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Marathon, FL
Challenging To Investors
Local STR Agent
Local STR Agent

Yes, short-term rentals (STRs) are explicitly allowed in Marathon, Florida, but are heavily regulated. The City of Marathon permits licensed vacation rentals for stays of 7 to 28 nights; rentals for fewer than 7 nights are prohibited. The City requires licenses for property owners and agents, mandatory training, fire inspections, and compliance with local and state regulations. While Monroe County governs unincorporated areas, Marathon is an incorporated city with its own STR framework. Investors must comply with both City of Marathon regulations (for properties within city limits) and Monroe County rules (for surrounding unincorporated areas). This guide prioritizes City of Marathon requirements, followed by County rules for context.
City of Marathon Key Requirements:
Monroe County (Unincorporated Areas) Key Restrictions:
Florida State Regulations (Apply to all STRs):
City of Marathon (Code Compliance - Vacation Rentals within City Limits)
Monroe County (Planning & Environmental Resources - STR Permits/Licenses in Unincorporated Areas)
Marathon hosts earn a median $59,827/year with $422 ADR and 67% occupancy.
Top performers pull in $94,760+ per year.
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Marathon is a small coastal city in Monroe County, Florida, situated in the heart of the Florida Keys. With an approximate population of around 8,000, it carries the laid-back, sun-bleached character of a working island town that doubles as a popular vacation hub. The city stretches across Vaca Cut between Vaca Key and Knight's Key and serves as a natural midpoint for travelers exploring the Overseas Highway, the scenic route that links the mainland to Key West. Marathon sits roughly 50 miles north of Key West and about 100 miles south of Miami, with the drive from the mainland taking around two and a half hours depending on traffic.
One of the area's signature draws is Bahia Honda State Park, located southwest of Marathon on Bahia Honda Key. Long recognized as one of the best beaches in the continental United States, the park is known for its calm turquoise water, soft sand, and sweeping views of the Seven Mile Bridge, the iconic old railway span that arches across the water toward the Lower Keys. It is approximately a 30- to 40-minute drive from the city center.
History and natural beauty come together at the Crane Point Museum & Nature Center, a roughly 63-acre preserve and cultural complex within Marathon. Visitors can wander through tropical hardwood hammocks and mangrove wetlands along shaded nature trails while also exploring exhibits on Keys history, including the restored Adderley House, one of the oldest structures in the Florida Keys. Just off the Overseas Highway, the property is only a few minutes' drive from most local accommodations.
The Turtle Hospital is a working marine rehabilitation facility dedicated to the rescue and recovery of injured sea turtles. Open for educational tours, it offers visitors a close look at the animals in its care, from small hatchlings to large sub-adults, and has become a favorite stop for families traveling through the Keys.
For a dose of local heritage, Pigeon Key sits beneath the Old Seven Mile Bridge, about 15 minutes southwest of Marathon. The small historic island once housed workers who built the Key West Extension of the Florida East Coast Railway in the early twentieth century and now functions as a museum and educational center, giving visitors a window into the engineering feats that made life in the Keys possible.
Marathon's mix of natural beauty, marine wildlife, and central-Keys location makes it a compelling base for short-term rentals. Travelers are drawn by the proximity to world-class snorkeling and diving on nearby reefs, the convenience of a half-day's drive from Miami, and easy day-trip access south to Key West, all while enjoying a quieter, more residential pace than the busier end-points of the Overseas Highway.
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