$19,450,000list price
Price cut$500,000
6 bd · 6.5 ba · 6,208 sq ft House
120 KNOLLWOOD DR #33149, KEY BISCAYNE, FL 33149
Listing courtesy of Cervera Real Estate Inc.. MLS# A12009875.On the MLS · Listed Apr 28
$19,450,000
550 HARBOR DR #33149, KEY BISCAYNE, FL 33149
7 beds7.5 baths6,497 sq ftHouseBuilt 2003
Updated today, November 3, 2026This home against Key Biscayne
$2,994 per sq ft, 146% over the Key Biscayne median
13 days on the market
$117,717 in property taxes (2025)
23,087 sq ft lot
Private pool
Waterfront
4 car garage
Key Biscayne today: 129 homes for sale, median list price $2,725,000.
About this home
Enjoy Paradise Found on the exclusive island of Key Biscayne This extraordinary 7,000sqft waterfront estate sits on a rare double lot located on Hurricane Harbor overlooking tranquil Manatee Lagoon. The property offers an unparalleled sanctuary of luxury and seclusion with features including a 4 car garage ideal for collectors, professionally landscaped yard well suited for outdoor entertaining, 7 bedrooms and 7.5 baths including live-in staff quarters. Expansive living areas flow seamlessly to large outdoor, covered porches becoming your al fresco living room for outdoor dining or relaxing and soaking in the beauty of the natural environment as dolphins and manatees swim in your backyard. As the sun hits the horizon, the afterset lights up the sky illuminating the clouds in a breathtaking array of tropical colors. Text listing agent. 24hr noticeThis offering is a double lot sale of 550&570 Harbor
Zoned schools
Elementary: Key Biscayne K-8 Center
Middle: Ponce de Leon Middle School
High: Coral Gables Senior High School
From Miami-Dade County Public Schools attendance zones.
Listing courtesy of Three Bridges Realty, LLC. MLS# A12111835.
Listing information is provided by the MLS and is deemed reliable but not guaranteed.
Listed October 21, 2026.
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