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Marathon, FL Apartment Buildings for Sale

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Key Colony Beach, FL Duck Key, FL Conch Key, FL

Waterfront Residences - Investment Opportunity

$11,000,000

4,066 SF

Waterfront Residences - Investment Opportunity

2394 Coco Plum Drive, Marathon, FL 33050

Three designer residences near Coco Plum Beach with income potential.

Three designer waterfront residences on one parcel, steps from Coco Plum Beach with direct ocean access.
High income potential due to weekly rental zoning.
Each home features 6 bedrooms, 6.5 bathrooms, private pool, tiki hut, and dock.
Built in 2019 with impact windows/doors and three AC units per home.
Seller financing available with 30% down.

Updated: May 21, 2025

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$9,900,000

22,000 SF

Grassy Key Marina Investment

59073 Overseas Hwy, Marathon, FL 33050

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

Established marina with 110 indoor/outdoor dry rack storage spaces, 33 wet slips, and 78 trailer storage spaces.
Proven income generation from convenience store and 4 studio apartments ($5,500/month).
High visibility location on US‑1 (Overseas Hwy) at the north entrance to Marathon.
Award‑winning marina: 2022, 2023, and 2024 Boater’s Choice Award and 2023 and 2024 Marinas.com Elite Fleet Boaters Choice Award.
Enjoy the Tiki Hut overlooking the Gulf of Mexico.

Updated: Dec 18, 2023

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Based on your search, we've compiled 13 Potential Opportunities for your consideration. Besides 2 Active listings in Marathon, FL, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 3 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.

$2,250,000

3,876 SF

Key West Multi-Unit Investment

Six legal apartments with parking in Old Town Key West.

912 Pohalski Street, Key West, FL 33040

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Waterfront Key West Investment Opportunity

$4,750,000

3,788 SF

Waterfront Key West Investment Opportunity

Historic Key West property with multi-family configuration and commercial zoning.

901 Eisenhower Drive, Key West, FL 33040

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$1,500,000

New Construction Five-Plex in Homestead

New construction five-unit multifamily property, ready for lease-up.

1515 N Redland Rd, Florida City, FL 33034

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$1,500,000

5,800 SF

New Construction Five-Plex in Homestead

New construction five-unit multifamily property, ready for lease-up.

1515 N Redland Rd, Florida City, FL 33034

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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.

$4,350,000

0.96 Acres

Prime Miami Development Opportunity

Rare 1-acre parcel in Miami, pre-approved for 80+ units.

2801 NW 102nd St, Miami, FL 33165

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$2,225,000

0.34 Acres

Waterfront Lot in Treasure Island

Waterfront lot zoned for multifamily residential use in Treasure Island.

141 104TH AVENUE, Treasure Island, FL 33706

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$675,000

143,748 SF

Ocean Springs Highway 90 Land

3.3 acre commercial land on Highway 90, Ocean Springs.

Bienville Blvd, Ocean Springs, MS 39564

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$699,900

1.33 Acres

Greenville Development Opportunity: 1.33 Acres

1.33 acre parcel suitable for multi-family development near downtown.

71 Salters Road, Greenville, SC 29607

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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.

Multifamily properties

Value Estimation by Request

442 48Th Street Ocean, Marathon, FL 33050

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Multifamily properties

Value Estimation by Request

104 52Nd Street Ocean, Marathon, FL 33050

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Multifamily properties

Value Estimation by Request

308 Sombrero Beach Rd, Marathon, FL 33050

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Marathon, FL Apartment Buildings Investment Opportunities Market Analysis

Explore 5 apartment buildings for sale in Marathon, FL on our real estate platform. These investment opportunities span a total of 26,066 square feet of properties for sale, with an estimated market value of $20,900,000.

Sale prices for two-family homes in Marathon, FL start at $9,900,000, averaging $10,450,000, and reaching up to $11,000,000 — 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 median listing prices of real estate assets

Neighborhood	Average Price
33050	$10.5M

Taxes & Financing

Tax Rate (average for all types) 0.86%

Property Tax per SF $8.45 per sq ft

Tax Rate vs County Average 0.11 pp above county avg

Average Loan-to-Value 65.0%

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Marathon, FL Apartment Buildings for Sale