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“Welcome to Marathon,” Marathon, Florida KeysPhoto: Sharon Hahn Darlin · CC BY 2.0
A+Outdoors
Outdoors in Marathon

24% of Marathon’s land is conserved, and virtually every resident lives within a half mile of a park

Virtually every resident lives within a half mile of a park. 24% of Marathon’s land is conserved, about 1,316 acres. 1,299 acres are parks and preserves, 131 per 1,000 residents.

Ahead of 95% of U.S. towns · #21 of 638 in Florida. What drives it

Conserved land
24%
1,316 acres · of 8.4 sq mi of land
Trails
3.7 mi
0.4 per sq mi of land
Park land
1,299 ac
131 acres per 1,000 residents
Near a park
99%+
of residents within ½ mile
Bike routes
15 mi
3.5 mi lanes · 12 mi paths
Lakes & rivers
2
7 beaches · 11 boat launches

What kind of outdoors town is Marathon?

Read from the map. The page puts what stands out first.

Outdoors grade

How much outdoors does Marathon have?

On conserved land, trails, park land and how close residents live to a park, Marathon is ahead of 95% of U.S. towns, #21 of 638 in Florida. All four inputs are above most U.S. towns; conserved land ranks highest, trail miles lowest.

A+
OutdoorsA character grade: shown, never part of Marathon’s overall grade.
All U.S. towns we grade (21,298)Ahead of 95%
LessMore
Florida towns of 2,500+ (638)Ahead of 97%

Water is 9% of Marathon’s area (1 of 9 square miles), so every share here is of land; over land and water together, the conserved share would read 22%.

How sure. Graded on any three of the four inputs instead, the letter would range from A to A+. Trails and many small parks come from OpenStreetMap, mapped by volunteers, so coverage varies from town to town; the half mile is a straight line from each census block, so a river or highway in the way isn’t counted against it.

PAD-US, OpenStreetMap (© OpenStreetMap contributors), Census 2025 Gazetteer and 2020 blocks; details in Sources below. How TownRatings grades the outdoors →

The map

Conserved land, trails & bike routes

Tap a number to zoom to a park. Tap a layer to hide it.

1234
Easements protect land from building but are usually private.© OpenStreetMap contributors · USGS PAD-US
Places to walk

Pick a walk

The longest trail network is Curry Hammock State Park, with 1.4 miles. Directions go to the nearest trailhead or public parking.

Curry Hammock State Park

Park
733 acres1.4 mi of trail
Dog rules not recorded
Directionsto the parking lotWebsite ↗

Marathon Community Park

Park
13 acres0.7 mi of trail
Dog rules not recorded
No trailhead mapped yet

Florida Keys National Marine Sanctuary

Managed by National Oceanic and Atmospheric Administration;Florida Department of Environmental Protection
546 acres0.1 mi of trail
Dog rules not recorded
Directionsto the parking lotWebsite ↗

Cocoa Plum Beach

Park
34 acres
Dog rules not recorded
Directionsto the parking lot
All 8 parks & preserves
Curry Hammock State Park733 acres · 1.4 mi of trail
Directions
Marathon Community Park13 acres · 0.7 mi of trail
Florida Keys National Marine Sanctuary546 acres · 0.1 mi of trail · National Oceanic and Atmospheric Administration;Florida Department of Environmental Protection
Directions
Sombrero Beach8 acres · 0.1 mi of trail
Directions
Cocoa Plum Beach34 acres
Directions
Oceanfront Park12 acres
Directions
Children's Rotary Park4 acres
Jesse Hobbs Park1 acres
Who protects it

1,316 conserved acres

24% of Marathon’s land. Water is left out: Marathon has 8.4 square miles of land and 0.8 of water, so the share counts land only. Who manages Marathon’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.

State parks753 ac
Other state land167 ac
Town or city131 ac
County116 ac
State fish & wildlife85 ac
Land trusts & nonprofits66 ac
State Park · 920 acLocal Other or Unknown · 116 acState Conservation Area · 85 acLocal Park · 68 acPrivate Conservation · 66 ac
The biggest protected parcels
Parcel (PAD-US)Managed byAcresPublic access
Curry Hammock State Park
State Park
State parks753Open
Florida Keys Overseas Heritage State Trail
State Park
Other state land167Open
Monroe County Managed Areas
Local Other or Unknown
County116Open
Florida Keys Wildlife and Environmental Area
State Conservation Area
State fish & wildlife85Restricted
Crane Point
Private Conservation
Land trusts & nonprofits65Closed
City of Marathon Conservation Lands
Local Conservation Area
Town or city64Open
Coco Plum Beach
Local Park
Town or city24Open
Marathon Community Park
Local Park
Town or city21Open
Marathon Oceanfront Park
Local Park
Town or city11Open
Sombrero Beach Park
Local Park
Town or city8Open

3 smaller protected places aren’t shown.

Things to do

25 places to go in Marathon

Beaches, playgrounds, peaks, falls and more. Pick a kind.

Beaches in Marathon
Campground BeachIn Curry Hammock State Park
Directions
Coca Plum BeachIn Cocoa Plum Beach
Directions
Public BeachIn Florida Keys National Marine Sanctuary
Directions
Sombrero BeachIn Florida Keys National Marine Sanctuary
Directions
Tranquility Bay Beach House Resort
Directions

Plus 2 beaches without a name on the map. Tap “Show all on map” to see them.

Trails & water

2 lakes & rivers

Lakes & rivers tap for directions
Biking & sports

15 miles of bike routes

Bike lanes are often missing from the map in smaller towns, so that number is likely low.

3.5 mi
painted or protected bike lanes
12 mi
off-road bike paths
Courts & fields
17Tennis
4Baseball
3Basketball
3Soccer
2Beach volleyball
1Skate park
1Softball

Includes school and college facilities, which aren’t always open to the public.

History along the way

2 places on the National Register

The country’s official list of places worth saving (National Park Service).

History →
George Adderley HouseBuilding · listed 1992
About it
Crane PointBuilding · listed 2021
About it
When to get out

April is the best month for walking in Marathon

NOAA’s 1991–2020 normals for the town and the daylight at its latitude. Outlined months have long days, highs of 59 to 86 °F and little rain for the place.

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)10.811.311.912.713.313.713.513.012.311.510.910.6
High (°F)767880838689909089858178
Rain (in)1.91.61.92.23.95.13.95.36.85.42.22.0

February is the driest month (1.6 in) and July the warmest (highs of 90 °F). 6.8 inches fall in September, the wettest month. Summer highs reach 90 °F, too hot for the outline. The climate in Marathon →

Next door

Marathon and its neighbors

Marathon has the most mapped trails of the 2 towns around it. Tap a town to see its outdoors.

TownConserved
of land
Trail mi
per sq mi
Park acres
per 1,000
Near a park
½ mile
Outdoors
Marathon24%0.413199%+A+
Key Colony Beach— not graded: under 1,000 residents or part of its town

The four inputs of the Outdoors grade, from the engine; shares are of land, not water.

Questions about parks and trails in Marathon

Where can I hike in Marathon?

The longest trail networks: Curry Hammock State Park, 1.4 miles; Marathon Community Park, 0.7 miles; Florida Keys National Marine Sanctuary, 0.1 miles. Each one is on the map above, with directions to the nearest trailhead or parking.

How much of Marathon is conserved land?

24% of its land, against a typical 3% for a Florida town and 4% nationally (PAD-US). Conserved doesn’t always mean open to visitors: easements are usually private land.

Are dogs allowed on Marathon’s trails?

Curry Hammock State Park and Marathon Community Park don’t have dog rules recorded on the map; check the signs at the trailhead.

Where can I bike in Marathon?

15 miles of bike routes are on the map: 3.5 of painted or protected lanes and 12 of off-road paths.

Is there public land near Marathon?

3,472 acres of parks and open public land lie inside Marathon or within 10 miles of it (PAD-US), 1,299 of them inside the city line.

How much outdoors does Marathon have?

Ahead of 95% of U.S. towns on the Outdoors grade, #21 of 638 in Florida. The grade combines the share of land that is conserved, miles of mapped trail per square mile of land, park acres per 1,000 residents and the share of residents within a half mile of a park. It’s a character grade, so it isn’t part of the overall grade. How it works.

Trail talk

Conditions, parking and favorite walks from Marathon neighbors.

Town Square →
Share a tip
Sources

Where this page comes from

Conserved and public land: USGS Protected Areas Database of the United States (PAD-US), service updated July 2026. Parks, trails, playgrounds, beaches and other places: OpenStreetMap (© OpenStreetMap contributors, ODbL), map data as of 2026-10-28. Land and water area: Census 2025 Gazetteer. Residents near a park: 2020 Census blocks. National Register: National Park Service. How TownRatings grades the outdoors →