MATHESON ESTATES,MATHESON STATES

9 Harbor Pt, Key Biscayne FL 33149

8 beds · 8.5 baths · 11,028 ft²

For Sale · Active Listing

$150,000

25.00%

Est. Payment $798/mo

MLS Sheet Video

8

Bedrooms

8.5

Bathrooms

11,028

Sq. Ft.

2006

Year Built

2

Garage

3

Stories

352

Days on Market

Description

Nestled on one of Key Biscayne’s most exclusive streets, this breathtaking Bali-style oceanfront estate is the epitome of island luxury. Set on a 27,000 SF lot with 11,000+ SF of impeccably designed interiors, this home offers an unparalleled blend of sophistication & serenity. With 8BR/8BA/3HB, a private gym, movie theater & separate guest apartment, this home is designed for ultimate comfort & entertaining. Indoor/outdoor spaces flow seamlessly, embracing lush landscapes & stunning Biscayne Bay & Miami skyline views. Step directly into the ocean from your backyard, unwind on expansive terraces, or relax by the resort-style pool. A rare island haven offering true waterfront living.

Facts

MLS#
A11774784
Subdivision
MATHESON ESTATES,MATHESON STATES
Property Type
Residential Lease
Property Sub Type
Single Family Residence
Year Built
2006
Lot Size
27,300 ft²
Sq. Ft.
11,028 ft²
Sq. Mt.
1,025 m²
Price per sq. ft.
$14/ft²
Price per sq. mt.
$146/m²
Stories
3
Garage
2 spaces
Pool
Private
Days on Market
352 days
Listed
Apr 1, 2025
Last Updated
Mar 19, 2026
Price/Lot Sq.Ft.
$5/ft²

Market insights for Key Biscayne

Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.

Sellers market

May 2026

100/100
Buyers marketSellers market

29

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).

3/19/2026Price change$150,000+25.0%
4/1/2025Listed for sale$120,000

History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).

Location

9 Harbor Pt, Key Biscayne FL 33149Directions

GreatSchools Summary Ratings

Public + private K-12 schools within 5 miles of this listing.

GreatSchoolsData provided by GreatSchools.org © 2026. All rights reserved.

Affordability

What you'd typically need to qualify for this rental under the standard 30% rule.

$500,000

gross income / month to qualify

Monthly rent$150,000
Required annual income$6,000,000
Security deposit (est.)$150,000
Move-in cost (1st + last + security)$450,000

Based on the 30% rule (rent ≤ 30% of gross monthly income). Move-in estimate assumes first month + last month + one month security; landlord requirements vary.

Rangely Adames

Rangely Adames

Sales Associate | Sunland Group

Hablo Español

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