430 Grand Bay Drive Unit 801, Key Biscayne, FL 33149

$6,690,000 — Active

Property Features

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Commanding breathtaking Atlantic vistas from its privileged eighth-floor setting at Grand Bay Tower, this residence is a rare offering on Key Biscayne. Enjoying an unusually private setting with unobstructed ocean views and minimal visibility from neighboring residences, the home offers a level of seclusion seldom found in oceanfront condominium living. Originally a three-bedroom, five-and-a-half-bath home, it has been masterfully reimagined into a grand two-bedroom, three-and-a-half-bath layout, enhancing scale and flow for refined entertaining and effortless daily living. Spanning approximately 3,950 square feet, the living and dining areas, a cozy family room, and a bright kitchen with breakfast area are complemented by three terraces totaling approximately 595 square feet, seamlessly integrated to capture sweeping Atlantic views from every room. Custom woodwork by renowned designer Juan Montoya enriches the interiors, while the serene primary suite offers a secluded sitting room, bespoke closets, and a spa-inspired bath, creating a private sanctuary within this singular home. The sale includes one storage unit. Combining exceptional scale, refined finishes, remarkable privacy, unobstructed Atlantic views, and desirable ancillary spaces, this residence represents a unique opportunity within one of Key Biscayne’s most prestigious oceanfront buildings.

▼ Price Reduced — originally listed at $6,900,000

Property Details

  • Listing ID: A11973615
  • Status: Active
  • Listing Date: 2026-03-18
  • Property Type: Condominium
  • Unit / Building #: 801
  • Subdivision: GRAND BAY TOWER CONDO
  • County: Miami-Dade
  • MLS Area: 2420
  • Bedrooms: 2
  • Full Bathrooms: 3
  • Half Bathrooms: 1
  • Living Area Sq Ft: 3,950
  • Year Built: 1999

Financial

  • List Price: $6,690,000
  • Original List Price: $6,900,000
  • HOA Fee: $4,398/mo
  • Taxes: $131,192/yr

Features & Amenities

  • View: Direct Ocean, Ocean
  • 55+ Community (HOPA): Yes
  • Pets Allowed: Yes, Pet Restrictions Possible
  • Parking: Valet
  • Cooling: Central Air
  • Heating: Electric
  • Construction: CBS
  • Interior Features: Entrance Foyer, Kitchen Island, Walk-In Closet(s), Closet Cabinetry, Storage
  • Exterior Features: Balcony
  • Community Amenities: Fitness Center, Pool, Bike Storage, Heated Pool, Lobby, Maintenance

Courtesy of Coldwell Banker Realty
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© 2026 Starfish Real Estate. Listings updated Nov 10, 2026 5:00 am. Listing data is derived from the Broker Reciprocity Program of the Realtor Association of Indian River County (RAIRC) and BeachsMLS. Properties listed by brokers other than Starfish Real Estate are identified with the applicable MLS logo and include the listing broker's name. Not all properties available through either MLS may be displayed. All MLS data is the copyrighted property of the respective MLS and its participants. Data is deemed reliable but is not guaranteed accurate and should be independently verified prior to entering into any transaction.