New Construction Homes in Marathon, FL

• 

  

  

  /49

  $3,200,000 Custom Home

  835 Copa D Oro, Marathon, FL 33050

  • 4 Beds
  • 4 Baths
  • 2,472 Sq Ft

  Experience luxury waterfront living in this custom-built, new construction two-story concrete home featuring 4 bedrooms and 4 private en-suite baths. Designed for entertaining, the open-concept layout seamlessly blends indoor and outdoor living. The chef's kitchen boasts top-of-the-line stainless steel appliances including double convection ovens, Smart refrigerator, dishwasher, vented range

  Alyson Bainbridge Coldwell Banker Schmitt Real Estate Co.

  835 Copa D Oro, Marathon, FL 33050
• 

  

  

  /55

  $3,475,000 Custom Home

  990 41st Street Gulf Unit 10, Marathon, FL 33050

  • 5 Beds
  • 5.5 Baths
  • 4,191 Sq Ft

  Luxury 5-Bedroom Waterfront Home in the Florida Keys Welcome to yourdream retreat in Marathon, Florida! This stunning 5-bedroom, 5.5-bath residence sits on the desirablebay side, offering breathtaking water views and endless sunsets. Perfectly designed for comfort andentertaining, the home features an open-concept living space, gourmet kitchen, and spacious bedroomswith en-suite baths for

  William Braden Century 21 Circle

  990 41st Street Gulf Unit 10, Marathon, FL 33050
• 

  

  

  /39

  $3,100,000 Custom Home

  59720 Overseas Hwy Unit 9, Marathon, FL 33050

  • 5 Beds
  • 4.5 Baths
  • 3,013 Sq Ft

  MOVE-IN AND RENTAL READY! SeaGlass Cove is a brand-new luxury, gated island community located in the heart of the Florida Keys; adjacent to Duck Key. A rare find of just 14 new construction residences offering direct Atlantic Ocean views, a resort-style pool, pickleball court, and a sandy beach with the flexibility of a weekly rental. The first floor offers a private two-car garage and covered

  Sabrina Acevedo Internet Realty of the Florida Keys Inc

  59720 Overseas Hwy Unit 9, Marathon, FL 33050
• 

  

  

  /20

  $2,900,000 Custom Home

  8700 Overseas Hwy Unit Lot 5, Marathon, FL 33050

  • 4 Beds
  • 3.5 Baths
  • 2,643 Sq Ft

  Offering a rare pre-construction opportunity at Seaward Pointe; this community embodies the timeless and transformative nature of the sea, manifested across 8 luxury oceanfront villas, pristinely located in Marathon, the heart of the Florida Keys. Seaward Pointe isn't just a residence; it's a launchpad for extraordinary experiences. With private boat docks for each villa and direct access to the

  Jo Ann Cook Ocean Sotheby's International

  8700 Overseas Hwy Unit Lot 5, Marathon, FL 33050
• 

  

  

  /40

  $719,000 Condo Unit

  10877 Overseas Hwy Unit 81, Marathon, FL 33050

  • 1 Bed
  • 1.5 Baths
  • 850 Sq Ft

  This oceanfront residence offers breathtaking, unobstructed ocean views. Fully furnished with brand-new decor, the unit is truly move-in ready.The first level features an open-concept living and kitchen area, along with a half bath. Upstairs, the ocean-view bedroom includes a second full bathroom. Private balconies on both levels provide the perfect setting to relax while enjoying spectacular

  Brenda Thomas Weichert Realtors Hallmark Properties

  10877 Overseas Hwy Unit 81, Marathon, FL 33050
• 

  

  /40

  $29,500,000 Custom Home

  57783 Morton St, Marathon, FL 33050

  • 10 Beds
  • 13 Baths
  • 8,648 Sq Ft

  A Private Waterfront Estate at The Edge of the Gulf of America. Set on 3 secluded acres+/- along one of the mostprotected stretches of the Gulf of America, 57783 Morton Street is a newly completed estate of rare scale, privacy,and modern coastal design. Surrounded by water, sandscape, and tidal ponds alive with marine life, the propertyoffers more than 200’+/- of direct water frontage

  Brett Harris Bespoke Real Estate Florida LLC

  57783 Morton St, Marathon, FL 33050
• 

  

  /22

  $2,425,000 Custom Home

  818 39th St, Marathon, FL 33050

  • 5 Beds
  • 4 Baths
  • 2,298 Sq Ft

  🏡 Welcome to Emerald Flats a Waterfront Community in the heart of Marathon!Your brand-new dream home is here:✨ Gated community entryway ✨ Gulf front water views and private boat docking. ✨ Built for efficiency and comfort there are 5 Bedrooms | 4 Bathrooms - space for everyone✨ High ceilings & open floor plan for a modern feel✨ KitchenAid stainless

  Brian Schmitt Coldwell Banker Schmitt Real Estate Co.

  818 39th St, Marathon, FL 33050
• 

  

  /4

  $4,599,000 Lot/Land

  88 Tingler Ln, Marathon, FL 33050

  • 1.57 Acres
  • $2,929,299 per Acre

  Seize Your Dream with Fast-Tracked Building Permits!** Unlock the potential to construct your ideal oceanfront retreat on this exceptional estate-sized lot. This stunning 1.5-acre parcel is completely cleared and filled to grade, allowing for an expedited permitting process. With the preexisting home already removed, you can start building in just two to three months after submitting your

  Ginger Henderson Coldwell Banker Schmitt Real Estate Co.

  88 Tingler Ln, Marathon, FL 33050
• 

  

  /9

  $275,000 Lot/Land

  0 Calle Limon, Marathon, FL 33050

  • 7,125 Sq Ft
  • $1,681,263 per Acre

  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
• 

  

  /31

  $300,000 Lot/Land

  6099 Overseas Hwy Unit 42E, Marathon, FL 33050

  • 1,306 Sq Ft
  • $10,000,000 per Acre

  Waterfront, buildable RV lot in Key By the Sea in the heart of Marathon! Enjoy 28' of water frontage with quick, direct ocean access. This lot has a screened-in porch area, a storage room, and plenty of dock space to relax and fish. A building right and the fifth-wheel currently on the site convey with this sale. This is a great buy for those looking for a slip - at this comparable price, why buy

  Laurie Keiling Engel & Volkers Marathon

  6099 Overseas Hwy Unit 42E, Marathon, FL 33050
• 

  

  /17

  $405,000 Lot/Land

  300 Coco Plum Dr, Marathon, FL 33050

  • 21,854 Sq Ft
  • $807,255 per Acre

  Rare opportunity to own an oversized half-acre (21,808 SF) dry lot in the highly desirable Coco Plum neighborhood of Marathon. Ideally located directly across from Coco Plum Beach, this oversized parcel offers beautiful ocean views and endless possibilities in one of the Florida Keys’ most sought-after locations. Enjoy easy access to the beach, boating, fishing, dining, and all that Marathon has

  Nicole Black Cutler Realty, Inc.

  300 Coco Plum Dr, Marathon, FL 33050
• 

  

  /18

  $679,000 Lot/Land

  1021 27th Street Ocean, Marathon, FL 33050

  • 3,920 Sq Ft
  • $7,544,444 per Acre

  Premium Waterfront Lot includes a building right/TBR - READY TO BUILD no waiting, INCLUDES 2 SETS OF HOUSE PLANS, The VACANT LAND PRICE is 679,000. Alternatively, you can choose to have the Seller coordinate the New Construction Project already planned to begin in 2026 at a completed price of 2,795,000. Breathtaking Views with Deep Water Protected 50 Ft Dockage! Discover your dream home in

  Daniel Cloud Water Vista Realty, Inc.

  1021 27th Street Ocean, Marathon, FL 33050
• 

  

  /30

  $225,000 Lot/Land

  6099 Overseas Hwy Unit 111E, Marathon, FL 33050

  • 871 Sq Ft
  • $11,250,000 per Acre

  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
• 

  

  /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
• 

  

  /13

  $199,000 Lot/Land

  0 Avenue M, Marathon, FL 33050

  • 12,196 Sq Ft
  • $710,714 per Acre

  This is a property for someone thinking about the future, not just today. The lot measures 110' x 110' (just over a quarter acre), is cleared, and sits on a 100-foot-wide, boatable canal with quick access to open water. It's directly across from Cocoplum Beach, giving it a quiet, natural setting that's hard to find. You'll notice there are already homes on this street, including next door, and

  Sam Williams Coldwell Banker Schmitt Real Estate Co.

  0 Avenue M, Marathon, FL 33050
• 

  

  /16

  $1,900,000 Lot/Land

  1235 83rd Street Ocean, Marathon, FL 33050

  • 11,960 Sq Ft
  • $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
• 

  

  /28

  $415,000 Lot/Land

  143 S Indies Dr, Marathon, FL 33050

  • 9,579 Sq Ft
  • $1,886,994 per Acre

  This property includes a transferable development right (TBR) that is already secured to the lot, making it ROGO-exempt and ready to build today. Even better, the TBR does not expire, giving you the flexibility to build now or hold the property and build later with no time pressure. Situated on a spacious corner lot on a desirable street, the property is located just one block from Club Duck Key,

  AJ Vetter Palm House Real Estate

  143 S Indies Dr, Marathon, FL 33050
• 

  

  /6

  $2,390,000 Lot/Land

  88 A Tingler Ln, Marathon, FL 33050

  • 32,234 Sq Ft
  • $3,229,730 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 A Tingler Ln, Marathon, FL 33050
• 

  

  /10

  $1,975,000 Lot/Land

  8 41st Street Gulf, Marathon, FL 33050

  • 3,920 Sq Ft
  • $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
• 

  

  /6

  $146,000 Lot/Land

  Lot 70 5th Avenue Ocean, Marathon, FL 33050

  • 2,744 Sq Ft
  • $2,317,460 per Acre

  Cleared and Vacant Lot located in the desirable neighborhood of Little Venice AND IN THE ONLY QUALIFIED FEDERAL ECONOMIC OPPORTUNITY ZONE in the FL Keys! Come build your dream home in paradise with possible Ocean views with a stilted home. No need to worry about biological surveys or clearing permits, and the yard is already graveled. Sewer Hook Up ready on street. Adjacent home is also available

  Howard & Lily Leitner Jason Mitchell Real Estate Flo

  Lot 70 5th Avenue Ocean, Marathon, FL 33050
• 

  

  /10

  $620,000 Lot/Land

  0 Santa Barbara, Marathon, FL 33050

  • 17,772 Sq Ft
  • $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
• 

  

  /8

  $2,650,000 Lot/Land

  790 10th St, Key Colony Beach, FL 33051

  • 8,249 Sq Ft
  • $13,992,000 per Acre

  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 $2,350,000. Plans for each half duplex to be approximately

  Steve Smith, P.A. Ocean Sotheby's International

  790 10th St, Key Colony Beach, FL 33051
• 

  

  /20

  $685,000 Lot/Land

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

  • 13,068 Sq Ft
  • $2,283,333 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
• 

  

  /15

  $350,000 Lot/Land

  313 Stirrup Key Blvd, Marathon, FL 33050

  • 11,761 Sq Ft
  • $1,296,296 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.

  313 Stirrup Key Blvd, Marathon, FL 33050
• 

  

  /14

  $1,975,000 Lot/Land

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

  • 4,032 Sq Ft
  • $21,337,054 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 propertycombines

  William Braden Century 21 Circle

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

  

  /11

  $1,399,000 Lot/Land

  1 Trinidad St, Marathon, FL 33050

  • 1.34 Acres
  • $1,044,395 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
• 

  

  /6

  $245,000 Lot/Land

  319 Tuskegee St, Marathon, FL 33050

  • 2,613 Sq Ft
  • $4,083,333 per Acre

  Seller Financing Available -- Prime Corner Lot with water views, in MarathonThis vacant, cleared corner lot sits in one of Marathon's most convenient and high-visibility locations. Directly across from Racetrac, the public library, Marathon High School, Fishermen's Hospital, Starbucks, mini golf, City Marina, the boat ramp, and the events park, this property offers unbeatable access to the best

  319 Tuskegee St, Marathon, FL 33050
• 

  

  /3

  $1,395,000 Lot/Land

  252 Pescayo Ave, Marathon, FL 33050

  • 7,876 Sq Ft
  • $7,715,363 per Acre

  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.

  252 Pescayo Ave, Marathon, FL 33050
• 

  

  /18

  $405,000 Lot/Land

  300 Coco Plum Dr, Marathon, FL 33050

  • 21,780 Sq Ft
  • $810,000 per Acre

  Rare opportunity to own an oversized half-acre (21,808 SF) dry lot in the highly desirable Coco Plum neighborhood of Marathon. Ideally located directly across from Coco Plum Beach, this oversized parcel offers beautiful ocean views and endless possibilities in one of the Florida Keys' most sought-after locations. Enjoy easy access to the beach, boating, fishing, dining, and all that Marathon has

  Nicole Black Cutler Realty

  300 Coco Plum Dr, Marathon, FL 33050
• 

  

  /50

  $10,500,000 Lot/Land

  57478 Overseas Hwy, Marathon, FL 33050

  • 2.37 Acres
  • $4,430,380 per Acre

  Rare oceanfront development opportunity in the heart of the Florida Keys.Encompassing nearly 6 acres of pristine oceanfront land in Grassy Key, this exceptional parcel presents an ideal canvas for developers seeking to create luxury residential units with direct oceanfront and beach access.Surrounded by unspoiled natural beauty and tranquil beaches, the property offers immediate proximity

  Iliana Abella Compass Florida - Miami Beach

  57478 Overseas Hwy, Marathon, FL 33050
• 

  

  /39

  $599,000 Lot/Land

  Vacant 3A Treasure Rd, Marathon, FL 33050

  • 8,712 Sq Ft
  • $2,995,000 per Acre

  Have you been dreaming of your perfect Florida Keys island home & wondering where to build it? Look no further. Build your dream home on one of Marathon's most sought-after streets & waterfront neighborhoods. Tucked away on a quiet dead-end street just moments from Sombrero Beach, this exceptional homesite offers 65 feet of water frontage and the opportunity to create a custom island retreat in

  Monica Barrett Coldwell Banker Schmitt Real Estate Co.

  Vacant 3A Treasure Rd, Marathon, FL 33050
• 

  

  /16

  $1,975,000 Lot/Land

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

  • 4,032 Sq Ft
  • $21,337,054 per Acre

  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

  William Braden Century 21 Circle

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

  

  /18

  $3,549,000 Lot/Land

  14 125th Street Gulf, Marathon, FL 33050

  • 1.72 Acres
  • $2,063,372 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
• 

  

  /8

  $146,000 Lot/Land

  Lot 70 5th Ave Unit Ocean, Marathon, FL 33050

  • 2,613 Sq Ft
  • $2,433,333 per Acre

  Cleared and Vacant Lot located in the desirable neighborhood of Little Venice AND IN THE ONLY QUALIFIEDFEDERAL ECONOMIC OPPORTUNITY ZONE in the FL Keys! Come build your dream home in paradise with possible Ocean views with a stilted home. No need to worry about biological surveys or clearing permits, and the yard is already graveled. Sewer Hook Up ready on street. Adjacent home is also

  Howard Leitner Robert Slack LLC

  Lot 70 5th Ave Unit Ocean, Marathon, FL 33050

Showing Results 41 - 74, Page 2 of 2