Monroe County·Florida Keys·Atlantic Coast
Sombrero Beach recent bacteria spikes
This page is for people who want to know whether the displayed station history used for Sombrero Beach has shown recent warning signs, not just what the most recent badge says.
Current picture
MODERATE on the latest sample at 52 CFU/100mL.
Recent-sample context
1 poor samples and 3 non-good samples in the displayed history.
Rain still matters
Stormwater can make this page stale faster than the normal testing schedule, especially after heavy rain.
Non-good samples
3
moderate or poor samples in the displayed history.
Latest non-good sample
September 8, 2026
This helps you see whether the trouble signs are old or relatively recent.
Poor samples
1
poor samples in the displayed history at this beach.
Water Quality History — Latest Samples
Sample source: Sombrero Beach
Values in CFU/100mL. Green = Good (≤35.4), Yellow = Moderate (35.5–70.4), Red = Poor (≥70.5)
Nearby Beaches With Fewer Warning Signs
History view →These nearby beaches are sorted toward steadier after-rain options so you can compare Sombrero Beach against places with fewer warning signs.
Bahia Honda State Park
Monroe County · Atlantic Coast · 12 mi away
Latest non-good sample Aug 11
Marco Island Beach
Collier County · Gulf Coast · 95 mi away
No non-good samples in the displayed history
Matheson Hammock Beach
Miami-Dade County · Atlantic Coast · 85 mi away
Nearby-station context from KEY BISCAYNE BEACH, about 7.0 mi away; not an exact-beach sample.
Nearby-station data · No non-good samples in the displayed history
South Beach
Miami-Dade County · Atlantic Coast · 95 mi away
Latest non-good sample Aug 3
Virginia Key Beach
Miami-Dade County · Atlantic Coast · 92 mi away
Latest non-good sample Sep 10
Key West Beach
Monroe County · Atlantic Coast · 46 mi away
Nearby-station context from SOUTH BEACH, about 0.3 mi away; not an exact-beach sample.
Nearby-station data · Latest non-good sample Sep 8
Recent Warning-Sign Samples
Full history →September 8, 2026
52 CFU/100mL · MODERATE
June 2, 2026
41 CFU/100mL · MODERATE
April 7, 2026
110 CFU/100mL · POOR
Keep Exploring Nearby
How To Use This Page
This page is for people who want to know whether the displayed station history used for Sombrero Beach has shown recent warning signs, not just what the most recent badge says.
Use this view as a decision aid, not a guarantee. The latest sample, visible runoff, and recent weather still matter more than any single list or chart.
If you want the main same-day answer instead, go back to the Sombrero Beach beach page.
Data from FL DOH Healthy Beaches Program. This is an independent project, not official real-time clearance — check with Florida DOH for official conditions.