430 Grand Bay Drive 801, Key Biscayne, FL 33149

$6,900,000 · Active

  • 2 beds
  • 4 baths
  • 3,950 sq ft
  • Condominium
  • Built 1999
  • HOA $4,398/mo
  • MLS# A11973615
  • Grand Bay Tower Condo
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About this home

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 a private guest quarters—an increasingly rare and coveted amenity at Grand Bay—as well as two storage units.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.

Features

Schools

  • Elementary: Key Biscayne K-8
  • Middle: Ponce De Leon
  • High: Coral Gables

Presented by

BreakThru Realty · (786) 914-1017

Courtesy of

Coldwell Banker Realty · Listing agent: Adriana Vollmer

Schedule a showing

Call or text BreakThru Realty at (786) 914-1017 or email sales@breakthrurealty.com to see 430 Grand Bay Drive 801.

Questions About 430 Grand Bay Drive 801

How much is 430 Grand Bay Drive 801?
430 Grand Bay Drive 801 is listed at $6,900,000, which is about $1,747 per square foot. The listing page shows comparable active listings and recent closed sales nearby so you can judge the asking price against what buyers have actually paid.
What are the association fees at 430 Grand Bay Drive 801?
The listing reports an association fee of $4,398 per month. Confirm what the fee covers, the reserve funding and any pending special assessments before you make an offer; for a condo, ask for the milestone inspection report as well.
What are the property taxes on 430 Grand Bay Drive 801?
The listing reports annual property taxes of $131,192 for 2025. Taxes are reassessed at the sale price after a purchase, so a new owner's bill can differ from the current owner's; use the mortgage calculator on this page for an estimate.
When was 430 Grand Bay Drive 801 built?
430 Grand Bay Drive 801 was built in 1999 and the listing describes its condition as resale updated/remodeled. Age matters for insurance and financing in Florida: ask about the roof, the electrical panel and, for a condo built before the current code, the building's structural reserve study.
How long has 430 Grand Bay Drive 801 been on the market?
430 Grand Bay Drive 801 has been listed for 189 days. Days on market and price changes are the first signals of how much room there is to negotiate.
Is 430 Grand Bay Drive 801 waterfront?
Yes. The listing describes the water as no fixed bridge ocean access ocean front. For a home with dockage, confirm the water depth at low tide, the seawall condition and whether the route to the inlet passes under any fixed bridges before you offer.
Which schools serve 430 Grand Bay Drive 801?
The MLS lists Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments are set by the district and can change; verify them with the school board before you rely on them.

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The 4 bedroom condo at 799 Crandon Boulevard 202, Key Biscayne, FL 33149 is comparable and listed for sale at $5,490,000. Another comparable condo, 360 Ocean Drive 1106S, Key Biscayne, FL 33149, sold for $7,000,000 in July 2026. Key Biscayne neighborhoods include Key Colony and Commodore Club. Nearby ZIP codes include 33131 and 33129. This property also neighbors Brickell, Miami, and Coconut Grove. Compare it with the Key Biscayne housing market report.