Pinellas County · Tampa Bay Area · Gulf Coast

Sand Key Beach recent bacteria spikes

This page is for people who want to know whether Sand Key Beach has shown recent warning signs, not just what the most recent badge says.

GOOD Latest sample: May 11, 2026 4 CFU/100mL 0% poor-sample history
Main Beach Page History Alternatives After Rain Recent Spikes

Current picture

GOOD on the latest sample at 4 CFU/100mL.

Long-term context

0 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

January 29, 2026

This helps you see whether the trouble signs are old or relatively recent.

Poor samples

0

poor samples in the displayed history at this beach.

Water Quality History — Last 12 Months

35.4
70.5
13
Oct
17
Oct
17
Oct
15
Nov
18
Nov
13
Dec
13
Dec
15
Jan
59
Jan
13
Feb
13
Feb
18
Mar

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 Sand Key Beach against places with fewer warning signs.

Caladesi Island State Park

Pinellas County · Gulf Coast · 6 mi away

GOOD
Tested May 11, 2026 4 CFU/100mL

No non-good samples in the displayed history

Honeymoon Island State Park

Pinellas County · Gulf Coast · 8 mi away

GOOD
Tested May 11, 2026 4 CFU/100mL

Latest non-good sample Mar 15

St. Pete Beach

Pinellas County · Gulf Coast · 17 mi away

GOOD
Tested May 11, 2026 4 CFU/100mL

No non-good samples in the displayed history

Madeira Beach

Pinellas County · Gulf Coast · 11 mi away

GOOD
Tested May 11, 2026 8 CFU/100mL

No non-good samples in the displayed history

Treasure Island Beach

Pinellas County · Gulf Coast · 13 mi away

GOOD
Tested May 11, 2026 8 CFU/100mL

No non-good samples in the displayed history

Indian Rocks Beach

Pinellas County · Gulf Coast · 5 mi away

GOOD
Tested May 11, 2026 4 CFU/100mL

Latest non-good sample Oct 31

Recent Warning-Sign Samples

Full history →

January 29, 2026

59 CFU/100mL · MODERATE

MODERATE

Keep Exploring Nearby

Pinellas County Tampa Bay Area Beaches near Tampa Beaches near St. Petersburg Beaches near Clearwater

How To Use This Page

This page is for people who want to know whether Sand Key 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 Sand Key Beach beach page.

Data from FL DOH Healthy Beaches Program. This is an independent project — check with Florida DOH for official conditions.