# 2025-17412: Coast Guard Cracks Down on San Diego Bayfair Boat Party Zone

2025-17412, Special Local Regulation; Marine Events Within the Eleventh Coast Guard District-San Diego Bayfair, is a Federal Register rule from Homeland Security Department, Coast Guard published 2025-09-10, effective 2025-09-12 (as of 2026-06-11).

- Canonical: https://policyrisk.com/federal-register/2025-17412
- As of: 2026-06-11
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2025-17412
- Title: Special Local Regulation; Marine Events Within the Eleventh Coast Guard District-San Diego Bayfair
- Type: Rule
- Agencies: Homeland Security Department; Coast Guard
- Citation: 90 FR 43559
- Published: 2025-09-10
- Effective: 2025-09-12
- Comments close: not stated
- Significant: no
- Touches household money: no
- Regulation identifier numbers: none
- Last updated: 2026-06-11

## In one line

Coast Guard Cracks Down on San Diego Bayfair Boat Party Zone

## Summary

From September 12-14, 2025, the Coast Guard will set special rules on Mission Bay during the San Diego Bayfair to keep everyone safe. Boats can’t block, anchor, or hang out in certain areas unless they get special permission. This means boaters and visitors should plan ahead to avoid any surprises or fines.

## Abstract

The Coast Guard will enforce the San Diego Bayfair special local regulation on the waters of Mission Bay, California, from September 12, 2025, through September 14, 2025. This special local regulation is necessary to provide for the safety of the participants, crew, spectators, sponsor vessels, and general users of the waterway. During the enforcement period, persons and vessels are prohibited from anchoring, blocking, loitering, or impeding within this regulated area unless authorized by the Captain of the Port, or his designated representative.

## Effects PRIA read

- Temporary Mission Bay boating ban: cost, low. You cannot anchor, block, loiter, or otherwise impede in designated areas of Mission Bay, California, from September 12, 2025, through September 14, 2025, unless authorized by the Captain of the Port or their designated representative. The Coast Guard will enforce this special local regulation duri…

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## Sources
- [2025-17412 on federalregister.gov](https://www.federalregister.gov/documents/2025/09/10/2025-17412/special-local-regulation-marine-events-within-the-eleventh-coast-guard-district-san-diego-bayfair)
- [2025-17412 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2025-09-10/pdf/2025-17412.pdf)

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Source: PRIA, https://policyrisk.com/federal-register/2025-17412 (as of 2026-06-11).