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New Construction Homes in Duck Key, FL

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  • /19

    $2,150,000 Lot/Land

    322 E Seaview Dr, Marathon, FL 33050

    • 7,405 Sq Ft
    • $12,647,059 per Acre

    This 7,500 sq ft residential lot on Duck Key Island offers 75 ft of canal frontage and 100 ft of deep-water canal depth on the ocean side with crystal-clear waters. This property is yacht accessible. The ROGO permit is already grandfathered in, so it's ready to build with no waiting in the ROGO line and you can start construction today. Fully approved dock plans are included. A three-story home

    Agent Photo

    Joseph Suarez

    Trustpoint Realty, LLC

    322 E Seaview Dr, Marathon, FL 33050
  • /4

    $4,400,000 Lot/Land

    318 E Seaview Cir, Duck Key, FL 33050

    • 8,276 Sq Ft
    • $23,157,895 per Acre

    8,190 SF vacant lot on Duck Key Island along a deep water canal with open water views. Located next to Hawks Cay Resort, which offers dolphin swims, dining by a Michelin-rated chef, and a marina. Duck Key is centrally positioned near luxury restaurants in the Keys, Grassy Key sandbar, deep drops for offshore fishing, clear Bahamian waters, nearby reefs for lobstering and reef fishing, and the

    Agent Photo

    Joseph Suarez

    Trustpoint Realty, LLC

    318 E Seaview Cir, Duck Key, FL 33050
  • /10

    $185,000 Lot/Land

    125 Bimini Dr, Duck Key, FL 33050

    • 11,761 Sq Ft
    • $685,185 per Acre

    Discover a slice of paradise in the heart of the Florida Keys. This vacant lot offers a rare opportunity to own property in the sought-after Duck Key community, known for its tranquil canals, tropical scenery, and upscale island lifestyle. No Building Right: This lot does not currently have a building right, making it ideal for long-term investment or as an addition to an existing nearby property.

    Agent Photo

    Karen Liskey

    Key Colony Beach Realty

    125 Bimini Dr, Duck Key, FL 33050
  • /56

    $3,260,000 Custom Home

    58244 Overseas Hwy, Duck Key, FL 33050

    • 4 Beds
    • 3 Baths
    • 2,700 Sq Ft

    Welcome to 58244 Overseas Hwy on Grassy Key. This home was built in 2024 to last with superior ICF construction, steel studs, metal roof, impact resistant doors & windows. The extra thought and care in this property doesn't stop there like: 1'' water pipe for added pressure, underground utilities and 4ft deep walls underground on 3 sides of the property to prevent erosion, and geo grid honeycomb

    Lynn Lucas Berkshire Hathaway HomeServices Keys Real Estate

    58244 Overseas Hwy, Duck Key, FL 33050
  • /25

    $1,099,000 Custom Home

    224 W Seaview Dr, Marathon, FL 33050

    • 3 Beds
    • 2 Baths
    • 1,080 Sq Ft

    SELLER FINANCING OFFERED! Welcome to this BRAND NEW spacious corner lot in the heart of Duck Key. Elevated for added peace of mind, this 3-bedroom, 2-bath stilt home features soft coastal tones, sleek tile flooring throughout, window treatments and impact-resistant windows/doors for storm protection and energy efficiency. Duck Key is a charming, golf cart-friendly island known for its laid-back

    Brenner Scheel Casey Florida Keys Real Estate Group

    224 W Seaview Dr, Marathon, FL 33050
  • /3

    $299,000 Lot/Land

    Lot 17 Lot 17 Jamaica St, Duck Key, FL 33050

    • 7,405 Sq Ft
    • $1,758,824 per Acre

    Don’t miss out on this rare opportunity to build your dream home on DOUBLE lots in the desirable area of Duck Key, or build your perfect investment vacation retreat on an island paradise. These prime vacant lots, located in the heart of Duck Key, Florida, are just minutes away from the beach, Hawks Cay Marina, and endless water activities. Experience the ultimate Florida Keys lifestyle. An

    Alric Francis Reality Investments Corp.

    Lot 17 Lot 17 Jamaica St, Duck Key, FL 33050
  • /3

    $299,000 Lot/Land

    Lot 18 Jamaica St, Duck Key, FL 33050

    • 7,405 Sq Ft
    • $1,758,824 per Acre

    Don’t miss out on this rare opportunity to build your dream home on DOUBLE lots in the desirable area of Duck Key, or build your perfect investment vacation retreat on an island paradise. These prime vacant lots, located in the heart of Duck Key, Florida, are just minutes away from the beach, Hawks Cay Marina, and endless water activities. Experience the ultimate Florida Keys lifestyle. An

    Alric Francis Reality Investments Corp.

    Lot 18 Jamaica St, Duck Key, FL 33050
  • /14

    $399,000 Lot/Land

    223 Schooner Ln, Duck Key, FL 33050

    • 7,671 Sq Ft
    • $2,265,438 per Acre

    Build your dream in the Florida Keys on this cleared corner lot in sought-after Duck Key. Much of the groundwork has already been complete allowing you to focus on designing your ideal island retreat.Next quarter the property will be at 42 points, after that next step to 44 points = permit. After 42 points which should be obtained in May, 2026, another 2 points can be gained by filing already

    Lisa Frins Berkshire Hathaway HomeServices Keys Real Estate - Islamorada

    223 Schooner Ln, Duck Key, FL 33050
  • /10

    $475,000 Lot/Land

    Lot 9 W Seaview Cir, Duck Key, FL 33050

    • 9,016 Sq Ft
    • $2,294,686 per Acre

    Calling all investors and developers. Rare vacant land opportunity on desirable Duck Key, Lot 9. Build your private Florida Keys retreat in a setting surrounded by turquoise waters and natural beauty. Design and construct a custom residence tailored to your vision in one of the Keys’ most sought-after island communities. No HOA. Optional memberships available through Club Duck Key or Hawks Cay.

    Julian Gonzalez LoKation

    Lot 9 W Seaview Cir, Duck Key, FL 33050
  • /4

    $329,000 Lot/Land

    111 Jamaica St, Duck, FL 33050

    • 7,492 Sq Ft
    • $1,912,791 per Acre

    Incredible opportunity to own a buildable vacant lot in the prestigious Duck Key community in the Florida Keys. This prime property is already in the ROGO system with 42 points. Get a head start on constructing your Florida Keys dream home or high-return vacation rental in one of the most desirable island neighborhoods. Located just minutes from Hawks Cay Resort, white sand beaches, and

    Mirtha Perez The Listing Office, LLC.

    111 Jamaica St, Duck, FL 33050
  • /11

    $575,000 Lot/Land

    62900 Overseas Hwy Unit 53, Conch Key, FL 33050

    • 5,662 Sq Ft
    • $4,423,077 per Acre

    Coral Reef Village -AT Conch Key Ocean front land corner lot with 5000 sq. ft Lot -Enjoy direct access to the turquoise waters of the Keys, world-class fishing, and a serene island lifestyle in one of the most desirable and private locations along the Overseas Highway. The primary audience is a buyer who wishes to build a house at aspecification. Buyers attracted to the key's lifestyle

    isabel linowitz RE/MAX All Keys Real Estate

    62900 Overseas Hwy Unit 53, Conch Key, FL 33050
  • /14

    $400,000 Lot/Land

    202 Barque St, Duck Key, FL 33050

    • 8,276 Sq Ft
    • $2,105,263 per Acre

    ACTIVE Building Permit In Hand. Start building your Dream Home NOW! Here's your opportunity to own one of the premier dry lots available on Duck Key. Approved building plans available from Seller. Optional membership is available at Club Duck Key, offering a heated and chilled swimming pool, tennis courts, pickleball, and a full calendar of social activities. The island also features two marinas

    Karen Raspe, PA Ocean Sotheby's International

    202 Barque St, Duck Key, FL 33050
  • /3

    $299,000 Lot/Land

    Lot 17 Jamaica St, Duck Key, FL 33050

    • 7,405 Sq Ft
    • $1,758,824 per Acre

    Don’t miss out on this rare opportunity to build your dream home on DOUBLE lots in the desirable area of Duck Key, or build your perfect investment vacation retreat on an island paradise. These prime vacant lots, located in the heart of Duck Key, Florida, are just minutes away from the beach, Hawks Cay Marina, and endless water activities. Experience the ultimate Florida Keys lifestyle. An

    Alric Francis Reality Investments Corp.

    Lot 17 Jamaica St, Duck Key, FL 33050
  • /13

    $498,500 Lot/Land

    77 S Conch Ave, Duck Key, FL 33050

    • 4,356 Sq Ft
    • $4,985,000 per Acre

    Presenting 77 S Conch Key, a 4,500-square-foot parcel in the heart of the Florida Keys that includes two transferable ROGO allocations, each with an estimated value of approximately $149,000. The property is approved for development under existing ROGO plans allowing for up to four residential units, creating a rare opportunity for investors, developers, or end users seeking to build in a market

    Bram Scolnick East Coast Realty Brokerage

    77 S Conch Ave, Duck Key, 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
  • /14

    $349,000 Lot/Land

    101 S Bahama Dr, Duck Key, FL 33050

    • 9,147 Sq Ft
    • $1,661,905 per Acre

    Build your Florida Keys dream home on this exceptional oversized 9,212-square-foot corner lot in the exclusive community of Duck Key. This cleared lot offers a rare opportunity to create your own vision with approved plans for a thoughtfully designed 3-bedroom, 3.5-bath coastal residence featuring an open-concept layout, spacious walk-in laundry room, generous storage, garage, covered terrace,

    Kelsey Caputo Berkshire Hathaway HomeServices Keys Real Estate - Islamorada

    101 S Bahama Dr, Duck Key, FL 33050
  • /25

    $2,950,000 Lot/Land

    219 W Seaview Dr, Duck Key, FL 33050

    • 9,549 Sq Ft
    • $13,455,707 per Acre

    An exquisite opportunity awaits the discerning visionary: a rare, expansive oceanfront lot gracing the serene shores of Duck Key, one of the Florida Keys' most exclusive and coveted enclaves.This prestigious parcel, nestled on the tranquil, sought-after side of West Seaview Drive, offers unparalleled south exposure--delivering golden morning light, refreshing ocean breezes, and mesmerizing

    Thomas Carden Keys to the Coast Real Estate LLC

    219 W Seaview Dr, Duck Key, FL 33050
  • /3

    $299,000 Lot/Land

    Lot 18 Lot 18 Jamaica St, Duck Key, FL 33050

    • 7,405 Sq Ft
    • $1,758,824 per Acre

    Don’t miss out on this rare opportunity to build your dream home on DOUBLE lots in the desirable area of Duck Key, or build your perfect investment vacation retreat on an island paradise. These prime vacant lots, located in the heart of Duck Key, Florida, are just minutes away from the beach, Hawks Cay Marina, and endless water activities. Experience the ultimate Florida Keys lifestyle. An

    Alric Francis Reality Investments Corp.

    Lot 18 Lot 18 Jamaica St, Duck Key, FL 33050
  • /10

    $475,000 Lot/Land

    Lot 8 W Seaview Cir, Duck Key, FL 33050

    • 9,016 Sq Ft
    • $2,294,686 per Acre

    Calling all investors and developers. Rare vacant land opportunity on desirable Duck Key, Lot 8. Build your private Florida Keys retreat in a setting surrounded by turquoise waters and natural beauty. Design and construct a custom residence tailored to your vision in one of the Keys’ most sought-after island communities. No HOA. Optional memberships available through Club Duck Key or Hawks Cay.

    Julian Gonzalez LoKation

    Lot 8 W Seaview Cir, Duck Key, FL 33050
  • /3

    $329,000 Lot/Land

    106 S Bahama Dr, Duck, FL 33050

    • 7,492 Sq Ft
    • $1,912,791 per Acre

    Buildable Lot in Prestigious Duck Key – Florida Keys Rare chance to own a prime vacant lot in the coveted Duck Key community. Already in the ROGO system with 42 points. Start planning your Florida Keys dream home or high-return vacation rental now. Just minutes from Hawks Cay Resort, beaches, and world-class boating, fishing, and diving. Current owner is a licensed architect and can modify

    Mirtha Perez The Listing Office, LLC.

    106 S Bahama Dr, Duck, 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
  • /4

    $329,000 Lot/Land

    113 Jamaica St, Duck Key, FL 33050

    • 7,492 Sq Ft
    • $1,912,791 per Acre

    Incredible opportunity to own a buildable lot in prestigious Duck Key, Florida Keys. This prime property is in the ROGO system with 42 points. Start building your dream home or vacation rental in one of the Keys' most desirable neighborhoods. Minutes from Hawks Cay Resort, white sand beaches, and top-tier boating, fishing, and diving. The current owner, a licensed architect, can modify submitted

    Mirtha Perez The Listing Office, LLC.

    113 Jamaica St, Duck Key, FL 33050
  • /5

    $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
  • /18

    $598,500 Lot/Land

    93 N Conch Ave, Duck Key, FL 33050

    • 4,791 Sq Ft
    • $5,440,909 per Acre

    93 N Conch Key is a waterfront development opportunity offering a newly constructed seawall, approved building plans, and the ability to move forward without many of the delays and costs typically associated with waterfront development in the Florida Keys. The approximately 5,000-square-foot parcel includes plans for a new dock and seawall improvements and presents the potential for up to four

    Bram Scolnick East Coast Realty Brokerage

    93 N Conch Ave, Duck Key, FL 33050

Frequently Asked Questions

What warranties come with a new construction home?
Most Builders provide a 1-year workmanship warranty, a 2-year systems warranty, and a 10-year structural warranty.
What upgrades are included in a new build vs what is considered extras?
Builders in Duck Key, FL usually offer a base package and optional upgrades such as flooring, countertops, and appliances.
Do new construction homes in Duck Key, FL hold their value?
Yes, especially in fast-growing areas of Duck Key, FL. Resale values are supported by population growth, job opportunities, and desirable schools.
What happens if I find issues after moving in to new build?
Builders typically provide a post-move in warranty service to address punch list items.
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