CAPE FLA SUB SEC 2
251 Knollwood Dr, Key Biscayne FL 33149
6 beds · 8 baths · 8,818 ft²
6
Bedrooms
8
Bathrooms
8,818
Sq. Ft.
1968
Year Built
4
Garage
124
Days on Market
Description
Peninsular ¾ acre estate on a tranquil cul-de-sac with 327 feet of waterfront views behind a 10 ft tall iron gate provides resort-style privacy minutes-walk from sandy beaches, shopping and dining. The 6BR/8BA Mediterranean residence features an upstairs Master with bayfront balcony overlooking a deep-water swimming pool. Wood-paneled office & den downstairs tempt you to work from home. Epicurean kitchen with hand-carved artisan cabinets, Sub Zero appliances, LaCornue range, pizza oven and rotisserie, beckons entertaining for 50+. The 8,800sf two-story residence on a 31,000sf waterfront lot with 4-car garages, 15+ car driveway, porte-cochere and dockage for a 70+ ft yacht plus tender plus jet skis with no bridges to Biscayne Bay & Atlantic Ocean will entice boat and car enthusiasts alike.
Facts
- MLS#
- A11267534
- Subdivision
- CAPE FLA SUB SEC 2
- Property Type
- Residential
- Property Sub Type
- Single Family Residence
- Year Built
- 1968
- Lot Size
- 30,970 ft²
- Sq. Ft.
- 8,818 ft²
- Sq. Mt.
- 819 m²
- Price per sq. ft.
- $1,463/ft²
- Price per sq. mt.
- $15,751/m²
- Stories
- —
- Garage
- 4 spaces
- Pool
- —
- Days on Market
- 124 days
- Listed
- Sep 2, 2022
- Last Updated
- Jan 17, 2023
- Price/Lot Sq.Ft.
- $417/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
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).
| 1/17/2023 | Sold | $12,900,000 |
| 11/29/2022 | Price change | $12,900,000-11.0% |
| 9/2/2022 | Listed for sale | $14,500,000 |
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.
A Small World Learning Center IVPK,KG,1,2 · private · 0.2 mi
- Hialeah Harvest Private School
PK,TK,KG,1,2,3,4,5,6,7,8,9 · private · 0.2 mi
- Growing Treasures Learning Center 3
PK,TK,KG · private · 0.4 mi
- Growing Treasures Learning Center 3
PK,KG,1 · private · 0.4 mi
- Flamingo Elementary School
PK,KG,1,2,3,4,5 · public · 0.4 mi
- Kids Love #2
PK,KG · private · 0.4 mi
- Kids Area Learning Center
PK,KG · private · 0.4 mi
- Thumbelina Learning Center 2
KG,1,2,3 · private · 0.5 mi
- Thumbelina Learning Center 2
PK,KG · private · 0.5 mi
- La Scala Preschool Learning Center
PK,KG,1 · private · 0.6 mi
Data provided by GreatSchools.org © 2026. All rights reserved.Estimated Monthly Payment
$79,559/mo
Principal & Interest
$68,659
Property Tax
$10,750
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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