Indian River County · Treasure Coast · Atlantic Coast
Sebastian Inlet Beach Water Quality
Water quality is GOOD — Safe for swimming
The most recent test at Sebastian Inlet Beach showed enterococcus bacteria levels of 10 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
Sebastian Inlet 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 Indian River County area, use extra caution.
About Sebastian Inlet Beach
One of the best surfing spots on Florida's East Coast, Sebastian Inlet State Park offers consistent waves, fishing, and natural beauty.
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.