Huge buildable vacant lot in desirable Flamingo Island neighborhood near Sombrero Country Club WHITH DEVELOPMENT APPROVAL !!! The lot is 17,790 sf and conveys with an approved house plans. The beautiful Sombrero Beach is just minutes away. Marathon is perfectly located in the heart of the keys with incredible restaurants, local shopping and every water activity imaginable. In addition, is one of the most populated city in the Florida Keys and is considerated the cultural center of the Keys. It includes some luxuries of city life such as a golf course. Close to essential stores, bars and much more. Buy now and build your dream home !!!
RARE 100' of waterfront re-development opportunity w/ DEEP WATER DOCKAGE APPROVED! 200' HIGHWAY FRONTAGE! Huge 74,890 SQ FT site with ACTIVE Conditional Use PERMIT for 10 unit & 4 affordable staff group home units. No TDR's required for pure commercial use! 6 TDR's available, plus more. MIXED USE ZONING - many commercial-residential possibilities, e.g.: up to 10 market rate units, higher density w/ affordable housing, or boutique HOTEL if you bring transient rights, etc. Includes a versatile 2 story raised CBS 6,128 SQ FT building, plus 2,340 SQ FT of outdoor porches. Near Vaca Cut for easy Ocean-Bay access, near airport, SHORT-TERM RENTALS! Contact Peter for info and tour of this amazing opportunity. THE KEYS LIFESTYLE - live, work, business, family compound - do it all right here!
Stunning Open Water Views in the Exclusive Seawatch Community - Lot 3 + Boat Slip BU5 Overseas Highway, Marathon, FL 33050 A 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.
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.
RARE 100' of waterfront re-development opportunity with DEEP WATER DOCKAGE APPROVED! 200' HIGHWAY FRONTAGE! Huge 74,890 SQ FT site with an approved Conditional Use PERMIT for 10 unit and 4 affordable staff group home units. 6 TBR's are available to add on, more are available. No TDR's required for pure commercial use! MIXED USE ZONING has many commercial-residential possibilities...for example: could go to 10 market rate units on site, or higher density with affordable housing, or boutique HOTEL if you bring transient rights, etc. Includes a RECERTIFIED two-story raised CBS 6,128 SQ FT building that could be used in so many different ways, includes 2,340 SQ FT of extra outdoor porches. BEST LOCATION near Vaca Cut for easy Ocean-Bay access, easy airport access, SHORT-TERM RENTAL FRIENDLY! Contact Peter and Ewa Schwarz for more info and a private viewing of this amazing opportunity to get into THE KEYS LIFESTYLE...live, work, business, family compound...you can do it all right here on the water!
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.
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 33050 89'+/-waterfrontage X 160' ave depth. Active Mangrove Fringe Clearing Permit.
INVESTORS! 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.
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.
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.
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
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.
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
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.
Three (3) vacant lots commonly called ROGOo lots for use in the BPAS process. Lots are worth two (2) points each if dedicated as part of BPAS allocation. Letters from City of Marathon designating lots as BPAS (ROGO) lots on file with Listing Agent.

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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.
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.