Collier County·Naples / Marco Island·Gulf Coast
Should you swim at Vanderbilt Beach after rain?
This page is built for the day when a beach looks tempting but recent rain makes the normal badge harder to trust.
Current picture
MODERATE on the latest sample at 41 CFU/100mL.
Recent-sample context
1 poor samples and 2 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.
Wait window
72 hours
Use that as the default buffer after heavy rain before trusting routine samples too much.
Latest poor sample
June 29, 2026
A recent poor sample is a stronger reason to be conservative after runoff.
Displayed-sample spike risk
8%
Lower is better when weather makes your same-day decision harder.
Lower-Risk Nearby Options After Rain
Rain guide →Barefoot Beach Preserve
Collier County · Gulf Coast · 2 mi away
No poor samples in the displayed history · risk 0%
Delnor-Wiggins Pass State Park
Collier County · Gulf Coast · 3 mi away
No poor samples in the displayed history · risk 0%
Bonita Beach
Lee County · Gulf Coast · 6 mi away
No poor samples in the displayed history · risk 0%
Naples Beach
Collier County · Gulf Coast · 8 mi away
No poor samples in the displayed history · risk 0%
Fort Myers Beach
Lee County · Gulf Coast · 16 mi away
Nearby-station context from LYNN HALL PARK, about 0.6 mi away; not an exact-beach sample.
Nearby-station data · No poor samples in the displayed history · risk 0%
Marco Island Beach
Collier County · Gulf Coast · 22 mi away
No poor samples in the displayed history · risk 0%
Water Quality History — Latest Samples
Sample source: Vanderbilt Beach
Values in CFU/100mL. Green = Good (≤35.4), Yellow = Moderate (35.5–70.4), Red = Poor (≥70.5)
Recent Warning-Sign Samples
Full history →September 8, 2026
41 CFU/100mL · MODERATE
June 29, 2026
175 CFU/100mL · POOR
Keep Exploring Nearby
How To Use This Page
This page is built for the day when a beach looks tempting but recent rain makes the normal badge harder to trust.
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 Vanderbilt 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.