Monroe County Beach Water Quality

4 monitored beaches on the Atlantic Coast

4 Good 0% avg risk

Monroe County Beaches — Ranked by Water Quality

Anne's Beach

Monroe County · Atlantic Coast

GOOD
Last tested: Mar 15, 2026 16 CFU/100mL

Bahia Honda State Park

Monroe County · Atlantic Coast

GOOD
Last tested: Mar 15, 2026 11 CFU/100mL

Key West Beach

Monroe County · Atlantic Coast

GOOD
Last tested: Mar 15, 2026 11 CFU/100mL

Sombrero Beach

Monroe County · Atlantic Coast

GOOD
Last tested: Mar 15, 2026 15 CFU/100mL

Find Beaches Near

Key West Marco Island Miami Naples

About Monroe County Beach Water Quality

Monroe County has 4 beaches monitored through the Florida DOH Healthy Beaches Program on the Atlantic Coast. Based on the past 12 months of enterococcus bacteria testing, the county's average risk rating is 0% — meaning 0% of historical tests returned poor results (above 70.5 CFU/100mL).

Water quality can vary significantly between beaches depending on proximity to storm drains, inlets, and urban runoff sources. Always check individual beach conditions before swimming, especially after rainfall.

Beach Safety Guides

Is It Safe to Swim After Rain?

Understanding Advisories

Cleanest Beaches in Florida

How Bacteria Testing Works

Other Florida Counties

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