TROPICAL ISLE HOMES SUB 4
290 Harbor Dr, Key Biscayne FL 33149
5 beds · 5 baths · 5,532 ft²
5
Bedrooms
5
Bathrooms
5,532
Sq. Ft.
1954
Year Built
2
Garage
179
Days on Market
Description
A once-in-a-lifetime opportunity awaits with this 20,000 Sq. Ft. waterfront lot located on Key Biscayne, in one of Miami’s most prestigious and sought-after communities. Offering exceptional views of Biscayne Bay and the Miami skyline, the property comes with a private dock and the many outdoor activities and other benefits of a welcoming and comfortable island setting. With great schools, malls, movie theaters, shops, restaurants, and long stretches of sandy beaches minutes away, you will have the best of both worlds, an island life-style only minutes from urban centers. The chance to live on this waterfront property in a haven of peace and calm is now yours!
Facts
- MLS#
- A10928344
- Subdivision
- TROPICAL ISLE HOMES SUB 4
- Property Type
- Residential
- Property Sub Type
- Single Family Residence
- Year Built
- 1954
- Lot Size
- 20,000 ft²
- Sq. Ft.
- 5,532 ft²
- Sq. Mt.
- 514 m²
- Price per sq. ft.
- $2,168/ft²
- Price per sq. mt.
- $23,337/m²
- Stories
- —
- Garage
- 2 spaces
- Pool
- —
- Days on Market
- 179 days
- Listed
- Sep 21, 2020
- Last Updated
- Oct 29, 2021
- Price/Lot Sq.Ft.
- $600/ft²
Comparable homes
Same ZIP, similar price + bedrooms.
SOLD$11,500,000
5 bd · 6 ba · 5,074 sqft
110 Reef Ln, Key Biscayne FL 33149
SOLD$13,250,000
5 bd · 5 ba · 3,620 sqft
640 S Mashta Dr, Key Biscayne FL 33149
SOLD$11,200,000
5 bd · 5 ba · 5,338 sqft
50 Island Dr, Key Biscayne FL 33149
SOLD$10,500,000
5 bd · 6 ba · 4,997 sqft
112 Reef Ln, Key Biscayne FL 33149
SOLD$11,000,000
5 bd · 7 ba · 5,967 sqft
750 S Mashta Dr, Key Biscayne FL 33149
SOLD$11,500,000
6 bd · 6 ba · 6,020 sqft
501 N 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$9,845,000
5 bd · 6 ba · 6,093 sqft
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).
| 10/29/2021 | Sold | $11,995,000 |
| 3/13/2021 | Price change | $11,995,000+9.1% |
| 9/21/2020 | Listed for sale | $10,995,000 |
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
$73,988/mo
Principal & Interest
$63,842
Property Tax
$9,996
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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