$23,500,000
Sold · July 6, 2026
5 Harbor Point
Key Biscayne, FL 33149
MATHESON ESTATES
Explore the area: Key Biscayne homes for sale · Miami Dade County real estate
Sale Summary
What this home sold for
- Sold price
- $23,500,000
- Vs. list price
- 9.6% under
- Days on market
- 111
- Price per sq ft
- $2,151
This 3-bedroom single-family home in ZIP 33149 sold for $23,500,000 on July 6, 2026. That was 9.6% below its final list price of $26,000,000. It spent 111 days on the market.
Listing Snapshot
- Sold Price
- $23,500,000
- Sold On
- July 6, 2026
- Days on Site
- 111 Days
- Bedrooms
- 3
- Total Baths
- 6
- Full Baths
- 4
- Partial Baths
- 2
- Living Area
- 10,926 sqft
- Total Sq Ft
- 10,926 sqft
- Lot Size
- 0.66 Acres
- Year Built
- 1954
- Property Type
- Single Family
- MLS #
- A11921513
- Property Tax
- $59,191 (2024)
- Subdivision
- MATHESON ESTATES
- Development
- MATHESON ESTATES
- County
- Miami Dade
- Status
- Sold
- Special Conditions
- Listed As Is
About This Property
A once-in-a-generation opportunity on Key Biscayne’s only private waterfront road, this extraordinary estate spans 28,800 square feet with 120 feet of pristine water frontage, a secluded sandy beach, and a private dock framing panoramic views of the Miami skyline. Offering 10,926 square feet of living space, the property delivers exceptional privacy alongside a striking contemporary design recognized as part of the esteemed Rosa de la Cruz Collection. Soaring 20-foot ceilings, sculptural architectural lines, and expansive, light-filled interiors create a dramatic backdrop for art, entertaining, or a visionary reimagining tailored to your lifestyle. A truly rare canvas in an irreplaceable location, with architectural plans available to transform it into the most exceptional residence in Key Biscayne.
MLS media linkGeneral Features
- Property Type
- Single Family
- Status
- Sold
- Year Built
- 1954
- Property Condition
- Resale
- Number of Stories
- 2
- Levels
- Two
- Garage Spaces
- 0
- Parking
- Circular Driveway / Driveway / Paver Block
- Direction Faces
- Southwest
- Lot Size (Acres)
- 0.66
- Living Sq Ft
- 10,926
- Total Sq Ft
- 10,926
- Sewer
- Public Sewer
- Water Source
- Public
- Zoning
- 2000
Interior Features
- Appliances
- Dryer / Dishwasher / Electric Range / Electric Water Heater / Disposal / Refrigerator / Washer
- Cooling
- Central Air / Electric
- Heating
- Central / Electric
- Flooring
- Ceramic Tile / Marble
- Interior Features
- Built In Features / Bedroom On Main Level / Breakfast Area / Bathtub / Dining Area / Separate Formal Dining Room / Entrance Foyer / Eat In Kitchen / High Ceilings / Main Level Primary / Soaking Tub / Separate Shower / Tub Shower / Vaulted Ceilings
- Windows
- Bay Windows
Exterior Features
- Construction
- Block
- Roof
- Barrel / Flat
- Exterior Features
- Balcony / Outdoor Living Area / Room For Pool
- Patio & Porch
- Open / Balcony
- Lot Features
- Sprinklers Automatic
- Waterfront
- Yes
- Waterfront Features
- Beach Access / Bayfront / Deeded Access / No Fixed Bridges / Ocean Front
- Frontage Length
- 0.00 ft
- View
- Bay / Beach / Garden
Community & HOA
- Association Amenities
- None
- Security
- Smoke Detectors
- Pets Allowed
- Pet Restrictions / Yes
- Financing Terms
- Cash / Conventional
- Restrictions
- No Truck / No Trailer Parking
- MLS Area
- 2520
Schools
- Elementary School
- Key Biscayne K-8
- Middle School
- Ponce De Leon
- High School
- Coral Gables
About the Area
Browse Key Biscayne homes for sale across every neighborhood and price point in Miami-Dade. Available homes span single-family, townhome, and condo segments throughout the city. Key Biscayne includes gated golf communities, 55+ active adult neighborhoods, waterfront estates, and newer master-planned subdivisions. HOA fees vary by community type, from modest maintenance fees in non-gated subdivisions to higher dues in full-amenity country clubs. The city sits within Miami-Dade, offering access to South Florida beaches, major employment centers, and healthcare hubs. For current Miami-Dade market data, see Florida Realtors' monthly statistics. Browse the latest Key Biscayne listings below. Then connect with a Pure Equity agent to schedule a private showing.
- Homes for Sale
- 141
- Under Contract
- 28
- Median List Price
- $2,650,000
- Median Sale Price (September)
- $1,630,000
- Median $/Sq Ft
- $1,161
- Avg Days on Market
- 130
Frequently Asked Questions
- How do I schedule a tour of 5 Harbor Point, Key Biscayne, FL 33149?
- Use the Tour button on this listing to request a showing of 5 Harbor Point, Key Biscayne, FL 33149. Pick a day and time and choose an in-person or video-chat tour, and a Pure Equity agent will confirm your visit, often the same day.
- Is 5 Harbor Point, Key Biscayne, FL 33149 still available?
- 5 Harbor Point, Key Biscayne, FL 33149 is currently listed as Sold, and has been on the market 111 days. Status updates directly from the MLS as homes go under contract, so ask us to confirm availability before you plan a visit.
- How much is the monthly payment for 5 Harbor Point, Key Biscayne, FL 33149?
- With 20% down ($5,200,000) on the $26,000,000 list price and a 30-year fixed loan at an illustrative 6.875% rate, the estimated principal & interest for 5 Harbor Point, Key Biscayne, FL 33149 is about $136,641/mo, before property taxes, insurance. Use the payment estimate on this page to adjust the down payment and rate.
- How do I get pre-approved to buy 5 Harbor Point, Key Biscayne, FL 33149?
- Getting pre-approved shows sellers you're a serious buyer and clarifies your true budget before you offer on 5 Harbor Point, Key Biscayne, FL 33149. Contact Pure Equity and we'll connect you with a trusted local lender to review your financing options, no obligation.
- What schools serve 5 Harbor Point, Key Biscayne, FL 33149?
- 5 Harbor Point, Key Biscayne, FL 33149 is zoned for Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments and boundaries can change year to year, so confirm current zoning with the local school district before you buy.
- Can I negotiate the price of 5 Harbor Point, Key Biscayne, FL 33149?
- Often, yes. The right offer on 5 Harbor Point, Key Biscayne, FL 33149 depends on how it's priced against comparable single family sales in Key Biscayne, how long it's been listed, and how motivated the seller is. Pure Equity will run the comps and help you craft a competitive, well-supported offer.
Listing courtesy of BHHS EWM Realty
Listing information is provided by BeachesMLS, Inc.and is deemed reliable but not guaranteed accurate by the MLS or Pure Equity. Information is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties. © 2026 BeachesMLS, Inc. Last updated July 1, 2026.
$23,500,000
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Listed by Giulietta Ulloa, BHHS EWM Realty
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Recent Sales
Recently sold homes in ZIP 33149
These are the last 6 recorded closings in ZIP 33149, with the price each home actually sold for rather than what it was listed at. They closed at a median of $1,880 per square foot. The most recent closed on October 5, 2026. Closed sales are what an appraiser and a buyer's agent will look at, so they are the starting point for pricing a home here.
Sold$7,767,500
Sold · October 5, 2026
165 Hampton Lane
6 bed · 8.5 bath · 3,842 sqft · $2,022/sqft
$482,500 under the asking price
Sold$1,000,000
Sold · October 1, 2026
455 Grand Bay Drive 717
0 bed · 1 bath · 532 sqft · $1,880/sqft
$88,000 under the asking price
Sold$1,660,000
Sold · September 30, 2026
613 Ocean Drive 5D
2 bed · 2 bath · 1,496 sqft · $1,110/sqft
$110,000 under the asking price
Sold$2,800,000
Sold · September 28, 2026
738 Fernwood Road
3 bed · 2 bath · 1,312 sqft · $2,134/sqft
$75,000 under the asking price
Sold$3,400,000
Sold · September 28, 2026
791 Crandon Boulevard 603
2 bed · 2.5 bath · 2,605 sqft · $1,305/sqft
$195,000 under the asking price
Sold$1,115,000
Sold · September 25, 2026
181 Crandon Boulevard 308
3 bed · 2 bath · 1,720 sqft · $648/sqft
$35,000 under the asking price
See every recorded sale in ZIP 33149 or find out what your ZIP 33149 home is worth.






