Marathon, Florida sales tax rate: 7.5%
Last updated Checked monthly
The sales tax rate in Marathon, Florida is 7.5%. That’s the 6% state rate plus 1.5% in local taxes. It’s higher than 131 of the 171 Florida cities we checked, and 37 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Marathon combined rate
7.5%
- Florida state
- 6%
- Monroe CountyCounty
- 1.5%
Marathon sales tax calculator
Enter a price and what you’re selling.
- FloridaState · 6%$6.00
- Monroe CountyCounty · 1.5%$1.50
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoMarathon sales tax rate breakdown
State and county taxes add up to 7.5%.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Florida | State | 6% |
| Monroe County | County | 1.5% |
| Combined rate | 7.5% |
Rate history
- July 20237.5%
- July 20247.5%
- July 20257.5%
- July 20267.5%
- Today7.5%
No change since July 2023.
Sales tax near Marathon
Closest cities
- Key Colony Beach1 mi7.5%
- Florida City60 mi7%
- Cutler Bay73 mi7%
- Palmetto Bay76 mi7%
- Everglades81 mi7%
- Sweetwater83 mi7%
- West Miami84 mi7%
- Doral86 mi7%
Elsewhere in Monroe County
- Key Colony Beach7.5%
Charge the right rate in Marathon, on every order.
Zamp calculates tax at each customer’s address, then files and pays every Florida return for you, with a sales tax team you can call.
Marathon sales tax questions.
Still have questions? Call us at 1-866-438-9267 or email us at support@zamp.com.
What is the sales tax rate in Marathon, Florida?
The combined sales tax rate in Marathon is 7.5% as of November 2, 2026. It’s made up of 6% Florida state tax, 1.5% Monroe County.
Does the sales tax rate vary within Marathon?
Marathon has no special-district taxes, so most addresses in the city pay the same 7.5%: Florida’s 6% plus 1.5% county tax. This rate was calculated for Marathon’s 33050 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Marathon?
No.
Do online sellers have to collect sales tax in Marathon?
Yes, if they have nexus in Florida: more than $100,000 in Florida sales in the previous or current calendar year, or a physical presence in the state. They register with the Florida Department of Revenue and charge the rate at the buyer’s address.
Sources. Florida Department of Revenue · Zamp Sales Tax API, for Marathon’s 33050 ZIP code. Rates are checked monthly and are for information, not tax advice.
Sales tax, off your plate.
Zamp registers you, calculates every order at the customer’s address, files every Florida return and handles notices, with a sales tax team you can call.
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