TROPICAL ISLE HOMES SUB 4

398 Harbor Dr, Key Biscayne FL 33149

3 beds · 3 baths · 1,806 ft²

Closed

$22,000,000

10.55%

Est. Payment $117,093/mo

MLS Sheet Video

3

Bedrooms

3

Bathrooms

1,806

Sq. Ft.

1952

Year Built

243

Days on Market

Description

Truly a trophy property ready to be developed.The original cottage on this unique 20,933 sq. ft. lot, is nestled among some of the most coveted stately homes of Key Biscayne. It may be lived in while your new house project is ready. Watch the endless parade of boats as they cruise the shimmering waters of Biscayne Bay, or simply enjoy the spectacle of the always changing color palette of Miami Sunsets and night lights. Watch an assortment of marine life stop by to greet you while you lounge in your bayfront backyard.The Key is a short ride away -10 to 15 minutes – from the excitement of Downtown Miami and the Beaches, as well as a 20 minutes ride to Miami International Airport and Miami Executive private airport, yet the Key feels so far away.

Facts

MLS#
A11430953
Subdivision
TROPICAL ISLE HOMES SUB 4
Property Type
Residential
Property Sub Type
Single Family Residence
Year Built
1952
Lot Size
20,933 ft²
Sq. Ft.
1,806 ft²
Sq. Mt.
168 m²
Price per sq. ft.
$12,182/ft²
Price per sq. mt.
$130,952/m²
Stories
Garage
Pool
Days on Market
243 days
Listed
Aug 10, 2023
Last Updated
May 14, 2024
Price/Lot Sq.Ft.
$1,051/ft²

Comparable homes

Same ZIP, similar price + bedrooms.

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

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).

5/14/2024Sold$22,000,000
4/4/2024Price change$22,000,000+10.6%
8/10/2023Listed for sale$19,900,000

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

Location

398 Harbor Dr, 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.

Estimated Monthly Payment

$135,577/mo

Principal & Interest

$117,093

Property Tax

$18,333

Insurance

$150

HOA

$0

20% ($4,400,000)
7.00%
30 years
1.00% (FL avg ~1.0%)
$0/mo
$150/mo

Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.

Rangely Adames

Rangely Adames

Sales Associate | Sunland Group

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