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$7,599,000
· $1,909/sqft · Est. $49,818/mo
6 bd · 6 ba + 2 half · 3,980 sqft · 0.18 acres (8,039 sqft) · 27 days on market · MLS# A12107414
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Listing details for 315 Cypress Dr, Key Biscayne, FL 33149: New Construction (2023) in the heart of Key Biscayne, this 6-bedroom, 6-full and 2-half bath residence offers 4,050 SqFt of true island living. An elegant waterfall feature welcomes you at the entry. Inside, an Italian-designed kitchen with Sub-Zero and Wolf appliances anchors the home, and floor-to-ceiling drapery frames every room. Outdoors, a resort-style pool with a beach entry sits within lush greenery beside a full outdoor kitchen, made for effortless entertaining. The home is built to an exceptional standard of construction, is offered partially furnished, and includes two carport spaces. Moments from the beach, parks, fine dining, and Key Biscayne's top-rated schools, the residence pairs timeless design and exclusivity with an unparalleled island lifestyle.
Bedrooms
6
Bathrooms
6 full · 2 half
Square Feet
3,980
Year Built
2023
Lot
0.18 acres (8,039 sqft)
Garage
—
HOA
No
Taxes (2026)
$80,965
MLS# A12107414 · Source: MIAMI + RWorld · Updated Nov 12, 2026
Tropical Isle Homes Sub 4 is a neighborhood in Key Biscayne. Census median home value is $1,246,268.
Estimated monthly
30-yr fixed
$49,818
/mo
$7,599,000 · 20% down · 7.25%
Principal & interest
$41,487
Property taxes
$6,747
Home insurance
$1,583
Home price
$7,599,000
Down payment
$1,519,800 · 20%
Interest rate
7.25%
Estimates only. Actual costs vary by lender, credit score, and market conditions.
315 Cypress Dr, Key Biscayne, FL 33149 is currently listed at $7,599,000. That works out to approximately $1,909 per square foot.
This property features 6 bedrooms, 6 full and 2 half bathrooms, 3,980 sq ft of living space.
The most recent tax bill for 315 Cypress Dr, Key Biscayne, FL 33149 is $80,965/yr (~$6,747/mo). Florida primary residents may qualify for a homestead exemption that reduces this amount.
Based on current MLS data, no HOA fee is listed for this property. We recommend confirming with the seller's disclosure or your agent, as some communities charge fees not reflected in MLS.
315 Cypress Dr, Key Biscayne, FL 33149 is located in Key Biscayne, FL 33149. School assignments are set by the county school board and can change. Verify with the county school district before enrolling.
At $7,599,000, this home is listed 510% above the Tropical Isle Homes Sub 4 census median home value of $1,246,268. Actual sale price is set by negotiation.
Explore more information about the area, neighborhood, and property types
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Listed By: Lifestyle International Realty · 754.217.8754

All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright ©2026 BeachesMLS, Inc.
Listing information is provided in part by the MIAMI + RWorld Internet Data Exchange program. IDX information is provided exclusively for consumers' personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by the MLS. Data last updated Nov 15, 2026 9:57 AM. Equal Housing Opportunity.
To report inaccurate listing data, email andy@mandelteam.com or call (954) 610-0563. Inaccurate information is corrected within two business days, and within 48 hours for registered users.
Concrete
2023
| Date | Event | Price | Change | $/Sq Ft | Source |
|---|---|---|---|---|---|
| Oct 16, 2026 | Listed for Sale | $7,599,000 | — | $1,909 | MIAMI + RWorld |
| May 15, 2023 | Sold | $6,225,000 | 97% of asking | $1,564 | MIAMI + RWorld |
| Mar 29, 2023 | Listed for Sale | $6,450,000 | — | $1,621 | MIAMI + RWorld |
| Jan 15, 2021 | Sold | $1,400,000 | 97% of asking | $352 | MIAMI + RWorld |
| Nov 29, 2020 | Listed for Sale | $1,450,000 | — | $364 | MIAMI + RWorld |
Single-family homes in ZIP 33149
Compare Against
Buyer's market or seller's market?
Listed at $7,599,000 vs. the $4,950,000 median in ZIP 33149, at $1,909/sqft vs. $1,538/sqft, and on the market 27 days vs. a median of 96.
Buyer's market · 7.4 months of supply
37
Homes For Sale Now
53
Sold In Last 12 Months
5
Cut Price In Last 30 Days
93.3%
Median Sold Vs. Asking
What this means for you: Buyers have room to negotiate. Homes are taking longer to sell, and a price at or below the median per square foot is realistic.
Price per sqft vs. recent sales
Listed 24% above the median sold price per sqft for similar homes here.
Similar single-family homes sold in the last 6 months · 16 salesMedian Sold Price
$4,950,000
+38.5% vs. last year
Median Sold $/Sq Ft
$1,538
+10.1% vs. last year
Sold Vs. Asking
93.3%
91.3% of original list price
Median Days to Sell
96
Was 93 a year ago
Median sold price per sqft
3-month rolling · $1,273 to $1,950
In ZIP 33149. This list stays on the tightest city market with at least 3 sales.
Home
Sold Price
Sold
Days on Market
5 Bd · 5.5 Ba · 4,003 Sqft
$5,790,000
$1,446/sqft
Oct 2026
151
5 Bd · 5.5 Ba · 3,688 Sqft
$6,400,000
$1,735/sqft
Oct 2026
17
5 Bd · 4 Ba · 2,821 Sqft
$3,800,000
$1,347/sqft
Oct 2026
141
6 Bd · 8.5 Ba · 3,842 Sqft
$7,767,500
$2,022/sqft
Oct 2026
90
3 Bd · 2 Ba · 1,312 Sqft
$2,800,000
$2,134/sqft
Sep 2026
403