Spills

Mystery oil Slick1; key largo, florida

NOAAORR-6480

issued: 1987-06-16 00:00Z
status: cancelled 1987-06-30 00:00Z
self-cancels: 1987-06-30 00:00Z
authority: NOAA OR&R
sea: North Atlantic Ocean
position: 25.063, -80.405
source: incidentnews · first seen 2026-09-03 15:09Z

Original warning text

Mystery Oil Slick1; Key Largo, Florida.
Key Largo, Florida.
1. On June 16, 1987, the U.S. Coast Guard Marine Safety Office (MSO) in Miami was notified of an oil slick near Molasses Reef in Key Largo. The slick was reported to measure 7.1 nautical miles long by 100 yards wide. USCG district 7.
2. COMMODITY: OIL.
3. POSITION 25.063N 080.405W. NOAA INCIDENTNEWS 6480: https://incidentnews.noaa.gov/incident/6480

This area · spills & pollution incidents

139 within 180 nm since 1985 · 1 in the last 12 months · 0 in force now

Potential mystery oil source; 100 miles off key west, florida2026-06-25
3601 nw s river dr, miami, fl 33142, USA2025-03-07
South florida tarball reports, feb 23, 2025; jupiter, florida2025-02-23
Manalapan, fl, USA2025-02-08
Satellite report indicates potential oil slick, fort lauderdale, fl2023-06-20
On january 5th, 2023, the florida keys national marine sanctuary contacted the noaa emergency response…2023-01-05

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Spills

Oil and chemical spills, groundings and vessel casualties with a pollution threat: NOAA IncidentNews responses since 1957, and spill-response areas broadcast as navigational warnings. All current spills & pollution incidents →

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