Marathon, FL Land for Sale

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Key Colony Beach, FL Duck Key, FL Conch Key, FL Islamorada, FL No Name Key, FL Big Pine Key, FL

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Updated: Apr 15

Waterfront Half-Duplex Home

100 E 63rd Street Ocean, Marathon, FL 33050

$895,000

1,342 sqft 0.09 AC lot

3‑bedroom, 2‑bath half duplex with 1,342 sq ft, built in 1973, on the ocean side in Marathon
50 ft of new dockage with rebuilt dock and direct ocean access for boating and fishing
Fully renovated interior with quartz countertops, tile flooring, and stainless steel appliances
Impact windows and doors, plus central heating and central air with a new A/C system
Offered completely furnished; includes washer and dryer

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Updated: Mar 27

Highway Frontage Development Opportunity

8501 Overseas Highway, Marathon, FL 33050

$3,450,000

0.95 AC lot

Prime Highway Frontage: Approximately 231 feet of highly visible highway frontage.
Development Ready: Cleared land, fully enclosed with privacy fencing.
Income‑Producing Billboard: Existing billboard provides immediate income with a flexible month‑to‑month lease.
Direct Ocean Access: Rare 128 feet of private boat dockage.
Strategic Location: Situated between 85th and 86th street, directly across from Marathon Airport.

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Corner Waterfront Land Parcel

319 Tuskegee Street, Marathon, FL 33050

$239,000

0.06 AC lot

Vacant, cleared corner lot with water views in Marathon, positioned near multiple community and retail uses.

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Waterfront Dry Lot for Development

300 Coco Plum Drive, Marathon, FL 33050

$405,000

0.50 AC lot

Oversized dry lot across from Coco Plum Beach, offering flexibility for future development in Marathon.

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Waterfront Development Site with Dockage

14 125th Street Gulf, Marathon, FL 33050

$3,549,000

1.72 AC lot

Waterfront property with approved deep-water dockage and conditional use approval for 10 units plus 4 staff group home units.

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Waterfront Development Land

93 N Conch Ave, Marathon, FL 33050

$598,500

0.11 AC lot

Waterfront parcel in Conch Key with a newly constructed seawall, approved building plans, and direct water access.

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Waterfront Mixed-Use Development Site

14 125Th Street Gulf, Marathon, FL 33050

$3,549,000

6,128 sqft 1.72 AC lot

Waterfront mixed-use site with approved deep-water dockage and a recertified two-story raised CBS building.

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Waterfront Redevelopment Opportunity with Dockage

14 125th Street Gulf, Marathon, FL 33050

$3,549,000

6,128 sqft 1.72 AC lot

Rare waterfront redevelopment site with deep water dockage and highway frontage.

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Waterfront Lot Ready to Build

1021 27Th Street Ocean, Marathon, FL 33050

$679,000

0.09 AC lot

Premium waterfront lot with building rights and deep water dockage.

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ROGO-Approved Residential Development Land

77 S Conch Ave, Marathon, FL 33050

$498,500

0.08 AC lot

Land in Marathon with two transferable ROGO allocations and approval for up to four residential units under existing plans.

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Oceanfront Waterfront Land Parcel

94 Sunrise Drive, Marathon, FL 33050

$2,899,000

0.92 AC lot

Ocean- and canal-front lot in a gated community with extensive beach frontage and potential for dockage on two sides.

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Oceanside Lot Overlooking Coco Plum Beach

300 Coco Plum, Marathon, FL 33050

$405,000

0.50 AC lot

21,808 sq ft lot with unobstructed ocean views.

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Waterfront RV Lot with Dock Access

6099 Overseas Highway 42E, Marathon, FL 33050

$300,000

1,125.00 AC lot

Buildable RV lot with 28 feet of water frontage and quick, direct ocean access in Key By the Sea.

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Waterfront Land in Marathon, Florida

248 Pescayo Avenue, Marathon, FL 33050

$1,450,000

0.26 AC lot

Buildable waterfront lot with ocean access in Marathon, Florida.

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Canal-Front Waterfront Land

6099 Overseas Highway lot: 55W, Marathon, FL 33050

$330,000

0.03 AC lot

Canal-front lot with a newly rebuilt dock and boat lift for immediate water access.

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Oceanfront Land Development Parcel

57478 Overseas Highway, Marathon, FL 33050

$7,000,000

2.37 AC lot

Waterfront mixed-use land in Marathon on 2.37 acres, offered via a U.S. Bankruptcy Auction process.

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Waterfront Lot With Dockage & Plans

1021 27Th Street Ocean, Marathon, FL 33050

$679,000

Build-ready waterfront lot with protected deep-water dockage and included house plans for a new residence.

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Oceanfront Development Land

57478 Overseas Highway, Marathon, FL 33050

$7,000,000

2.37 AC lot

Waterfront mixed-use land in Marathon, offered via bankruptcy auction, with direct oceanfront and beach access.

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Direct Oceanfront Land Lot

1235 83rd Street Ocean, Marathon, FL 33050

$1,900,000

Cleared, graveled oceanfront lot with a 120-foot concrete seawall and dock, plus an additional boat-slip cut-in.

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Vacant Waterfront Corner Lot