Marathon, FL Specialty Properties for Sale

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Updated: Apr 24

Waterfront Marina Boat Slip

100 Avenue I, Marathon, FL 33050

$920,000

Oversized boat slip in Coco Plum Beach Yacht Club (Coco Plum Beach neighborhood of Marathon)
22' x 80' slip with 65' dock, positioned on the oceanside for direct, bridge‑free open water access
Located at the end of a secure, gated section of the marina for added privacy
Includes electric, water, and pump‑out services, plus a dedicated storage unit for boating gear
Features an 11' x 30' tiki hut for outdoor living just steps from the vessel

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Updated: Jul 15

Waterfront Marina Slip Land

35 Sombrero Boulevard, Marathon, FL 33050

$259,000

50' live‑aboard boat slip at Sombrero Marina accommodates boats up to 55' length
Current rental income of $1,600/mo for a slip of this size
Includes one allocated parking space; parking feature listed as assigned
Sombrero Marina offers additional showers, restroom, and laundry for use
Dockmaster assistance available for renting the slip out when not in use

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Liveaboard Marina Waterfront Land

1466 Overseas Highway, Marathon, FL 33050

$175,000

Private marina property with 24 liveaboard slips, 30/50 amp power pedestals, and clubhouse facilities.

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Waterfront Land with Protected Basin

9701 Gulf Of Mexico Boulevard, #Lot 4, Marathon, FL 33050

$685,000

Large waterfront lot includes building right and a protected deep-water boat basin with deed and dock.

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Half Duplex Investment Property

252 66th Street, Marathon, FL 33050

$315,000

783 sqft 0.06 AC lot

Half duplex with two bedrooms, one bathroom, small yard with shed, ample front and side parking, and brand new central air.

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Marina Boat Slip with Live-Aboard Approval

100 Ave I, Marathon, FL 33050

$375,000

Oversized boat slip offers ocean-side access, secured marina placement, and live-aboard approval with dedicated storage and a tiki hut.

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Oversized Boat Slip with Live-Aboard Approval

100 Ave I, Marathon, FL 33050

$375,000

Oversized marina slip in a gated section with live-aboard approval and direct ocean-side access.

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Oceanfront Home on Atlantic

101 11th Street Ocean, Lot 33, Marathon, FL 33050

$629,000

1,000 sqft

New construction, ocean views, community amenities, and rental potential.

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Commercial Unit Near Marathon Airport

9707 Overseas Hwy, Marathon, FL 33050

$215,000

Commercial unit near Marathon Airport with ample parking.

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Net-Leased Retail Building

11600 Overseas Highway, Marathon, FL 33050

Contact for pricing

NNN lease with tenant responsibility for taxes, insurance, and maintenance, plus a new roof installed in 2018.

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Ocean-Side Marina Development Land

13900 OVERSEAS HWY, Marathon, FL 33050

$13,000,000

20.00 AC lot

Over 20 acres with an operating marina and storage, positioned for redevelopment on the ocean side.

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Live-A-Board Marina Slip Pair

100 Ave I, #35 & 36, Marathon, FL 33050

$410,000

Two adjacent marina slips with on-site laundry, bathhouse, and mail, positioned for direct Atlantic Ocean access.

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Grassy Key Marina Investment

59073 Overseas Hwy, Marathon, FL 33050

$9,900,000

22,000 sqft

Marina with rental income, apartments, and potential for growth.

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Based on your search, we've compiled 40 Potential Opportunities for your consideration. Besides 13 Active listings in Marathon, FL, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 19 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

Opportunities in Nearby Cities

Here are 4 Similar properties we found in Nearby Locations for your consideration.

Florida Keys Watersports Business Opportunity

68200 Overseas Highway, Long Key, FL 33001

$415,000

800 sqft 0.19 AC lot

Established watersports business for sale in the Florida Keys.

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Conch Key Commercial Opportunity

15 Seaview Avenue, Conch Key, FL 33050

$2,950,000

1,000 sqft 0.64 AC lot

Commercial property with fish house, dockage, and equipment.

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Hotel/Motel,Marina,Mobile Home Park - Conch Key, FL

62250 Overseas Hwy Little Conch Is, Conch Key, FL 33050

$5,750,000

826 sqft 1.98 AC lot

Rare Florida Keys island with entitlements and development flexibility.

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Waterfront Marina Property

68200 Overseas Highway, Long Key, FL 33001

$415,000

For-sale marina offering commercial waterfront operations in Monroe County, accessed via Overseas Highway.

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Potential Development Sites for Consideration

Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

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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Mixed-Use Gulffront Estate with Dock

6500-6600 Overseas Highway, Marathon, FL 33050

$9,500,000

10,852 sqft 3.86 AC lot

Gulffront mixed-use property with gated entrances, concrete dockage, and a 10,852 SF concrete mansion needing repairs.

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Waterfront Land Parcel with Private Lake

33000 Old State Road 4A, No Name Key, FL 33043

$800,000

20.00 AC lot

20-acre parcel featuring a 17-acre saltwater lake, with development prohibited and no home or commercial use allowed.

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Offshore Island Land For Sale

Little Knockemdown Key, Summerland Key, FL 33042

$85,000

4.00 AC lot

4-acre offshore island lot suitable for temporary camping and exploration.

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Off-Market Properties in Marathon, FL

Consider similar Off-Market properties in Marathon, FL. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

PROFESSIONAL CLUBS/ASSOCIATIONS

5270 Overseas Hwy, Marathon, FL 33050-2604

Value Estimation by Request

3,345 sqft 0.71 AC lot

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PROFESSIONAL CLUBS/ASSOCIATIONS

5211 Loggerhead Ln, Marathon, FL 33050

Value Estimation by Request

1,891 sqft 0.20 AC lot

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PROFESSIONAL CLUBS/ASSOCIATIONS

3876 Gulfview Ave, Marathon, FL 33050-2320

$975,000

Estimated value

7,396 sqft 7.90 AC lot

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PROFESSIONAL CLUBS/ASSOCIATIONS

Marathon, FL 33050

Value Estimation by Request

9.85 AC lot

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PROFESSIONAL CLUBS/ASSOCIATIONS

11600 1st Ave Gulf, Marathon, FL 33050-5001

Value Estimation by Request

9,849 sqft 0.50 AC lot

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Specialty properties

2394 Coco Plum Dr, Marathon, FL 33050

Value Estimation by Request

11,286 sqft

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Specialty properties

108 Santa Barbara, Marathon, FL 33050

Value Estimation by Request

View details

PROFESSIONAL CLUBS/ASSOCIATIONS

4000 Sombrero Blvd, Marathon, FL 33050-2458

$1,360,000

Estimated value

13,236 sqft 2.16 AC lot

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PROFESSIONAL CLUBS/ASSOCIATIONS

100 San Juan St, Marathon, FL 33050-3711

Value Estimation by Request

5,040 sqft 1.50 AC lot

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PROFESSIONAL CLUBS/ASSOCIATIONS

8239 Overseas Hwy, Marathon, FL 33050-3237

Value Estimation by Request

5,400 sqft 0.51 AC lot

View details

PROFESSIONAL CLUBS/ASSOCIATIONS

4153 Overseas Hwy, Marathon, FL 33050

Value Estimation by Request

4,338 sqft 0.61 AC lot

View details

Marathon, FL Specialty Properties Market Trends and Statistics

Explore 32 specialty properties for sale in Marathon, FL, showcased through 13 active listings on our real estate platform. These investment opportunities span a total of 23,783 square feet of properties for sale, with an estimated market value of $10,844,000.

Sale prices for properties in Marathon, FL start at $315,000, averaging $3,614,666, and reaching up to $9,900,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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Top Commercial Asset Segments

Commercial property segments ranked by active listings on the market

Demographics Overview

Population 11K

Population Growth (5Y) +12.2%

Median Household Income $83,776

College Educated 36.9%

High-Yield Neighborhoods for Investment

Identify Marathon submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

Neighborhood	Average Price
33050	$5.5M

Taxes & Financing

Tax Rate (average for all types) 0.86%

Property Tax per SF $8.45 per SF

Tax Rate vs County Average 0.11 pp above county avg

Average Loan-to-Value 65.0%

Listings Trend

New vs delisted commercial listings in Monroe County

New Delisted

Total CRE Inventory on Market (SF)

Average Property Price per SF

For-sale pricing trends across core commercial property types in Monroe County

Retail

Residential Income

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Marathon, FL Specialty Properties for Sale

100 Avenue I, Marathon, FL 33050

35 Sombrero Boulevard, Marathon, FL 33050

1466 Overseas Highway, Marathon, FL 33050

9701 Gulf Of Mexico Boulevard, #Lot 4, Marathon, FL 33050

252 66th Street, Marathon, FL 33050

100 Ave I, Marathon, FL 33050

100 Ave I, Marathon, FL 33050

101 11th Street Ocean, Lot 33, Marathon, FL 33050

9707 Overseas Hwy, Marathon, FL 33050

11600 Overseas Highway, Marathon, FL 33050

13900 OVERSEAS HWY, Marathon, FL 33050

100 Ave I, #35 & 36, Marathon, FL 33050

59073 Overseas Hwy, Marathon, FL 33050

Opportunities in Nearby Cities

68200 Overseas Highway, Long Key, FL 33001

15 Seaview Avenue, Conch Key, FL 33050

62250 Overseas Hwy Little Conch Is, Conch Key, FL 33050

68200 Overseas Highway, Long Key, FL 33001

Potential Development Sites for Consideration

248 Pescayo Avenue, Marathon, FL 33050

6500-6600 Overseas Highway, Marathon, FL 33050

33000 Old State Road 4A, No Name Key, FL 33043

Little Knockemdown Key, Summerland Key, FL 33042

Off-Market Properties in Marathon, FL

5270 Overseas Hwy, Marathon, FL 33050-2604

5211 Loggerhead Ln, Marathon, FL 33050

3876 Gulfview Ave, Marathon, FL 33050-2320

Marathon, FL 33050

11600 1st Ave Gulf, Marathon, FL 33050-5001

2394 Coco Plum Dr, Marathon, FL 33050

108 Santa Barbara, Marathon, FL 33050

4000 Sombrero Blvd, Marathon, FL 33050-2458

100 San Juan St, Marathon, FL 33050-3711

8239 Overseas Hwy, Marathon, FL 33050-3237

4153 Overseas Hwy, Marathon, FL 33050

Marathon, FL Specialty Properties Market Trends and Statistics

Top Commercial Asset Segments

Demographics Overview

High-Yield Neighborhoods for Investment

Taxes & Financing

Listings Trend

Total CRE Inventory on Market (SF)

Average Property Price per SF

Retail

Residential Income

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