New Construction Homes in Marathon, FL

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  $4,900,000 Lot/Land

  Unlisted Address

  • 3.69 Acres
  • $1,327,388 per Acre

  Unlock the full potential of the Florida Keys commercial market with this offering of a rare combined set of parcels including Lot 2 & Lot 3 on Overseas Highway, and an additional parcel of ~3.0 acres of submerged bay bottom located in the heart of Marathon. These adjacent parcels and bay bottom present a unique opportunity for developers, investors, or end-users seeking high-traffic frontage,

  Stephany Duvall Engel & Volkers Marathon

  Unlisted Address
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  /9

  $295,000 Lot/Land

  0 Calle Limon, Marathon, FL 33050

  Calle Limon, Lot 25 is located in the wonderful community that's within walking distance to the beautiful and popular Sombrero Beach. Perfect spot for your family's dream home close to restaurants, schools, hospital, shopping, recreation, water sports and so much more. Seller will consider all reasonable offers.

  Alicia Lund, P.A. Berkshire Hathaway HomeServices Keys Real Estate - Lower Keys

  0 Calle Limon, Marathon, FL 33050
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  /17

  $465,000 Lot/Land

  300 Coco Plum Dr, Marathon, FL 33050

  • 0.5 Acre
  • $926,849 per Acre

  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

  Nicole Black Cutler Realty, Inc.

  300 Coco Plum Dr, Marathon, FL 33050
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  /30

  $247,500 Lot/Land

  6099 Overseas Hwy Unit 111E, Marathon, FL 33050

  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

  Heather Mason Coastal Collection Real Estate Inc.

  6099 Overseas Hwy Unit 111E, Marathon, FL 33050
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  /8

  $365,000 Lot/Land

  934 68th Street Ocean, Marathon, FL 33050

  Rare buildable lot with building rights in central Marathon! Large parcel adjoining 963 69th Street (MLS #615883). Perfect for future expansion, new build, or combined purchase with the neighboring single-family home. Seller will offer a discounted combined price of $850,000 if both properties are purchased together. Great investment or family compound opportunity!

  Roger Cousineau Keller Williams Key West Compass Realty

  934 68th Street Ocean, Marathon, FL 33050
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  /6

  $2,390,000 Lot/Land

  88 Tingler Ln, Marathon, FL 33050

  • 0.74 Acre
  • $3,210,745 per Acre

  Fast track your way to receiving a building permit for the home of your dreams. A stunning opportunity to build exactly what you envision for this beautiful ocean front lot, completely cleared and filled to grade. Preexisting home has been removed, thus allowing for a super fast permitting process. once your architectural plans have been submitted you could be breaking ground in two to three

  Ginger Henderson Coldwell Banker Schmitt Real Estate Co.

  88 Tingler Ln, Marathon, FL 33050
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  /11

  $9,999,999 Lot/Land

  0 Gulf of Mexico Blvd Unit 613238, Marathon, FL 33050

  • 13.2 Acres
  • $757,576 per Acre

  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

  Sam Williams Coldwell Banker Schmitt Real Estate Co.

  0 Gulf of Mexico Blvd Unit 613238, Marathon, FL 33050
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  /16

  $1,900,000 Lot/Land

  1235 83rd Street Ocean, Marathon, FL 33050

  • 0.27 Acre
  • $6,920,067 per Acre

  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'

  Judy Cinque Key Colony Beach Realty

  1235 83rd Street Ocean, Marathon, FL 33050
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  /8

  $275,000 Lot/Land

  Overseas Highway Over Hwy, Marathon, FL 33050

  • 0.34 Acre
  • $808,824 per Acre

  OCEANFRONT LOT ZONED "MU" (MIXED USE) 1/3 ACRES "BUILDABLE" PER MARATHON CITY MANAGER, ZONED "MU allows for a combination of residential, commercial, and retail activities, including those related to commercial fishing..". Senate Bill passed in 2025 adding 185 permits for Marathon!! see picture for information.BUYER CAN REQUEST MARATHON TO ABANDON A PORTION OF THE RIGHT OF WAY TO INCREASE THE

  Carmen David Xcellence Realty

  Overseas Highway Over Hwy, Marathon, FL 33050
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  /4

  $120,000 Lot/Land

  0 Plum Dr Unit R11096053, Marathon, FL 33050

  • 0.19 Acre
  • $631,579 per Acre

  Unbuildable Lot in Marathon - No Development Rights.This parcel has no ROGO points and cannot be developed. Ideal for conservation, mitigation banking, or long-term investment. No utilities or access to permits. Sold as-is. Cash only. Buyer to verify all information with Monroe County.

  Andre Rivera LPT Realty, LLC

  0 Plum Dr Unit R11096053, Marathon, FL 33050
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  /6

  $29,000 Lot/Land

  0 Lan Orange Ave Unit A11884515, Marathon, FL 33050

  • 0.17 Acre
  • $168,605 per Acre

  Quiet Neighborhood in Grassy Key with utilities at the road. Buy this lot now for a great investment once the building permits resume issuance at a normal rate. Senate Bill passed in 2025 adding 185 permits for Marathon!! see picture for more information. It is believed to be unbuildable and price has been reduced to reflect this. Take advantage of this lull in the market and reserve your dream

  Carmen David Xcellence Realty

  0 Lan Orange Ave Unit A11884515, Marathon, FL 33050
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  /18

  $875,000 Lot/Land

  120 Pirates Cove Dr, Marathon, FL 33050

  • 0.26 Acre
  • $3,391,014 per Acre

  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

  TEAM Walters Gloria, Rachel and Michae Ocean Sotheby's International Realty

  120 Pirates Cove Dr, Marathon, FL 33050
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  $400,000 Lot/Land

  495 91st St, Marathon, FL 33050

  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

  Jenny Murphy Keller Williams Key West Compass Realty

  495 91st St, Marathon, FL 33050
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  /10

  $1,975,000 Lot/Land

  8 41st Street Gulf, Marathon, FL 33050

  • 0.09 Acre
  • $21,944,444 per Acre

  Vacant Bay Side Lot with Dock Slip - Marathon, FL Build your dream home inthe heart of the Florida Keys! This vacant lot on the bay side offers a rare opportunity to create your owntropical retreat. Enjoy direct access to the water with an assigned boat dock slip—perfect for boating,fishing, and soaking in stunning Keys sunsets. Located in a desirable Marathon community, this

  Cody Tremblay Blue Water RE LLC

  8 41st Street Gulf, Marathon, FL 33050
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  /20

  $799,000 Lot/Land

  0 Vacant Land 89th St Unit 610843, Marathon, FL 33050

  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

  Sam Williams Coldwell Banker Schmitt Real Estate Co.

  0 Vacant Land 89th St Unit 610843, Marathon, FL 33050
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  /10

  $620,000 Lot/Land

  0 Santa Barbara, Marathon, FL 33050

  • 0.41 Acre
  • $1,519,608 per Acre

  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

  Anabelkis Sanchez Miami Premier Realty

  0 Santa Barbara, Marathon, FL 33050
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  /8

  $2,650,000 Lot/Land

  790 10th St, Key Colony Beach, FL 33051

  One of the last two duplex zoned, canal front, lots. New seawall in 2022. Building permits are quick in Key Colony Beach. Have your building plans reviewed and approved by the City and you are good to go.Seller / Developer will consider building as per his plans with a Pre-Construction agreement for one side of the duplex building at $1,950,000. Plans for each half duplex to be approximately

  Steve Smith Key Colony Beach Realty

  790 10th St, Key Colony Beach, FL 33051
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  /19

  $949,000 Lot/Land

  9701 Gulf of Mexico Blvd Unit Lot 4, Marathon, FL 33050

  • 0.3 Acre
  • $3,155,606 per Acre

  Large lot with building right and protected boat basin with deed, deep water, doc, quick access to the Ocean and Gulf. Open water views will be had in three directions. Gated community with no transient rentals around it. Privacy in exclusivity can be found here.

  Sam Williams Coldwell Banker Schmitt Real Estate Co.

  9701 Gulf of Mexico Blvd Unit Lot 4, Marathon, FL 33050
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  /15

  $399,000 Lot/Land

  98 Stirrup Key Blvd, Marathon, FL 33050

  • 0.27 Acre
  • $1,498,314 per Acre

  Build your dream home on this exceptional 11,600 sq. ft. bayfront lot in the prestigious, gated community of Stirrup Key. Offering open water views, this parcel provides the perfect canvas for a custom residence designed to capture the beauty of the Florida Keys lifestyle.With ample space for your ideal floor plan, this deed-restricted community ensures a neighborhood of high-quality homes while

  Sam Williams Coldwell Banker Schmitt Real Estate Co.

  98 Stirrup Key Blvd, Marathon, FL 33050
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  $1,975,000 Lot/Land

  990 41st Street Gulf Unit 7, Marathon, FL 33050

  Vacant Bay Side Lot with Dock Slip - Marathon, FL Build your dream home inthe heart of the Florida Keys! This vacant lot on the bay side offers a rare opportunity to create your owntropical retreat. Enjoy direct access to the water with an assigned boat dock slip--perfect for boating,fishing, and soaking in stunning Keys sunsets. Located in a desirable Marathon community, this propertycombines

  Matthew Roy Waterfront Keys Realty Inc.

  990 41st Street Gulf Unit 7, Marathon, FL 33050
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  /2

  $600,000 Lot/Land

  64 Pelican Rd, Marathon, FL 33050

  • 0.83 Acre
  • $722,888 per Acre

  A rare opportunity to own over an acre of private Gulf-front land on beautiful Grassy Key. This lush, wooded parcel features approx. 140 ft. of open-water frontage framing breathtaking sunset panoramas across the Gulf of Mexico. Enjoy immediate access to some of the Florida Keys' most renowned reefs for fishing, diving, and snorkeling.

  Andree Riley LoKation Real Estate

  64 Pelican Rd, Marathon, FL 33050
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  /2

  $15,900 Lot/Land

  0 Lot 1 Cruton Ave, Marathon, FL 33050

  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.

  Jenny Murphy Keller Williams Key West Compass Realty

  0 Lot 1 Cruton Ave, Marathon, FL 33050
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  $1,499,000 Lot/Land

  1 Trinidad St, Marathon, FL 33050

  • 1.34 Acres
  • $1,119,048 per Acre

  Discover a rare opportunity in the heart of Duck Key at 1 Trinidad Street -- a premier parcel spanning over an acre in one of the most desirable neighborhoods in the Florida Keys. This exceptional property offers remarkable potential for new construction, redevelopment, or long-term investment.With its generous size, privacy, and prime location directly across from the Duck Key Clubhouse -- and

  Sam Williams Coldwell Banker Schmitt Real Estate Co.

  1 Trinidad St, Marathon, FL 33050
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  /3

  $1,395,000 Lot/Land

  252 Pescayo Ave, Marathon, FL 33050

  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.

  Brian Schmitt Coldwell Banker Schmitt Real Estate Co. (KW)

  252 Pescayo Ave, Marathon, FL 33050
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  $1,499,000 Lot/Land

  Lot 3 Overseas Highway Seawatch, Marathon, FL 33050

  • 0.3 Acre
  • $4,946,700 per Acre

  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,

  Sam Williams Coldwell Banker Schmitt Real Estate Co.

  Lot 3 Overseas Highway Seawatch, Marathon, FL 33050
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  /18

  $465,000 Lot/Land

  300 Coco Plum Dr, Marathon, FL 33050

  • 0.5 Acre
  • $928,806 per Acre

  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

  Nicole Black Cutler Realty

  300 Coco Plum Dr, Marathon, FL 33050
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  /2

  $2,000,000 Lot/Land

  1 Boot Key Rd, Marathon, FL 33050

  • 9 Acres
  • $222,222 per Acre

  This rare 9-acre waterfront parcel is located on secluded Boot Key, a largely undeveloped island within the city limits of Marathon in the heart of the Florida Keys. Accessible only by boat since the drawbridge connection to Vaca Key was removed in 2010, the property offers privacy, natural beauty, and exceptional potential. Zoned mixed use, it includes 25 existing docks, a building and radio

  Lisa Miller One Sotheby's International Realty

  1 Boot Key Rd, Marathon, FL 33050
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  /16

  $245,000 Lot/Land

  0 122nd Street Gulf Unit 616854, Marathon, FL 33050

  Excellent opportunity to build your dream home in the Florida Keys. This vacant lot on 122nd Street Gulf includes one Transferable Building Right (TBR), offering exceptional value and flexibility for future development. The lot measures approximately 52.5 feet wide by 60 feet deep and is located directly across from Martin Luther Church. Enjoy open-water views from future construction and

  Sam Williams Coldwell Banker Schmitt Real Estate Co.

  0 122nd Street Gulf Unit 616854, Marathon, FL 33050
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  /15

  $2,200,000 Lot/Land

  0 S Windy Point Cir Unit Lot 78, Marathon, FL 33050

  • 0.88 Acre
  • $2,499,987 per Acre

  An incredible opportunity awaits to create your own direct open water Gulfside dream home on this spacious 38,333 square foot buildable lot in the exclusive, gated community of Stirrup Key in Marathon. This private enclave is one of the Middle Keys' most desirable addresses, known for its large estate lots, stunning open-water views, and secure, peaceful setting. Enjoy over 300 feet of pristine

  Ally Kelley Ocean Sotheby's International

  0 S Windy Point Cir Unit Lot 78, Marathon, FL 33050
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  /16

  $1,975,000 Lot/Land

  990 41st Street Gulf Unit 8, Marathon, FL 33050

  Vacant Bay Side Lot with Dock Slip - Marathon, FLBuild your dream home in the heart of the Florida Keys! This vacant lot on the bay side offers a rare opportunity to create your own tropical retreat. Enjoy direct access to the water with an assigned boat dock slip--perfect for boating, fishing, and soaking in stunning Keys sunsets.Located in a desirable Marathon community, this property combines

  Matthew Roy Waterfront Keys Realty Inc.

  990 41st Street Gulf Unit 8, Marathon, FL 33050
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  /2

  $595,000 Lot/Land

  625 73rd Street Ocean, Marathon, FL 33050

  Lot & 2 Market Rate Building Rights. Determination Letter in Documents. All Offers Considered. Centrally located in Marathon, FL. Multi-Family, Zoned RH-Residential High. Lot size 75x120 or 9,000 sf. Rent the current building until ready to build. Price is based on a buildable duplex lot with 2 market-rate building rights. Live in one side and rent the other side (use income to qualify the loan).

  Gidget Jackson Nicklaus Vance

  625 73rd Street Ocean, Marathon, FL 33050
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  /18

  $3,599,000 Lot/Land

  14 125th Street Gulf, Marathon, FL 33050

  • 1.72 Acres
  • $2,092,442 per Acre

  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

  Ewa Schwarz LoKation

  14 125th Street Gulf, Marathon, FL 33050
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  $215,000 Lot/Land

  34 72nd Street Ocean, Marathon, FL 33050

  Are you searching for a quiet, safe, and affordable place to park your RV or dreaming of building a cozy cottage near the ocean, with OPEN WATER views just steps away? Look no further than this clean and cleared 30' x 50' lot in Trailer Ranch By The Sea. Lot #34 is located just a few spaces from the oceanfront community park/beach & observation/fishing dock, offering the perfect spot to relax,

  Monica Barrett Coldwell Banker Schmitt Real Estate Co.

  34 72nd Street Ocean, Marathon, FL 33050

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