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New Construction Homes in Key Biscayne, FL

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    $20,300,000 Custom Home

    960 Mariner Dr, Key Biscayne, FL 33149

    • 6 Beds
    • 10 Baths
    • 7,742 Sq Ft

    Discover unparalleled luxury at 960 Mariner Dr, Key Biscayne. This new architectural gem offers over 9,640 SF of living space on a 15,381 SF lot with 106 feet of water frontage. Featuring 6 bedrooms, 8 baths, and 2 half baths, the open-concept design boasts floor-to-ceiling glass, providing stunning views. A 4-person elevator connects all levels, including a third-floor terrace with 360-degree

    Agent Photo

    Francisco Neri

    The Corcoran Group

    (888) 609-8315

    960 Mariner Dr, Key Biscayne, FL 33149
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    $8,500,000 Custom Home

    238 Buttonwood Dr, Key Biscayne, FL 33149

    • 6 Beds
    • 6.5 Baths
    • 4,190 Sq Ft

    A unique architectural masterpiece in the heart of Key Biscayne, this brand-new contemporary residence by Praxis Architecture blends modern tropical luxury with exceptional craftsmanship and bespoke European finishes. Set on an oversized 9,000 SF lot, the residence offers 6 bedrooms, 6 full bathrooms, 1 half bath, and over 4,190 SF of curated living space designed around natural light, privacy,

    Fernanda Moreno Harcha Douglas Elliman

    238 Buttonwood Dr, Key Biscayne, FL 33149
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    $6,395,000 Custom Home

    760 Woodcrest Rd, Key Biscayne, FL 33149

    • 5 Beds
    • 5.5 Baths
    • 4,003 Sq Ft

    This 5 bed, 5.5 bath residence, new construction and never lived in, offers over 4,000 sq ft of contemporary architecture, a chef’s kitchen, high ceilings, floor-to-ceiling impact glass, and an elevated backyard with pool, jacuzzi, and covered terrace. The home features fully finished custom wood closets and sleek backlit LED mirrors in all bathrooms, adding both functionality and a refined

    Xiomara Cortes Compass Florida, LLC

    760 Woodcrest Rd, Key Biscayne, FL 33149
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    $6,900,000 Custom Home

    110 Hampton Ln, Key Biscayne, FL 33149

    • 6 Beds
    • 6.5 Baths
    • 3,550 Sq Ft

    Nestled in one of Miami’s most exclusive and sought-after enclaves, this stunning new construction epitomizes luxury living in Key Biscayne. Designed with sophistication and elegance, this home harmoniously blends contemporary style with the relaxed charm of island life. Expansive open-concept interiors with soaring 11-ft ceilings enhanced by floor-to-ceiling windows flood the home with natural

    Jacqueline Molina Fortune Christie's Intl R.E.

    110 Hampton Ln, Key Biscayne, FL 33149
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    $7,490,000 Custom Home

    571 Glenridge Rd, Key Biscayne, FL 33149

    • 5 Beds
    • 7 Baths
    • 3,768 Sq Ft

    BRAND-NEW CONSTRUCTION HOME IN ONE OF KEY BISCAYNE’S MOST PRESTIGIOUS AND PRIVATE ENCLAVES SURROUNDED BY LUSH TROPICAL LANDSCAPING! This exceptional Contemporary Residence offers 5 Bedrooms with a service area, 5.5 Bathrooms + a Cabana Bath. 3,768 Interior SF on a Lush Corner Lot on a quiet street. Soaring double-height ceilings & expansive impact glass windows that fill the interiors with

    Dora Puig Luxe Living Realty

    571 Glenridge Rd, Key Biscayne, FL 33149

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 Key Biscayne, FL usually offer a base package and optional upgrades such as flooring, countertops, and appliances.
Do new construction homes in Key Biscayne, FL hold their value?
Yes, especially in fast-growing areas of Key Biscayne, 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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