MATHESON ESTATES
7 Harbor Pt, Key Biscayne FL 33149
7 beds · 9.5 baths · 10,776 ft²
$16,500,000
Est. Payment $87,820/mo
7
Bedrooms
9.5
Bathrooms
10,776
Sq. Ft.
2010
Year Built
3
Garage
219
Days on Market
Description
Premier ultimate privacy, breathtaking ocean views, Private Beach & Private Dock, situated on Key Biscayne's most exclusive & sought after street Harbor Point. This ultra-luxury modern Island Fusion residence provides the rare combination offering the fin est in luxury living. Dramatic double height atrium welcoming you to 7 bedrooms, 9.5 bathrooms. Sleek and modern bar in the interior & two story cabana with Nana walls on the gorgeous infinity pool deck provide the optimal entertaining experience.
Facts
- MLS#
- A10807074
- Subdivision
- MATHESON ESTATES
- Property Type
- Residential
- Property Sub Type
- Single Family Residence
- Year Built
- 2010
- Lot Size
- 22,860 ft²
- Sq. Ft.
- 10,776 ft²
- Sq. Mt.
- 1,001 m²
- Price per sq. ft.
- $1,531/ft²
- Price per sq. mt.
- $16,484/m²
- Stories
- —
- Garage
- 3 spaces
- Pool
- —
- Days on Market
- 219 days
- Listed
- Jan 30, 2020
- Last Updated
- Oct 6, 2020
- Price/Lot Sq.Ft.
- $722/ft²
Comparable homes
Same ZIP, similar price + bedrooms.
SOLD$15,950,000
7 bd · 10 ba · 8,307 sqft
880 HARBOR DRIVE, Key Biscayne FL 33149
SOLD$16,500,000
7 bd · 9 ba · 8,928 sqft
350 Harbor Dr, Key Biscayne FL 33149
SOLD$15,500,000
7 bd · 9 ba · 10,875 sqft
460 N Mashta Dr, Key Biscayne FL 33149
SOLD$16,999,000
7 bd · 9 ba · 5,043 sqft
660 S Mashta Dr, Key Biscayne FL 33149
SOLD$18,200,000
8 bd · 11 ba · 11,028 sqft
9 Harbor Point, 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
May 2026
77
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).
| 10/6/2020 | Sold | $16,500,000 |
| 1/30/2020 | Listed for sale | $16,500,000 |
History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).
Location
GreatSchools Summary Ratings
Public + private K-12 schools within 5 miles of this listing.
Henry M. Flagler Elementary SchoolPK,KG,1,2,3,4,5 · public · 0.5 mi
- New Generations Pre-School
PK,KG · private · 0.5 mi
- Bamby's Day Care Center
PK,KG,1,2,3,4,5,UG · private · 0.6 mi
- Kinloch Park Middle School
6,7,8 · public · 0.7 mi
- Acceleration Academies LLC Hialeah
9,10,11,12 · public · 0.8 mi
- Kinloch Park Elementary School
PK,KG,1,2,3,4,5 · public · 0.8 mi
- Discovery Years
PK,KG · private · 1.0 mi
- Us International Christian Academy
9,10,11,12 · private · 1.0 mi
- Fairlawn Elementary School
PK,KG,1,2,3,4,5 · public · 1.3 mi
- Yin Yang Academy
KG,1,2,3,4,5,6 · private · 1.4 mi
Data provided by GreatSchools.org © 2026. All rights reserved.Estimated Monthly Payment
$101,720/mo
Principal & Interest
$87,820
Property Tax
$13,750
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
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