New Construction Homes for Sale in Monroe County, FL

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  $225,000 Lot/Land

  124 Cutthroat Dr, Cudjoe Key, FL 33042

  Canal front lot in beautiful Cutthroat Harbor Estates. Excellent opportunity to be on the water in a great location. Property currently has concrete columns and slab in place. Possible short sale.

  Jimmy Lane Island Life Realty Experts

  124 Cutthroat Dr, Cudjoe Key, FL 33042
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  $450,000 Lot/Land

  195 Indies Dr S, Duck Key, FL 33050

  • 8,244 Sq Ft
  • $2,377,441 per Acre

  Preliminary landscaping and land clearing has been done to improve the property (Privacy Hedges on both sides)- Currently has 40pts in ROGO (2 more points to be issued in August 2025)- Property has been surveyed and in ROGO with building plans. Pool plans have already been approved for permitting.- Water & Sewer service connection has been completed.

  Raul Pineyro Cacophony Group LLC

  195 Indies Dr S, Duck Key, FL 33050
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  $1,100,000 Lot/Land

  2950 Overseas Hwy Unit 52, Key West, FL 33040

  Rare Platinum Bayside RV Lot #52 in the exclusive Bluewater Key RV Resort on Saddlebunch Key, just 15 minutes away from Key West. This spacious, highly improved lot offers beautiful open water views and a private tiki hut, creating the perfect setting for relaxing or entertaining in your own tropical retreat.As a designated Platinum lot, this property offers generous size, privacy, and lush

  Oleksandr Khiznichenko Keller Williams Key West Compass Realty

  2950 Overseas Hwy Unit 52, Key West, FL 33040
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  $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

  Matthew Roy Waterfront Keys Realty Inc.

  990 41st Street Gulf Unit 8, Marathon, FL 33050
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  $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
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  $235,000 Lot/Land

  94825 Overseas Hwy Unit 198, Key Largo, FL 33037

  • 1,658 Sq Ft
  • $6,174,065 per Acre

  Discover the beauty of Key Largo with this stunning property located at 94825 Overseas Hwy Lot 198. Everything is new in the development, build your dream home.

  Steven Koleno Beycome of Florida, LLC

  94825 Overseas Hwy Unit 198, Key Largo, FL 33037
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  $355,000 Lot/Land

  325 Calusa St, Key Largo, FL 33037

  • 1,742 Sq Ft
  • $8,875,000 per Acre

  Calusa RV campground is your ideal destination! This versatile getaway delivers the full package: • Prime Water Access: Set just steps from the pool and offering effortless access to some of the best fishing waters in the region. • Room for All Your Toys: Plenty of space to store your boat, jet skis, kayaks, and other aquatic gear — plus ample parking for your RV. • Vacation-Ready &

  Jose Vigo RE/MAX All Keys Real Estate

  325 Calusa St, Key Largo, FL 33037
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  $250,000 Lot/Land

  94825 Overseas Hwy Unit 67, Key Largo, FL 33037

  • 1,658 Sq Ft
  • $6,568,154 per Acre

  Ready to build on an excellent location! No ROGO, All gated community with security guards 24/7 for your peace of mind. Ocean front Resort with breezes and spectacular sunrises every morning from the Marina. Lush landscaping greets you as you pull into the Resort and leads you to the many different amenities offered. It's like entering in another state of mind, a completely stress-free

  Maria Barroso Coldwell Banker Schmitt Key Largo

  94825 Overseas Hwy Unit 67, Key Largo, FL 33037
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  $339,000 Lot/Land

  94825 Overseas Hwy, Key Largo, FL 33037

  • 1,658 Sq Ft
  • $8,906,417 per Acre

  **Prime Opportunity in Key Largo Ocean Resort** The best new Luxury Community in Key Largo for single family homes. Build the water view home of your dreams in this wonderful community. The land is already approved by Monroe County for a residential home up to 3 levels, including a roof terrace that will offer spectacular day and evening views. The community provides exceptional amenities

  Maria Elena Arias The Keyes Company

  94825 Overseas Hwy, Key Largo, FL 33037
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  $325,000 Lot/Land

  27935 Tarpon Terrace, Summerland Key, FL 33042

  Heather Mason Coastal Collection Real Estate Inc.

  27935 Tarpon Terrace, Summerland Key, FL 33042
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  $285,000 Lot/Land

  Unlisted Address

  • 1.01 Acres
  • $282,178 per Acre

  Private Acre on Cudjoe Key. Lush, Tropical, and Near the Water Escape to your own secluded paradise in the Lower Keys! This just over an acre lot on Cudjoe Key is surrounded by beautiful equestrian properties and dense tropical foliage, offering unmatched privacy and tranquility. Located just seconds from a public boat ramp, you'll have easy access to world-class fishing, boating, and

  Coby Taylor Expert Realty LLC (HQ)

  Unlisted Address
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  $499,999 Lot/Land

  106281 Overseas Hwy Unit LOT 18, Key Largo, FL 33037

  • 6,000 Sq Ft
  • $3,629,993 per Acre

  Three (Commercial) adjacent lots available for sale together (1,500,000 dollars) Ideally located on the famous US1 (Overseas Hwy) in Key Largo. Zoning is being changed to Commercial as previously zoned in the 90's, offering endless possibilities for your business. The property already has water and sewer in place, making it ready for immediate development. With exceptional exposure along this

  Jennifer Gomez LPT Realty, LLC

  106281 Overseas Hwy Unit LOT 18, Key Largo, FL 33037
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  $480,000 Lot/Land

  701 Spanish Main Dr Unit 432, Cudjoe Key, FL 33042

  • 1,920 Sq Ft
  • $10,890,000 per Acre

  Discover the ultimate escape! This highly sought-after waterfront RV lot offers everything the coastal enthusiast dreams of, combining luxury amenities with unparalleled nautical access. Located on a wide street this lot is easily accessible for larger RV's and 5th wheels. Features a newer separate concrete parking area for your vehicle and a large level concrete pad for the Rv. Comes complete

  Carmen Brake Waterfront Keys Realty Inc.

  701 Spanish Main Dr Unit 432, Cudjoe Key, FL 33042
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  $146,000 Lot/Land

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

  • 2,749 Sq Ft
  • $2,312,640 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 available

  Howard Leitner Robert Slack LLC

  Lot 70 5th Ave Unit Ocean, Marathon, FL 33050
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  $895,000 Lot/Land

  30988 Witters Ln, Big Pine Key, FL 33043

  • 14,810 Sq Ft
  • $2,632,353 per Acre

  Beautiful extra large lot with open water view and full active building permit. The lot also has an active permit for in-ground pool. Plans are included for single level elevated CBS 4 Bedroom 4.5 Bathroom luxury home over parking, with superb boating access to both the Atlantic Ocean and Gulf of Mexico.

  Banks Prevatt Coldwell Banker Schmitt RE Co.

  30988 Witters Ln, Big Pine Key, FL 33043
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  $300,000 Lot/Land

  101551 Overseas Hwy Unit 22, Key Largo, FL 33037

  • 1,751 Sq Ft
  • $7,463,164 per Acre

  Longest Pull through Vacant lot 28.5' wide by 59' Long available in Key Largo Kampground & Marina, a premier RV/campground and marina community in the Florida Keys, ready to plug in and enjoy or begin renting immediately. This lot is currently enrolled in the campground's rental program, earning approximately $125-$150 per night. The community sits on 40 scenic oceanside acres inside of John

  Kelly Randin RE/MAX All Keys Real Estate

  101551 Overseas Hwy Unit 22, Key Largo, FL 33037
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  $499,000 Lot/Land

  22552 Jolly Roger Dr, Cudjoe Key, FL 33042

  • 6,969 Sq Ft
  • $3,118,750 per Acre

  Oceanfront lot in the Lower Keys overlooking Cudjoe Bay. Build your dream with expansive open-water views and ocean breezes. Prime waterfront setting with incredible potential. No current building permit; buyer to verify process and timelines. Rare opportunity to own a slice of paradise.

  Lauren Dunn Coldwell Banker Schmitt Islamorada

  22552 Jolly Roger Dr, Cudjoe Key, FL 33042
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  $299,000 Lot/Land

  94825 Overseas Hwy #262, Key Largo, FL 33037

  • 1,655 Sq Ft
  • $7,868,421 per Acre

  Discover an incredible opportunity to build your dream home in Key Largo Ocean Resort, a premier oceanfront community located directly on the Atlantic Ocean. This gated neighborhood offers 24/7 security, ensuring peace of mind whether you’re here full-time or enjoying the Keys as a getaway. Owners enjoy resort-style amenities including a community marina, oceanfront pool, tennis courts, &

  Aisleen Falcon-Cabral Luxe Properties

  94825 Overseas Hwy #262, Key Largo, FL 33037
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  $199,000 Lot/Land

  933 Lobster Ln, Key Largo, FL 33037

  • 6,720 Sq Ft
  • $1,289,946 per Acre

  This is your chance to own buildable land in south key largo ocean side This lot is being offered with an adjacent directly behind it ''back to back'' lot The address to the other lot is 1032 Snapper lnBoth are being sold for $495,000 as a package and possible owner financing is available

  Ernie Echauri RE/MAX All Keys Real Estate

  933 Lobster Ln, Key Largo, FL 33037
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  $319,000 Lot/Land

  325 Calusa St #5, Key Largo, FL 33037

  • 1,263 Sq Ft
  • $11,000,000 per Acre

  1,262 SF lot in Calusa Campground, Key Largo. Sewer and electricity connections in place. Bring your own boat — community features a boat ramp. Low HOA fee of $172/month. Amenities include a swimming pool, clubhouse, tennis and basketball courts, and 24-hour security. Excellent location, just 5 minutes from shopping and dining. Short-term rentals (Airbnb) allowed, making it a great investment

  Sandra Alayon Keller Williams Realty International Lifestyles

  325 Calusa St #5, Key Largo, FL 33037
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  $190,000 Lot/Land

  Lot 15 bk2 Bad George Rd, Sugarloaf Key, FL 33042

  • 1.02 Acres
  • $186,275 per Acre

  Build your dream home. Imagine waking up to the natural beauty of the Florida Keys on this 44,431sqft lot. Great location near Sugarloaf school. Easy commute to Key West, only 25 minutes. Nearby boat ramps.

  Elizabeth Greco-DeGrenier Coldwell Banker Schmitt RE Co.

  Lot 15 bk2 Bad George Rd, Sugarloaf Key, FL 33042
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  $199,000 Lot/Land

  1032 Snapper Ln, Key Largo, FL 33037

  • 6,720 Sq Ft
  • $1,289,946 per Acre

  This is your chance to own a buildable lot in key largo ocean side This lot must be purchased along with an adjacent 'back to back' lot BothThe other lot address is 933 lobster ln Creating an amazing opportunity to build your dream home in one of the most sought after neighborhoods in key largo Possible Owner financing available

  Ernie Echauri RE/MAX All Keys Real Estate

  1032 Snapper Ln, Key Largo, FL 33037

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