Businesses in Marathon, Florida

As of October 15, 2026, ListRiver's records show 2,933 active registered businesses in Marathon, Florida. 66% are LLCs. 31 were formed in September 2026.

From official Florida registry records, updated weekly. Most Marathon businesses are in Monroe County. Look up a Florida business by name.

Businesses on record
2,933
Formed in the last 12 months
277
Formed in September
31
With a registered agent
97%
2,839 records

New Marathon businesses per month

02550Oct 2024: 30Oct 24Nov 2024: 20Dec 2024: 12Jan 2025: 482025Feb 2025: 25Mar 2025: 37Apr 2025: 45May 2025: 29Jun 2025: 38Jul 2025: 33Aug 2025: 35Sep 2025: 38Oct 2025: 40Nov 2025: 25Dec 2025: 23Jan 2026: 272026Feb 2026: 28Mar 2026: 33Apr 2026: 9May 2026: 14Jun 2026: 9Jul 2026: 5Aug 2026: 33Sep 2026: 31

Businesses on record by formation month, through September 2026. Monthly Florida new-business reports · Get the list of 31 new businesses formed in September 2026

Entity types

  • LLCs1,930 · 66%
  • Corporations885 · 30%
  • Other112 · 4%
  • LLPs3 · 0%
  • Limited partnerships3 · 0%

Top ZIP codes

Newest business names registered in Marathon

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This is a small sample, not the full list. To keep automated scrapers from copying our data, we only show a handful of records on public pages. Your downloaded list includes every matching business.

BusinessCityTypeFormed
Name hiddenMarathonLLCOct 2026
Name hiddenMarathonLLCOct 2026
Name hiddenMarathonCorporationOct 2026
Name hiddenMarathonLLCOct 2026
Name hiddenMarathonLLCOct 2026
Name hiddenMarathonLLCOct 2026
Name hiddenMarathonLLCOct 2026
Name hiddenMarathonLLCOct 2026
Name hiddenMarathonCorporationSep 2026
Name hiddenMarathonLLCSep 2026
Name hiddenMarathonLLCSep 2026
Name hiddenMarathonLLCSep 2026
Name hiddenMarathonLLCSep 2026
Name hiddenMarathonLLCSep 2026
Name hiddenMarathonLLCSep 2026
Name hiddenMarathonLLCSep 2026
Name hiddenMarathonLLCSep 2026
Name hiddenMarathonLLCSep 2026
Name hiddenMarathonLLCSep 2026
Name hiddenMarathonLLCSep 2026
Name hiddenMarathonLLCSep 2026
Name hiddenMarathonLLCSep 2026
Name hiddenMarathonLLCSep 2026
Name hiddenMarathonCorporationSep 2026
Name hiddenMarathonLLCSep 2026

Build your Marathon business list

See the exact count and price as you filter by county, city, ZIP, entity type and formation date. Download a CSV right away and get monthly refreshes. Verified businesses can pay 20% today and the rest over 6 months with Pay-in-6™, building business credit as they pay.

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Common questions about Marathon businesses

How many businesses are registered in Marathon, Florida?

ListRiver has 2,933 active registered businesses in Marathon, Florida on record as of October 15, 2026, from official Florida business registry data. Dissolved and defunct businesses are not counted.

How many new businesses were formed in Marathon, Florida in September 2026?

31 businesses on record in Marathon, Florida were formed in September 2026.

How many new businesses opened in Marathon, Florida in the last 12 months?

277 businesses on record in Marathon, Florida were formed in the 12 months through September 2026.

What is the most common type of business in Marathon, Florida?

LLCs are the most common: 1,930 of 2,933 businesses on record (66%), followed by Corporations with 885 (30%).

Where does this data come from?

From Florida's official business registry. ListRiver loads each new state file, standardizes it, removes duplicates and updates its database weekly. Email and industry details are added from SMBCredit.net where available.

How do I get a list of businesses in Marathon, Florida?

Use ListRiver's list builder to filter Marathon, Florida businesses by entity type, formation date, industry and contact details, see the exact count and price, and download a CSV. Every list includes monthly refresh files.

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About this data

Counts come from official Florida business registry records on file with ListRiver, current as of October 15, 2026. They include businesses that are active on the state register; dissolved and defunct entities are excluded. Contact details are added from SMBCredit.net where available. Formation months reflect the registration date the state reports. See the methodology for sources, update schedules and known limits.