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Key Biscayne For Sale CONDOMINIUM

430 Grand Bay Dr # 801, Key Biscayne FL 33149

430 Grand Bay Dr # 801, Key Biscayne FL 33149

$6,900,000 ≈ ₿104.22

MLS A11973615 · 125 days on market

2

Beds

3.5

Baths

3,950

SQUARE FEET

Condominium

Type

1999

Built

$4,398

HOA / mo

Listing courtesy of

Coldwell Banker Realty

Adriana Vollmer

MLS® #A11973615

Listing information last updated June 16, 2026

MiamiCityRealty.com is an agent's best friend. We proudly co-broke and partner with Coldwell Banker Realty — and every agent and broker in Miami — to get the deal done.

Overview

This condo in Key Biscayne has 2 bedrooms and 3.5 bathrooms across 3,950 square feet, and is listed for sale at $6,900,000 (about $1,747 per square foot). Built in 1999.

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.

Listing history

Listed for sale

Mar 18, 2026 · MIAMI MLS

$6,900,000

Days on market

as of today

125 days

Building & financials

FROM MIAMI MLS

The carrying-cost and structural facts that close or kill a Miami deal — straight from the listing feed.

HOA / association dues

$4,398 / mo

Annual property tax (2025)

$131,192

Association type

Condo, Homeowners

Waterfront

Ocean Access, Ocean Front

Pets

Allowed (verify restrictions)

FEMA flood zone

AE

HOA dues include

All AmenitiesCommon AreaFidelity BondPool Service

Dues, taxes, and association data per MIAMI MLS and public records; flood zone from FEMA NFHL. Verify with the HOA, county, and your insurer during due diligence.

Building report · MCR exclusiveGrand Bay — recertification, reserves, units & pricing

Property details

MLS #A11973615
Price$6,900,000
Size3,950 Square Feet
Bedrooms2
Bathrooms3.5
Garage2
Year built1999
TypeCondominium
StatusFor Sale
HOA$4,398 / mo
Price / Square Feet$1,747
Flood zoneAE

Features & amenities

Chandelier To Be Replaced
Closet Cabinetry
Cooking Island
Dishwasher
Disposal
Dryer
Electric Range
Electric Water Heater
Entrance Foyer
Family Room
Fire Sprinklers
Has a View
Has Cooling System
Has Garage
Has Heating System
Has Waterfront
Home Owners Association
Laundry Tub
Lobby
Media Room
Microwave
Open Balcony
Property Attached
Refrigerator
Storage
Utility Room/Laundry
Walk-In Closet(s)

Location

430 Grand Bay Dr # 801, Key Biscayne FL 33149

Estimate your payment

$

Est. monthly payment

per month

Principal & interest
Property tax (est.)
HOA$4,398
Down (20%)
Ask about real rates →

Estimate only — not a Loan Estimate, pre-approval, or commitment. Taxes, insurance & HOA vary. Confirm with a licensed lender.

Questions, answered

How many bedrooms does this property have?

This Key Biscayne condo has 2 bedrooms.

How many bathrooms does this property have?

This Key Biscayne condo has 3.5 bathrooms.

What is the square footage?

This Key Biscayne condo offers 3,950 square feet of living space.

When was this property built?

This Key Biscayne condo was built in 1999.

How many parking spaces are included?

This Key Biscayne condo includes 2 parking spaces.

What is the view from this property?

The view from this Key Biscayne condo is Ocean View, Direct Ocean.

Are pets allowed?

Pet policy for this Key Biscayne condo: Restrictions Or Possible Restrictions.

What is the HOA fee?

The HOA / association fee for this Key Biscayne condo is $4,398 monthly.

What are the annual property taxes?

Annual property taxes for this Key Biscayne condo are approximately $131,192, per the latest tax record.

How long has this property been on the market?

This Key Biscayne condo has been on the market for 77 days.

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$6,900,000

430 Grand Bay Dr # 801, Key Biscayne FL 33149

Key Biscayne · 2 bd · 3.5 ba · 3,950 Square Feet

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Listing data © MIAMI MLS · IDX information deemed reliable but not guaranteed · 125 days on market.

We do not advertise a “free” buyer’s agent; buyer-representation compensation is disclosed in writing. Bitcoin pricing is indicative and updates with the market — not financial, tax, or legal advice. Buyer to independently verify all measurements, assessments, and flood & insurance facts.

$6,900,000

2 bd · 3.5 ba · 3,950 Square Feet

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