$3,490,000
430 Grand Bay Dr # 708, Key Biscayne FL 33149 – Residential
Grand Bay Dr
- 3 beds
- 3 baths
- 2,840 sqft
Listing by Coldwell Banker RealtyMLS® #A12057740
3
Beds
3
Baths
2,840
SQUARE FEET
Condominium
Type
1999
Built
$3,200
HOA / mo
Listing courtesy of
Coldwell Banker Realty
Joan Mc Caughan
MLS® #A12057740
Listing information last updated August 29, 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 3 bedrooms and 3 bathrooms across 2,840 square feet, and is listed for sale at $3,490,000 (about $1,229 per square foot). Built in 1999.
Rare opportunity in one of Key Biscayne’s most sought-after buildings. This corner residence offers sweeping views of Biscayne Bay and the Miami skyline, framed by 3 balconies throughout.
The kitchen features top-of-the-line appliances, a center island and a sun-filled breakfast nook — a true chef’s dream. Marble flooring flows through the expansive, open living and dining areas, ideal for entertaining, while rich dark wood grounds the bedrooms with warmth.
3 full bedrooms, 2 full baths, plus a maid’s quarters with full bath. Generous walk-in closets throughout. A private entrance sets the tone the moment you arrive — your own island getaway, move-in ready.
Please not, this unit cannot be shown until August 4th.
Listing history
Price reduced
↓ $200,000 from $3,690,000 · Aug 29, 2026 · MIAMI MLS
$3,490,000
Listed for sale
Jul 22, 2026 · MIAMI MLS
$3,690,000
Days on market
as of today
45 days
Building & financials
FROM MIAMI MLSThe carrying-cost and structural facts that close or kill a Miami deal — straight from the listing feed.
HOA / association dues
$3,200 / mo
Annual property tax (2025)
$24,825
Association type
Condo
Waterfront
Ocean Access, Ocean Front
Pets
Allowed (verify restrictions)
HOA dues include
All AmenitiesCommon AreaElevatorInsuranceInternet/WiFiLandscaping/Lawn MaintenanceManagerPest Control InteriorPool ServiceReserve FundSecurityTrash RemovalWater
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 #A12057740
Price$3,490,000
Size2,840 Square Feet
Bedrooms3
Bathrooms3
Garage1
Year built1999
TypeCondominium
StatusFor Sale
HOA$3,200 / mo
Price / Square Feet$1,229
Location
430 Grand Bay Dr # 708, Key Biscayne FL 33149
Estimate your payment
$
Est. monthly payment
—
per month
Principal & interest—
Property tax (est.)—
HOA$3,200
Down (20%)—
Estimate only — not a Loan Estimate, pre-approval, or commitment. Taxes, insurance & HOA vary. Confirm with a licensed lender.
Questions, answered
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List your rental →Listing data © MIAMI MLS · IDX information deemed reliable but not guaranteed · 45 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.