How much is 445 Grand Bay Drive PH-1A?

445 Grand Bay Drive PH-1A is listed at $18,900,000, which is about $2,241 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 445 Grand Bay Drive PH-1A?

The listing reports an association fee of $9,923 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 445 Grand Bay Drive PH-1A?

The listing reports annual property taxes of $54,141 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 445 Grand Bay Drive PH-1A built?

445 Grand Bay Drive PH-1A was built in 1997 and the listing describes its condition as resale. 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 445 Grand Bay Drive PH-1A been on the market?

445 Grand Bay Drive PH-1A has been listed for 267 days. Days on market and price changes are the first signals of how much room there is to negotiate.

Is 445 Grand Bay Drive PH-1A waterfront?

Yes. The listing describes the water as deeded beach access 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 445 Grand Bay Drive PH-1A?

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.

445 Grand Bay Drive PH-1A, Key Biscayne, FL 33149

$18,900,000 · Active

5 beds
5.5 baths
8,435 sq ft
267 days on market
Condominium
Built 1997
HOA $9,923/mo
11,260 sq ft total
Miami-Dade County
MLS# A11954185
Grand Bay Residences Cond

Photo 1 at 445 Grand Bay Drive PH-1A, Key Biscayne

Photo 2 at 445 Grand Bay Drive PH-1A, Key Biscayne

Photo 3 at 445 Grand Bay Drive PH-1A, Key Biscayne

Photo 4 at 445 Grand Bay Drive PH-1A, Key Biscayne

Photo 5 at 445 Grand Bay Drive PH-1A, Key Biscayne

Photo 6 at 445 Grand Bay Drive PH-1A, Key Biscayne

Photo 7 at 445 Grand Bay Drive PH-1A, Key Biscayne

Photo 8 at 445 Grand Bay Drive PH-1A, Key Biscayne

About this home

High above the turquoise waters of Key Biscayne rises a penthouse that simply cannot be replicated. Once featured in Architectural Digest, this legendary corner residence at Grand Bay is a statement of scale, design, and presence. From sunrise over the Atlantic to glittering sunsets across Biscayne Bay and the Miami skyline, the views are cinematic in every direction, offering endless blue water, golden light, and exceptional privacy. Spanning an extraordinary 8,435 square feet under air and 2,825 square feet of terraces, totaling 11,260 square feet as per the developer’s floor plan, the residence is defined by soaring 12-foot ceilings and grand proportions throughout. A dramatic foyer leads to a spectacular Grand Room designed for both intimate living and large-scale entertaining. The formal dining room is separate and elegant, while the completely remodeled kitchen and family room provide comfort and functionality. The fully renovated private library and custom bar enhance the home’s entertaining appeal. The primary suite is serene and expansive. All the bathrooms have just been completely remodeled, offering a fresh spa-inspired experience finished to today’s highest standards. Four (4) additional en-suite bedrooms ensure comfort and privacy. The terraces offer expansive outdoor living in the sky, perfect for sunrise mornings and sunset evenings overlooking the water and skyline. This is not simply a penthouse. It is a landmark residence, rare and impossible to duplicate.

Features

Built-in Features
Entrance Foyer
High Ceilings
Pantry
Wet Bar
Walk-In Closet(s)
Closet Cabinetry
Balcony
Deeded Beach Access
Ocean Access
Ocean Front

Schools

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

Presented by

BreakThru Realty · (786) 914-1017

Courtesy of

One Sotheby's International Realty · MLS@onesothebysrealty.com · Listing agent: Brigitte Nachtigall

All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright © 2026 BeachesMLS, Inc. IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by BeachesMLS. Listings held by brokerage firms other than BreakThru Realty carry the name of the listing broker.

Schedule a showing

Call or text BreakThru Realty at (786) 914-1017 or email sales@breakthrurealty.com to see 445 Grand Bay Drive PH-1A.

Before You Make an Offer

Buying an oceanfront condo: the building comes first

Thinking About Selling Your Oceanfront Condo?

Oceanfront buyers search by building, view line, floor plan, price range, amenities and the building's inspection and reserve status. Some of the buyers working with BreakThru Realty have told us exactly which buildings and exposures they want. If you own a residence on the ocean, find out whether it matches what one of them is looking for before you list.

BreakThru Realty works with hundreds of prequalified buyers searching for properties. Before you list, a broker reviews what you own, the market around it and whether an existing buyer's requirements match. If none does, you see how we would position it to reach other qualified buyers.

Find Out If We Have Your Buyer · Discuss Selling With BreakThru Realty

A potential match is a conversation, not an offer, until the buyer sees your property and makes one. No buyer is named and nothing about your property or business is shared until you decide to proceed.

Questions About 445 Grand Bay Drive PH-1A

How much is 445 Grand Bay Drive PH-1A?: 445 Grand Bay Drive PH-1A is listed at $18,900,000, which is about $2,241 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 445 Grand Bay Drive PH-1A?: The listing reports an association fee of $9,923 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 445 Grand Bay Drive PH-1A?: The listing reports annual property taxes of $54,141 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 445 Grand Bay Drive PH-1A built?: 445 Grand Bay Drive PH-1A was built in 1997 and the listing describes its condition as resale. 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 445 Grand Bay Drive PH-1A been on the market?: 445 Grand Bay Drive PH-1A has been listed for 267 days. Days on market and price changes are the first signals of how much room there is to negotiate.
Is 445 Grand Bay Drive PH-1A waterfront?: Yes. The listing describes the water as deeded beach access 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 445 Grand Bay Drive PH-1A?: 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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Nearby Cities

Key Biscayne Neighborhoods

Nearby ZIP Codes

Nearby Condo Buildings

Key Biscayne neighborhoods include Key Colony and Commodore Club. Nearby ZIP codes include 33109 and 33131. This property also neighbors Fisher Island, Brickell, and Miami. Compare it with the Key Biscayne housing market report.