---
kind: "unit"
title: "33"
title_heading: "Navigation and Navigable Waters"
key: "chI/subchC/part64"
level: "part"
label: "Part 64"
heading: "Marking of Structures, Sunken Vessels and Other Obstructions"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/33/chI-subchC-part64"
sections_count: 10
---

# Part 64 — Marking of Structures, Sunken Vessels and Other Obstructions

Title 33 C.F.R. — Navigation and Navigable Waters › Chapter I — Coast Guard, Department of Homeland Security › Subchapter C — Aids to Navigation

## Contents

- [Subpart A — General](/cfr/33/chI-subchC-part64-subpartA.md)
- [Subpart B — Sunken Vessels and Other Obstructions](/cfr/33/chI-subchC-part64-subpartB.md)
- [Subpart C — Structures](/cfr/33/chI-subchC-part64-subpartC.md)
- [Subpart D — Miscellaneous Provisions](/cfr/33/chI-subchC-part64-subpartD.md)