code, Code of Federal Regulations) are in the public domain under 17 U.S.C. § 105.
