Lee County·Southwest Florida·Gulf Coast
Sanibel Island Beach recent bacteria spikes
This page is for people who want to know whether the displayed station history used for Sanibel Island Beach has shown recent warning signs, not just what the most recent badge says.
Current picture
GOOD on the latest sample at 10 CFU/100mL.
Recent-sample context
1 poor samples and 1 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
1
moderate or poor samples in the displayed history.
Latest non-good sample
September 21, 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: Sanibel Island 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 Sanibel Island Beach against places with fewer warning signs.
Fort Myers Beach
Lee County · Gulf Coast · 5 mi away
Nearby-station context from BOWDITCH PARK, about 1.4 mi away; not an exact-beach sample.
Nearby-station data · No non-good samples in the displayed history
Captiva Island Beach
Lee County · Gulf Coast · 12 mi away
Nearby-station context from SOUTH SEAS PLANTATION, about 0.3 mi away; not an exact-beach sample.
Nearby-station data · Latest non-good sample Sep 8
Bonita Beach
Lee County · Gulf Coast · 13 mi away
No non-good samples in the displayed history
Delnor-Wiggins Pass State Park
Collier County · Gulf Coast · 16 mi away
Latest non-good sample Aug 17
Vanderbilt Beach
Collier County · Gulf Coast · 19 mi away
Latest non-good sample Sep 8
Naples Beach
Collier County · Gulf Coast · 25 mi away
Latest non-good sample Aug 4
Recent Warning-Sign Samples
Full history →September 21, 2026
429 CFU/100mL · POOR
How To Use This Page
This page is for people who want to know whether the displayed station history used for Sanibel Island 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 Sanibel Island 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.