GRAND BAY TOWER CONDO
430 Grand Bay Dr # 307, Key Biscayne FL 33149
3 beds · 4 baths · 2,840 ft²
$3,400,000
Est. Payment $18,096/mo
3
Bedrooms
4
Bathrooms
2,840
Sq. Ft.
1999
Year Built
1
Garage
12
Stories
132
Days on Market
Description
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.
Facts
- MLS#
- A11989375
- Subdivision
- GRAND BAY TOWER CONDO
- Property Type
- Residential
- Property Sub Type
- Condominium
- Year Built
- 1999
- Lot Size
- 0 sqft
- Sq. Ft.
- 2,840 ft²
- Sq. Mt.
- 264 m²
- Price per sq. ft.
- $1,197/ft²
- Price per sq. mt.
- $12,879/m²
- Stories
- 12
- Garage
- 1 spaces
- Pool
- —
- Days on Market
- 132 days
- Listed
- Mar 25, 2026
- Last Updated
- Aug 4, 2026
- Price/Lot Sq.Ft.
- —
Comparable homes
Same ZIP, similar price + bedrooms.
$3,340,000
3 bd · 3 ba · 2,510 sqft
791 Crandon Blvd # 302, Key Biscayne FL 33149
SOLD$3,299,000
3 bd · 3 ba · 3,120 sqft
881 Ocean Dr # 13H, Key Biscayne FL 33149
SOLD$3,100,000
3 bd · 5 ba · 2,500 sqft
785 Crandon Blvd # 603, Key Biscayne FL 33149
$3,549,000
3 bd · 3 ba · 2,510 sqft
791 Crandon Blvd # 404, Key Biscayne FL 33149
$3,750,000
3 bd · 4 ba · 2,510 sqft
799 Crandon Blvd # 605, Key Biscayne FL 33149
$3,595,000
3 bd · 3 ba · 3,120 sqft
881 Ocean Dr # 7H, Key Biscayne FL 33149
$3,600,000
3 bd · 3 ba · 2,412 sqft
200 Ocean Lane Dr # 401, Key Biscayne FL 33149
SOLD$3,200,000
3 bd · 3 ba · 2,470 sqft
747 Crandon Blvd # 409, Key Biscayne FL 33149
Market insights for Key Biscayne
Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.
Sellers market
August 2026
49
Median days to sold
+4.5%
1-year price forecast (est.)
Price & tax history
From the live MIAMI MLS feed. Older history requires the ListingHistory resource (not yet enabled).
| 3/25/2026 | Listed for sale | $3,400,000 |
History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).
Location
Estimated Monthly Payment
$21,080/mo
Principal & Interest
$18,096
Property Tax
$2,833
Insurance
$150
HOA
$0
Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.
The data relating to real estate for sale on this website comes in part from the Southeast Florida Multiple Listing Service. MLS Data is deemed reliable, but is not guaranteed accurate by MIAMI REALTORS®.
Accuracy of listing information is not guaranteed. Listing information is provided for personal consumer, non-commercial use, solely to identify potential properties for potential purchase. All other use is strictly prohibited and may be a violation of federal and state law.
Copyright Southeast Florida MLS a/k/a SEFMLS © 2026.
Updated within 24 hours
Similar listings nearby
More homes in Key Biscayne around $3,400,000.
151 Crandon Blvd # 345, Key Biscayne FL 33149
881 Ocean Dr # 16F, Key Biscayne FL 33149
350 Ocean Dr # 205N, Key Biscayne FL 33149
209 E Enid Dr # 36, Key Biscayne FL 33149
600 Grapetree Dr, Key Biscayne FL 33149
691 Ridgewood Rd, Key Biscayne FL 33149