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$3,400,000

  • For Sale
  • Active
  • Condo
  • 3 Beds
  • 4 Full Baths
  • 2,840 Sq. Ft.
  • Updated 3 days ago
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Step off your private elevator into your own foyer and feel instantly at home. This updated, light-filled 3BR + maid's quarters / 4BA offers a wonderfully functional layout - open living and dining area, family room, and a partially open kitchen with snack counter, all flowing to a spacious garden terrace with peaceful green views. Three full ensuite bedrooms. The primary suite is bright and spacious with its own private balcony. Impact windows throughout. Move-in ready. Boutique building. Enjoy Grand Bay's five-star amenities: beach service, pool, fitness center, concierge, valet, tennis and padel courts, and more - all steps from the Ritz-Carlton! Island living at its finest.

Full Property Details for 430 Grand Bay #307

General

  • Price: $3,400,000
  • Taxes: $34,752 (2025)
  • Status: Active
  • Type: Condo
  • Source: Martin_County
  • MLS ID: A11989375
  • Updated: 9/3/2026
  • Added to Site: 165 day(s) ago

Interior

  • Interior Features: Breakfast Bar, Built-in Features, Bathtub, Closet Cabinetry, Dual Sinks, Entrance Foyer, Garden Tub/Roman Tub, Kitchen Island, Living/Dining Room, Sitting Area in Primary, Separate Shower, Stacked Bedrooms
  • Appliances: Dryer, Dishwasher, Electric Range, Disposal, Ice Maker, Microwave, Refrigerator, Washer
  • Flooring: Carpet, Marble

Rooms

Bathrooms

  • Total Bathrooms: 4
  • Full Bathrooms: 4

Bedrooms

  • Total Bedrooms: 3

Additional Information

  • Shared Amenities: Elevator(s)
  • Pool: Yes
  • Pool Description: Community
  • Tennis: Yes
  • Security/Safety: Lobby Secured

Exterior

  • Exterior Features: Balcony
  • Porch/Patio/Deck: Balcony, Open

Parking

  • Garage: Yes
  • Attached garage: Yes
  • Covered Spaces: 1
  • Total Spaces: 1
  • Parking Features: Assigned, Attached, Garage, Valet

Location

  • Area: 2520
  • County: Miami-Dade
  • Subdivision: GRAND BAY TOWER

Community

  • Community Name: 2520
  • Assoc. Fees Include: Common Areas, Hot Water, Parking, Reserve Fund, Sewer, Trash, Water
  • Adult Community: Yes

Heating & Cooling

  • Central air: Yes
  • Air Conditioning: Yes
  • Cooling Type: Central Air
  • Heating Type: Central

Structural Information

  • Construction: Block, Concrete
  • Windows: Blinds, Storm Window(s)
  • Entry Floor Number: 3
  • Elevator: Yes
  • Square Feet: 2,840
  • Living Area: 2,840 Sq. Ft.
  • Year Built: 1999
  • Property Condition: Resale

Lot Features

  • Property View: Garden

Water Features

  • Water Front: Yes
  • Water Front Desc.: Ocean Access, Ocean Front

Financial Considerations

  • Tax Amount: $34,752
  • Tax Year: 2025
  • Terms: Cash, Conventional

Disclosures and Reports

  • Special Conditions: Listed As-Is
  • Legal Description: GRAND BAY TOWER CONDO UNIT 307 UNDIV 0.8037% INT IN COMMON ELEMENTS OFF REC 18893-1027 OR 18943-1522 01 2000 1
  • Property ID: 24-52-05-060-0680

Listed by BHHS EWM Realty

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Listing agents

— 430 Grand Bay #307 —

  • BHHS EWM Realty

  • BHHS EWM Realty

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 430 Grand Bay #307

School District:Dade County School District
NameGradesDistance
Key Biscayne K-8 Center
150 West McIntyre Street, Key Biscayne, FL 33149
PK-50.6 mi
Ponce De Leon Middle School
5801 Augusto Street, Coral Gables, FL 33146
6-87.2 mi
Coral Gables Senior High School
450 Bird Road, Coral Gables, FL 33146
9-127.1 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 430 Grand Bay #307 Get Price Alerts and Save Property

Date
Details
Price
Change
Source
3/25/2026
Listed
$3,400,000
44.68%
MLS
8/26/2016
Sold
$2,350,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 430 Grand Bay #307

Year
Property Taxes
Change
Tax Assessment
Change
2025
$35,828
10%
$2,125,873
-13%
2024
$32,672
—
$2,456,250
—
2023
$32,730
19%
$2,456,250
31%
2022
$27,414
12%
$1,875,000
25%
2021
$24,433
12%
$1,500,000
13%
2019
$21,881
-12%
$1,322,000
-15%
2018
$24,905
-16%
$1,555,092
-15%
2017
$29,554
7%
$1,829,520
10%
2016
$27,502
8%
$1,663,200
20%
2015
$25,531
5%
$1,385,756
10%
2014
$24,371
15%
$1,259,779
10%
2013
$21,116
—
$1,145,254
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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NMLS#: 1598647

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Listed by BHHS EWM Realty

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430 Grand Bay #307, Key Biscayne, FL 33149 (MLS# A11989375) is a Condo property with 3 bedrooms and 4 full bathrooms. 430 Grand Bay #307 is currently listed for $3,400,000 and was received on March 25, 2026. Want to learn more about 430 Grand Bay #307? Do you have questions about finding other Condo real estate for sale in Key Biscayne? You can browse all Key Biscayne real estate or contact a Coldwell Banker agent to request more information.

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