33 CFR § 3.25-15 - Sector Maryland-National Capital Region Marine Inspection Zone and Captain of the Port Zone.

---
identifier: "/us/cfr/t33/s3.25-15"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 3.25-15 - Sector Maryland-National Capital Region Marine Inspection Zone and Captain of the Port Zone."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "3.25-15"
section_name: "Sector Maryland-National Capital Region Marine Inspection Zone and Captain of the Port Zone."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "3"
part_name: "COAST GUARD AREAS, DISTRICTS, SECTORS, MARINE INSPECTION ZONES, AND CAPTAIN OF THE PORT ZONES"
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. 501, 504; Pub. L. 107-296, 116 Stat. 2135; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.4."
cfr_part: "3"
---


# 3.25-15 Sector Maryland-National Capital Region Marine Inspection Zone and Captain of the Port Zone.

Sector Maryland-National Capital Region's office is located in Baltimore, MD. The boundaries of Sector Maryland-National Capital Region's Marine Inspection Zone and Captain of the Port Zone start at a point 38°01′36″ N latitude, 75°14′34″ W longitude; thence south east to a point 37°19′14″ N latitude, 72°13′13″ W longitude; thence north west to a point at 38°26′25″ N latitude, 74°26′46″ W longitude; thence west to the intersection of the Maryland-Delaware boundary and the coast at a point 38°27′03″ N latitude, 75°02′ 55″ W longitude; thence west to a point 38°27′15″ N latitude, 75°30′00″ W longitude on the Delaware-Maryland boundary; thence proceeding along the Delaware-Maryland boundary west to a point at 38°27′37″ N latitude, 75°41′35″ W longitude; thence proceeding north to the Maryland-Delaware-Pennsylvania boundary at a point 39°43′22″ N latitude, 75°47′17″ W longitude; thence west along the Pennsylvania-Maryland boundary to the Pennsylvania-Maryland-West Virginia boundary at a point 39°43′16″ N latitude, 79°28′36″ W longitude; thence south and east along the Maryland-West Virginia boundary to the intersection of the Maryland-Virginia-West Virginia boundaries at a point 39°19′17″ N latitude, 77°43′08″ W longitude; thence southwest along the Loudoun County, VA boundary to the intersection with Fauquier County, VA at a point 39°00′50″ N latitude, 77°57′43″ W longitude; thence east along the Loudoun County, VA boundary to the intersection with Prince William County, VA boundary at a point 38°56′33″ N latitude, 77°39′18″ W longitude; thence south along the Prince William and Fauquier County VA boundaries to the intersection of Fauquier, Prince William, and Stafford County, VA at a point 38°33′24″ N latitude, 77°31′54” W longitude; thence south east to a point 38°20′30” N latitude, 77°18′14” W longitude; thence south and east along the boundary between the southern bank of the Potomac River and Stafford, King George, Westmoreland, and Northumberland Counties in Virginia to a point 37°53′11″ N latitude, 76°14′15″ W longitude; thence east along the Maryland-Virginia boundary as it proceeds across the Chesapeake Bay and Delmarva Peninsula to the point of origin at 38°01′36″ N latitude, 75°14′34″ W longitude.

[USCG-2013-0251, 78 FR 73440, Dec. 6, 2013, as amended by USCG-2016-0060, 81 FR 38594, June 14, 2016]