Marathon FL Real Estate & Land for Sale

38 Properties Found

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Beds:
n/a
Baths:
Sq.Ft.:
n/a
Status:
Active
MLS#:
614608
Type:
Land
Subdivision:
Marina Sub (54.0)
Lot size:
0.3 Acres
Courtesy: Coldwell Banker Schmitt Real Estate Co. 305-743-5181
View additional info

ADDITIONAL INFORMATION

Stunning Open Water Views in the Exclusive Seawatch Community - Lot 3 + Boat Slip BU5Overseas Highway, Marathon, FL 33050A rare opportunity to build your oceanfront dream retreat in the prestigious, gated community of Seawatch in Marathon! This 13,200 sq ft lot (just over 1/4 acre) offering breathtaking open water views and the serenity of Keys living.This property conveys with a building right, allowing you to build on your own timeline with no expiration. Enjoy a deeded boat slip (BU5) in the protected Seawatch marina, with quick access to both the Atlantic Ocean and Gulf of Mexico via Vaca Cut. Minutes from world-class fishing, diving, and the iconic Valhalla Sandbar.Resort-style amenities include a waterfront pool and spa, clubhouse with fitness center, tennis courts, walking paths, and boat/trailer storage--all within the beautifully maintained Seawatch neighborhood.Just a short drive to Marathon's restaurants, shops, and essentials--this is the ultimate blend of luxury, location, and lifestyle.

Beds:
n/a
Baths:
Sq.Ft.:
n/a
Status:
Active
MLS#:
R11080001
Type:
Land
Subdivision:
HARBOUR ISLAND AMD
Lot size:
0.26 Acres
A broker reciprocity listing Courtesy: Coldwell Banker Schmitt RE Co 305-743-5181
View additional info

ADDITIONAL INFORMATION

Build Your Dream Waterfront Home on Duck Key in the Florida KeysDevelopment Rights and Active Building Permit in Place to build now!Nestled in the heart of the Florida Keys, 421 Harbour Drive, Duck Key, is a stunning homesite offering breathtaking views of both the Atlantic Ocean and Gulf. Located on Harbour Drive - a street that feels like an island on an island - this property delivers unparalleled serenity while still being close to world-class amenities. Just moments away, you'll find the renowned Hawk's Cay Resort, offering fine dining and luxurious resort experiences, as well as the local HOA clubhouse with pool, tennis courts and pickleball. Skip the long permitting process and start building your coastal dream home today.

Beds:
n/a
Baths:
Sq.Ft.:
n/a
Status:
Active
MLS#:
A11770031
Type:
Land
Subdivision:
COCO PLUM BREEZE
Lot size:
0.23 Acres
Courtesy: Primary One Realty Jessica Issa 305-342-4573
View additional info

ADDITIONAL INFORMATION

READY TO BUILD YOUR DREAM HOME! Vacant lots are not buildable unless building rights are secured which can take years of waiting. This lot has the rights in place with an approved transferable building rights assigned to the property. Plans have been done by one of the best architects in town or bring your plans for approval. No waiting with this build ready location with Coco Plum Beach directly infront of your property. The land has unbuildable land in front which ensures no high rise will ever obstruct your view. Direct access to your private canal behind property. This wont last! Investors dreams with comps going to for 3-4 million. Call Today! 305-801-8656

Beds:
n/a
Baths:
Sq.Ft.:
n/a
Status:
Active
MLS#:
614052
Type:
Land
Subdivision:
Crains Sub (58.0)
Lot size:
10 Acres
Courtesy: Coldwell Banker Schmitt Real Estate Co. 305-743-5181
View additional info

ADDITIONAL INFORMATION

10-Acre Gulffront Estate Opportunity - Rare, Private, and Unmatched in Marathon!Welcome to 56185 Overseas Hwy, Marathon, FL 33050--an extraordinary 10-acre waterfront property offering sweeping open-water views of the Gulf of Mexico from both the east and west side of the parcel. With water on two sides, this unique positioning allows for both breathtaking sunrises and stunning sunsets, delivering an experience few properties can match.Bordered by a protected bird sanctuary and neighboring Curry Hammock State Park, the property enjoys approximately 90 acres of natural buffer, providing unmatched seclusion, serenity, and no highway directly behind you.A rare building right is already in place, giving you the opportunity to build a custom luxury estate or private retreat without delay. Allowing 7-day rentals, the property offers tremendous flexibility for both personal use and income potential.A concrete seawall lines the waterfront, offering solid shoreline protection and excellent boating potential. With direct Gulf access and wide-open views, it's a dream setting for boating enthusiasts and nature lovers alike.Conveniently located just minutes from Marathon International Airport, this property combines privacy, accessibility, and the natural beauty of the Florida Keys.Opportunities like this are few and far between--don't miss your chance to create a legacy estate in one of the Keys' most peaceful and pristine locations.

Beds:
n/a
Baths:
Sq.Ft.:
n/a
Status:
Active
MLS#:
613825
Type:
Land
Subdivision:
Coco Plum (54.6)
Lot size:
0.18 Acres
Courtesy: Coldwell Banker Schmitt Real Estate Co. 305-743-5181
View additional info

ADDITIONAL INFORMATION

Open water views. 7876 sq ft lot with Building Right and Dock Permit at 252 Pescayo Ave just off Coco Plum Dr in Marathon, Fl 3305089'+/-waterfrontage X 160' ave depth. Active Mangrove Fringe Clearing Permit.

Beds:
n/a
Baths:
Sq.Ft.:
n/a
Status:
Active
MLS#:
613692
Type:
Land
Subdivision:
Stirrup Key Sub (52.5)
Lot size:
0.26 Acres
Courtesy: Ocean Sotheby's International Realty 305-712-8888
View additional info

ADDITIONAL INFORMATION

Opportunity to own a contiguous Bay front buildable lot on the Florida Bay within an exclusive gated community in Stirrup Key, Marathon Florida Keys. Buyers to verify permit process or potential to create a ''tie in'' to the existing home on Lot 30. Possibilities are endless depending on your needs. Apply to build an accessory structure and purchase the bay home for a large family retreat. Add a pool and putting green to the single family home for more recreation. Tie in an accessory structure to the existing single family home on extra lot. Park your boat and launch your boat in the homeowner's park.

Beds:
n/a
Baths:
Sq.Ft.:
n/a
Status:
Active
MLS#:
A11728506
Type:
Land
Subdivision:
COCO PLUM BEACH
Lot size:
0.5 Acres
Courtesy: Cutler Realty, Inc. Nicole Black 786-402-7674
View additional info

ADDITIONAL INFORMATION

Rare opportunity to own a 21,808 sq ft oceanside lot directly overlooking the pristine shores of Coco Plum Beach in beautiful Marathon, Florida. This expansive parcel offers breathtaking unobstructed views and an unbeatable location for your dream coastal retreat. Wake up to breathtaking ocean views, salty breezes, and quiet serenity. The seller currently holds the right to build two units, with construction to begin within 6 months- seller is open to working out terms with the buyer, though the seller cannot perform the construction. Whether you’re planning a luxury duplex, vacation escape, or investment property, this lot provides endless potential in one of the Keys’ most sought-after communities. Don’t miss this rare chance to build steps from the beach with panoramic water views.

Beds:
n/a
Baths:
Sq.Ft.:
n/a
Status:
Active
MLS#:
613238
Type:
Land
Subdivision:
Seawatch (53.5)
Lot size:
13.2 Acres
Courtesy: Coldwell Banker Schmitt Real Estate Co. 305-743-5181
View additional info

ADDITIONAL INFORMATION

Discover unparalleled privacy and luxury on SeaWatch Island, a breathtaking 13.2-acre private island in the heart of the Florida Keys. This one-of-a-kind property offers a rare opportunity with building entitlement in hand to build a custom 9,500 sq. ft. estate. In addition to the main residence, the property allows for the construction of a stand-alone garage and pool house, offering ample space for vehicles, recreational amenities, and more.Boating enthusiasts, take note! The island is a true boater's paradise, featuring a protected marina with a concrete bulkhead and multiple deep-water slip configurations. Designed for big boat dockage, the marina accommodates Vikings, sportfishers, catamarans, and other large vessels. Whether you're a passionate yachtsman or a fishing aficionado, this property provides a safe, convenient harbor for your fleet. Inquire for more details on this unparalleled dockage opportunity.Fully equipped with a Development Agreement and Building Right, SeaWatch Island simplifies the process of creating your dream sanctuary. The island's concrete bridge ensures easy access while maintaining the ultimate seclusion.The property offers expansive open water views and immediate access to the Atlantic Ocean and Gulf of Mexico, placing world-class fishing, boating, and diving at your fingertips. For additional convenience, MARATHON International Airport is just a short distance away, ensuring seamless connectivity to the rest of the world.This private oasis is more than a property--it's an exceptional lifestyle. Don't miss the chance to build your legacy on SeaWatch Island, where luxury and tranquility come together like nowhere else.

Beds:
n/a
Baths:
Sq.Ft.:
n/a
Status:
Active
MLS#:
613017
Type:
Land
Subdivision:
Keys RV/Mobile Home Condominium (50.5)
Lot size:
0.02 Acres
Courtesy: Coastal Collection Real Estate Inc.
View additional info

ADDITIONAL INFORMATION

SUNRISE OCEAN VIEWS! Charming Key By the sea Buildable RV lot walking distance to all the amenities and waterfront common grounds. Ocean views from the front and privacy on the back side with full grown natural landscape. Have your coffee overlooking the incredible Sunrise views. Build your Keys Cottage when you are ready. Owner started selection process with builder they have a 901 sq ft 3 bed 2 bath to fit the property All utilities in place for easy hook up. Resort features boat ramp with direct ocean access, fish cleaning table, pavilions on the water with seating to view the gorgeous oceanfront, new club house, multiple laundry facilities, pet friendly, on site management. Make this your full time home, vacation spot or keep as an investment property. There are always events happening in the vibrant community of Marathon! Call today for more information! Seller Financing possible for the right buyer. Seller will consider all reasonable offers

Beds:
n/a
Baths:
Sq.Ft.:
n/a
Status:
Active
MLS#:
612992
Type:
Land
Subdivision:
Grassy Key (58.9)
Lot size:
0.17 Acres
Courtesy: Keller Williams Key West Compass Realty 305-292-0020
View additional info

ADDITIONAL INFORMATION

You cannot build on this lot. This lot has been given 2 BPASS points. To use in the City of Marathon. This lot is environmentally sensitive. Unbuildable.

Beds:
n/a
Baths:
Sq.Ft.:
n/a
Status:
Active
MLS#:
612977
Type:
Land
Subdivision:
Sea Crest Heights (52.0)
Lot size:
0.19 Acres
Courtesy: Keller Williams Key West Compass Realty 305-292-0020
View additional info

ADDITIONAL INFORMATION

1 buildable right. Seller Financing Available! Previously a 3-bedroom, and 2 bath home. This is a Recently cleared lot. TBR in Document file. On site utilities. This lot is zoned as both mobile and residential. Disclosure. Selling agent has personal interest. **The title certificate work was done by Clear to Sell and paid by the owner and received on 3/6/2023. Certificate in Documents

Beds:
n/a
Baths:
Sq.Ft.:
n/a
Status:
Active
MLS#:
610843
Type:
Land
Subdivision:
Gulfstream Shore (Marathon) (52.0)
Lot size:
0.15 Acres
Courtesy: Coldwell Banker Schmitt Real Estate Co. 305-743-5181
View additional info

ADDITIONAL INFORMATION

Waterfront lot is cleared and ready for construction, complete with Transferable Building Rights (TBR), house plans, and dock plans. Located on the picturesque 89th Street in Marathon, Florida, this waterfront lot spans 6,440 square feet and measures 70 feet wide by 92 feet deep. Boasting 70 feet of prime water frontage and a 45-foot-wide canal that leads directly to open water, this property offers a 4-foot control depth, ensuring easy water access. As soon as you reach the end of the canal, you can plane out effortlessly. Weekly rentals are permitted, making this an ideal investment for generating rental income. Imagine building your dream home with a customizable layout, ample storage options, and your choice of colors and materials. New construction offers numerous advantages, including easier maintenance, cheaper insurance, and no worries about illegal enclosures. This property presents a significant equity potential, providing a profitable margin for flippers and better numbers for vacation rentals. You can build to withstand 180 MPH winds, above flood levels, and without the need for shutters. Additionally, solar programs are available for those interested in off-grid living. Investing in this property not only offers a substantial profit margin but also provides a valuable learning experience for future real estate ventures. Don't miss this rare opportunity to own a prime piece of waterfront property in Marathon, Florida. Contact us today to learn more and start building your dream home or investment property!

Beds:
n/a
Baths:
Sq.Ft.:
n/a
Status:
Active
MLS#:
610353
Type:
Land
Subdivision:
Lida Sub (51.5)
Lot size:
0.27 Acres
Courtesy: Key Colony Beach Realty 305-289-0621
View additional info

ADDITIONAL INFORMATION

Direct Oceanfront lot with 120 feet of concrete seawall. Total of 153 feet of ocean frontage with cut in boat slip. Building right in place. NO TBR or BPAS (ROGO) needed to start building (this saves you time and money). End of street right-a-way deed conveys with the property. Huge lot: oceanfront concrete dock 120' plus additional 33' of oceanfront for the end of street right-a-way - Street 75' - Side: 133' - Back: 125.' Cleared and ready to build now. Lot is graveled, silver buttonwood hedge, partially fenced. You can see Key Colony to the East and Sombrero to the west with unobstructed ocean views. Glorious sunrise and sunsets! Listing agent is the owner. Call me directly with any questions.

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26–38 of 38 properties displayed
Andrea D. Conner, License # BK3437731, Xome Inc., License CQ1043756, [email protected], 844-400-XOME, 750 State Highway 121 Bypass, Suite 100, Lewisville, TX 75067

The data relating to the real estate for sale on this web site comes in part from the Internet Data Exchange Program of the Florida Keys Board of Realtors® Florida Keys MLS, Inc. Real Estate listings held by brokerage firms other than the owner of this site are marked with the MLS logo and detailed information about them includes the name of the listing broker's office. Information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that data is deemed reliable but is not guaranteed accurate.


Andrea D. Conner, License # BK3437731, Xome Inc., License CQ1043756, [email protected], 844-400-XOME, 750 State Highway 121 Bypass, Suite 100, Lewisville, TX 75067

All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright © 2026 BeachesMLS, Inc.


Andrea D. Conner, License # BK3437731, Xome Inc., License CQ1043756, [email protected], 844-400-XOME, 750 State Highway 121 Bypass, Suite 100, Lewisville, TX 75067

The information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Use of search facilities of data on the site, other than a consumer looking to purchase real estate, is prohibited. © 2026 MIAMI Association of REALTORS®, all rights reserved.




Marathon Real Estate

Marathon is located in Florida. Marathon, Florida has a population of 9,622. Marathon is more family-centric than the surrounding county with 21.39% of the households containing married families with children. The county average for households married with children is 20.65%.

The median household income in Marathon, Florida is $63,375. The median household income for the surrounding county is $73,153 compared to the national median of $69,021. The median age of people living in Marathon is 48.9 years.

Marathon Weather

The average high temperature in July is 90 degrees, with an average low temperature in January of 62.8 degrees. The average rainfall is approximately 45.1 inches per year, with 0 inches of snow per year.

Marathon Map

Marathon Real Estate Market Conditions

  • Median sales price

    $877,000
    26.6%
    change since last quarter
  • # Active listings

    322
    30-day change

Marathon Schools and Demographics

Education near Marathon, FL

City County
High School Graduates 88.85 92.07
College Degree - 2 year 7.84 7.93
College Degree - 4 year 29.2 35.69
Graduate Degree 6.63 9.88
Expenditures per Student 20,907 20,907
Students per Teacher 14.7 14.7

Elementary Schools near Marathon, FL

Grades Students P/T Ratio ZIP
Gerald Adams Elementary School PK - 05 544 13.3 33040
Horace O'Bryant School PK - 08 1,059 14.3 33040
Key West Montessori Charter School KG - 08 149 16.6 33040
Monroe Virtual Instruction Program (District Provided) KG - 05 6 33040
Ocean Studies Charter KG - 05 104 11.2 33070
Plantation Key School PK - 08 435 12.8 33070
Poinciana Elementary School PK - 05 663 15.1 33040
Sigsbee Charter School KG - 08 478 17.1 33040
Stanley Switlik Elementary School PK - 05 566 14.2 33050
Sugarloaf School PK - 08 526 15 33042
Treasure Village Montessori Charter School PK - 08 213 14.2 33036

Middle Schools near Marathon, FL

Grades Students P/T Ratio ZIP
Glynn Archer Elementary School PK - 05 394 15.8 33040

High Schools near Marathon, FL

Grades Students P/T Ratio ZIP
Coral Shores High School 09 - 12 733 17.4 33070
Key West Collegiate School 09 - 12 78 15.3 33040
Key West High School 09 - 12 1,193 16.8 33040

Ungraded Schools near Marathon, FL

Grades Students P/T Ratio ZIP
* Keys Center 08 - 12 11 11 33040
Academic Connections for Excellence 06 - 12 11 33040
Adult/Vocational/Community Education AE - AE 0 33040
Marathon School 06 - 12 667 18.5 33050
Monroe Virtual Academy (Course Offerings) 06 - 12 0 33040
Monroe Virtual Franchise 06 - 12 4 33040
Monroe Virtual Instruction Program KG - 12 0 33040

Demographics near Marathon, FL

City County
Neighborhood Type Small town
Population 9,622 82,244
Population Density 1,139 84
Median Age 48.9 48
People per Household 2.4 2.4
Median Household Income 63,375 73,153
Average Income per Capita 44,489 50,050

Real estate near Marathon