Marathon, FL Commercial Real Estate for Sale

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50 properties

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Updated: Jul 7

Contiguous Medical Office Suites

5701 Overseas Hwy 10, Marathon, FL 33050

$725,000

2,556 sqft

3 contiguous professional office units (8, 9 & 10) totaling 2,556 SF in The First Professional Centre
Units 8 and 9 are currently configured as a combined medical office suite (852 SF each)
Unit 10 is a separate medical office (852 SF) with interior access to Units 8 & 9 for flexible use
Prominent business signage and a shared, spacious parking lot along Overseas Highway for roadside visibility
Highly visible 17‑unit CBS elevated complex on Overseas Highway in Marathon

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This listing looks promising.

Here's a quick look at some key insights for

5701 Overseas Hwy 10, Marathon, FL 33050

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Est. Cap Rate

6.7%
Above avg (5.9%)
Est. NOI

$48K
Annual
Price @ 7% Cap

$688K
Suggested

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Updated: Mar 25

Office Building with Double Drive-Thru

11401 Overseas Highway, Marathon, FL 33050

$1,533,333

3,429 sqft 0.34 AC lot

3,429 SF air conditioned office space
Double drive‑thru plus upstairs open patio
0.34‑acre (15,000 SF) corner lot with direct highway exposure
MU - Mixed Use Commercial zoning for office or retail uses
CBS construction with 1983 build year

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Cleared Commercial Corner Lot

319 Tuskegee Street, Marathon, FL 33050

$239,000

0.06 AC lot

Vacant corner parcel with water views and public water access in a central commercial setting.

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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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Oceanfront Mixed-Use Land

57478 Overseas Highway, Marathon, FL 33050

$7,000,000

2.37 AC lot

The parcel carries MU - Mixed Use Commercial zoning at a Marathon address in the Florida Keys.

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Waterfront Marina Property

38 Coco Plum Drive, Marathon, FL 33050

$4,950,000

5,439 sqft 0.69 AC lot

Five contiguous lots provide mixed-use maritime zoning, boat slips, and direct access to the waterfront.

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Waterfront Marina Boat Slip

100 Avenue I, Marathon, FL 33050

$920,000

Oversized boat slip at Coco Plum Beach Yacht Club with electric, water, pump-out services, dock access, tiki hut, and storage.

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Waterfront Mixed-Use Development Land

13759 Overseas Highway, Marathon, FL 33050

$3,900,000

124,300 sqft

Waterfront uplands with four building rights and bay bottom ownership, highway frontage, and multiple access points.

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Commercial Land with Ocean-Access Dockage

8501 Overseas Highway, Marathon, FL 33050

$3,450,000

0.95 AC lot

Commercial vacant land with 231 feet of highway frontage, zoning MU, and 128 feet of private boat dockage.

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Private Marina With Liveaboard Slips

1466 Overseas Highway, Marathon, FL 33050

$165,000

Protected-basin marina with shared clubhouse, guest accommodations, showers, laundry, and workshop facilities.

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Established Restaurant Business

11400 Overseas Highway 116, Marathon, FL 33050

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1,350 sqft

Operating restaurant with included equipment, inventory, proprietary recipes, and beer-and-wine licensing.

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Shared Office Space

9141 Overseas Highway, Marathon, FL 33050

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84 sqft 0.47 AC lot

Shared workspace includes common break-room and restroom facilities with central air.

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Waterfront Marina Slip Land

35 Sombrero Boulevard, Marathon, FL 33050

$259,000

Sombrero Marina boat slip is 50 feet long for boats up to 55 feet, with one allocated parking space.

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Waterfront Retail Opportunity in Marathon

12790 Overseas Hwy, Marathon, FL 33050

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1,372 sqft 1.24 AC lot

Prime 1.24-acre commercial property with highway frontage and waterfront access.

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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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Overseas Highway Mixed-Use Investment

7070 Overseas Highway, Marathon, FL 33050

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4,168 sqft

Mixed-use property with commercial space and residential rental units.

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Two-Story Mixed-Use Building

2901 Overseas Highway, Marathon, FL 33050

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4,560 sqft 0.35 AC lot

Flexible commercial suites occupy the lower level, with two residential apartments above and a rear parcel with canal access.

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Established Restaurant with Beer and Wine License

116-11400 Overseas Hwy, Marathon, FL 33050

$489,000

Operating restaurant business with furnishings, equipment, inventory, recipes, and an existing beer and wine license.

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Corner Retail Storefront

6950 Overseas Highway, Marathon, FL 33050

$2,200,000

Retail storefront for sale located directly on the corner of US 1 and 70th Street Gulf.

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Frank’s Grill Restaurant

11400 Overseas Highway, #116, Marathon, FL 33050

$489,000

Established dining operation with furnishings, equipment, inventory, and a beer-and-wine license included.

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Restaurant Space in Mall Plaza

11400 Overseas Highway 116, Marathon, FL 33050

$279,000

Restaurant space located in the northeast corner of Towne Square Mall, off 116th Street Gulf along U.S. Highway 1.

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Owned-Bottom Live-Aboard Marina Slip

35 Sombrero Boulevard, #A15, Marathon, FL 33050

$330,000

A-side berth with dockside utilities, harbor access, and onsite marina services.

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Mixed-Use Retail and Apartments

6799 Overseas Hwy, Marathon, FL 33050

Contact for pricing

4,858 sqft 0.24 AC lot

Two-story concrete building with three retail/office units on the ground floor and three residential apartments above.

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Marathon, FL Commercial Real Estate Market Trends and Statistics

Explore 72 commercial real estate for sale in Marathon, FL, showcased through 50 active listings on our real estate platform. These investment opportunities span a total of 202,605 square feet of properties for sale, with an estimated market value of $65,277,333.

Sale prices for business properties in Marathon, FL start at $99,000, averaging $2,510,666, and reaching up to $12,900,000 — 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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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	$1.9M

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

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