Pinellas County · Tampa Bay Area · Gulf Coast
Sand Key Beach Water Quality
Water quality is GOOD — Safe for swimming
The most recent test at Sand Key Beach showed enterococcus bacteria levels of 18 CFU/100mL, which is well within the safe range (35.4 or below CFU/100mL). Conditions are considered safe for swimming and water activities.
Historical Risk Rating
Sand Key Beach has an excellent track record. Only 0% of tests in the last 12 months returned poor results.
Water Quality History — Last 12 Months
Values in CFU/100mL. Green = Good (≤35.4), Yellow = Moderate (35.5–70.4), Red = Poor (≥70.5)
Swimming After Rain
Rainfall can wash bacteria, fertilizers, and other pollutants into the ocean through stormwater runoff. The Florida DOH recommends waiting at least 72 hours after heavy rain before swimming, especially near inlets, canals, and river mouths. If it has rained recently in the Pinellas County area, use extra caution.
About Sand Key Beach
A beautiful barrier island beach just south of Clearwater Beach, Sand Key Park offers wide sandy shores with fewer crowds.
Nearby Beaches
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Disclaimer: Water quality data is sourced from the Florida Department of Health Healthy Beaches Program. Conditions can change rapidly. This website provides informational estimates only — always check with Florida DOH for official, real-time beach conditions. Safe to Swim Florida is an independent project and is not affiliated with any government agency.