Cape Fla Sec 01
900 HARBOR DRIVE, Key Biscayne FL 33149
6 beds · 6.5 baths · 6,373 ft²
6
Bedrooms
6.5
Bathrooms
6,373
Sq. Ft.
1960
Year Built
101
Days on Market
Description
Incredible location on prestigious Harbor Drive with stunning and captivating views of the Harbor and Bay. This wonderful waterfront property sits on 20,300 Sq Ft with 100 feet on the water and a magnificent dock which makes it the perfect boater’s dream and paradise. This elegant and graceful residence has been remodeled several times with a fantastic master suite on the first floor, plus 4 in-suite bedrooms, staff quarters, powder room, formal living and dining, private kitchen and an amazing patio and pool area with a lovely gazebo for those who like to entertain. Rare opportunity to own one of the most desired addressed on paradise island “Key Biscayne” and enjoy the community and family lifestyle. Property is tenant occupied.
Facts
- MLS#
- A11089707
- Subdivision
- Cape Fla Sec 01
- Property Type
- Residential
- Property Sub Type
- Single Family Residence
- Year Built
- 1960
- Lot Size
- 20,300 ft²
- Sq. Ft.
- 6,373 ft²
- Sq. Mt.
- 592 m²
- Price per sq. ft.
- $2,236/ft²
- Price per sq. mt.
- $24,071/m²
- Stories
- —
- Garage
- —
- Pool
- —
- Days on Market
- 101 days
- Listed
- Oct 29, 2021
- Last Updated
- Jul 25, 2022
- Price/Lot Sq.Ft.
- $702/ft²
Comparable homes
Same ZIP, similar price + bedrooms.
SOLD$12,950,000
6 bd · 6 ba · 5,191 sqft
945 Mariner Drive, Key Biscayne FL 33149
SOLD$14,995,000
6 bd · 6 ba · 4,414 sqft
470 W Matheson Dr, Key Biscayne FL 33149
SOLD$13,500,000
6 bd · 6 ba · 6,985 sqft
890 HARBOR DRIVE, Key Biscayne FL 33149
SOLD$14,850,000
7 bd · 7 ba · 6,490 sqft
610 S Mashta Dr, Key Biscayne FL 33149
SOLD$13,870,000
5 bd · 6 ba · 8,435 sqft
445 Grand Bay Dr # 1A, Key Biscayne FL 33149
SOLD$14,900,000
5 bd · 6 ba · 7,004 sqft
260 Harbor Dr, Key Biscayne FL 33149
SOLD$14,950,000
7 bd · 7 ba · 3,890 sqft
4 Harbor Point, Key Biscayne FL 33149
$16,500,000
6 bd · 7 ba · 7,103 sqft
131 Cape Florida Dr, 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
October 2026
59
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).
| 7/25/2022 | Sold | $14,250,000 |
| 11/2/2021 | Price change | $14,250,000+5.6% |
| 10/29/2021 | Listed for sale | $13,500,000 |
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
$87,869/mo
Principal & Interest
$75,844
Property Tax
$11,875
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 $14,250,000.
631 N Mashta Drive, Key Biscayne FL 33149
350 Ocean Dr, Key Biscayne FL 33149
110 Reef Ln # 10, Key Biscayne FL 33149
31 Island Dr, Key Biscayne FL 33149
640 S Mashta Dr, Key Biscayne FL 33149
131 Cape Florida Dr, Key Biscayne FL 33149