Collier County · Naples / Marco Island · Gulf Coast

Naples Beach water quality history

This page is for swimmers who want the deeper historical story at Naples Beach: recent readings, spike frequency, and how often the beach has slipped into poor territory.

GOOD Latest sample: May 11, 2026 10 CFU/100mL 8% poor-sample history
Main Beach Page History Alternatives After Rain Recent Spikes

Current picture

GOOD on the latest sample at 10 CFU/100mL.

Long-term 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.

Poor samples shown

1

out of 12 displayed samples.

Latest poor sample

January 29, 2026

This is the last time the displayed history shows a poor result.

Historical risk

8%

share of poor samples in the displayed history.

Water Quality History — Last 12 Months

35.4
70.5
16
Oct
17
Oct
18
Oct
18
Nov
13
Nov
15
Dec
17
Dec
18
Jan
81
Jan
18
Feb
14
Feb
13
Mar

Values in CFU/100mL. Green = Good (≤35.4), Yellow = Moderate (35.5–70.4), Red = Poor (≥70.5)

Nearby Beaches With Lower Risk

Nearby alternatives →

Vanderbilt Beach

Collier County · Gulf Coast · 8 mi away

GOOD
Tested May 11, 2026 10 CFU/100mL

No poor samples in the displayed history · risk 0%

Bonita Beach

Lee County · Gulf Coast · 14 mi away

GOOD
Tested May 11, 2026 10 CFU/100mL

No poor samples in the displayed history · risk 0%

Fort Myers Beach

Lee County · Gulf Coast · 23 mi away

GOOD
Tested Apr 6, 2026 10 CFU/100mL

No poor samples in the displayed history · risk 0%

Sanibel Island Beach

Lee County · Gulf Coast · 25 mi away

GOOD
Tested May 11, 2026 10 CFU/100mL

No poor samples in the displayed history · risk 0%

Barefoot Beach Preserve

Collier County · Gulf Coast · 10 mi away

GOOD
Tested May 11, 2026 20 CFU/100mL

No poor samples in the displayed history · risk 0%

Delnor-Wiggins Pass State Park

Collier County · Gulf Coast · 10 mi away

GOOD
Tested May 11, 2026 20 CFU/100mL

Last poor sample Oct 1 · risk 8%

Recent Warning-Sign Samples

Full history →

January 29, 2026

81 CFU/100mL · POOR

POOR

Keep Exploring Nearby

Collier County Naples / Marco Island Beaches near Naples Beaches near Marco Island

How To Use This Page

This page is for swimmers who want the deeper historical story at Naples Beach: recent readings, spike frequency, and how often the beach has slipped into poor territory.

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 Naples Beach beach page.

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