What is the sales tax in Key Biscayne city? - The sales tax in Key Biscayne city of Florida is 7% as of 2025. Use the Key Biscayne sales tax calculator to calculate the sales tax for any purchase in Key Biscayne.
Key Biscayne Sales Tax Calculator |
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Below is a list of the state sales tax, city sales tax, and county tax rate for Key Biscayne.
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| Miami-Dade | Florida | Key Biscayne | 33149 | 6% | 0% | 1% | 7% |