345 Harbor Ct, Key Biscayne, FL 33149
OFF MARKET

345 Harbor Ct
Key Biscayne, FL 33149

  • 5 Beds
  • 4.5 Baths
  • 4,021 sqft

$4,929,400

Trulia Estimate
as of Aug 21, 2026
Est. Refi. Payment $32,767/mo*

$4,929,400

Trulia Estimate
as of Aug 21, 2026
Est. Refi. Payment $32,767/mo*
5 Beds
4.5 Baths
4,021 sqft

Home Value

Trulia Estimate
$4.93M
Since last month
Increased$58K (+1.2%)
Since last year
Increased$765K (+18.2%)
Since last sale
Increased$726K (+17.1%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +101% in the last 10 years
MonthEstimated value
2026
August 2026$4.98M
July 2026$4.92M
June 2026$4.99M
May 2026$4.89M
April 2026$4.83M
March 2026$4.76M
February 2026$4.68M
January 2026$4.47M
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
0.15
Single-Family Home
$4,600,000
10/10/25
5
5.5
4,089
0.17
Single-Family Home
$4,400,000
04/08/26
5
5
3,230
0.10
Single-Family Home
$6,275,000
12/11/25
5
5.5
3,525
0.25
Single-Family Home
$4,475,000
04/10/26
4
3.5
3,666
0.35
Single-Family Home
$3,700,000
01/27/26
5
5
3,962
0.27
Single-Family Home
$5,220,000
10/01/25
6
6
3,737
0.31
Single-Family Home
$5,265,000
12/03/25
5
6
3,791

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
0.04
$3,405,400
4
3.5
2,430
Off Market
0.06
$4,692,500
5
6.5
3,650
Off Market
0.08
$3,206,800
4
3
1,570
Off Market
0.06
$3,000,000
3
2
1,304
Recently Sold
0.11
$30,930,300
6
7.5
7,178
Off Market
0.08
$4,728,500
4
5
3,284
Off Market
0.08
$7,357,200
6
6.5
5,531
Off Market
0.12
$2,800,000
3
2
1,403
Recently Sold
0.10
$6,275,000
5
5.5
3,525
Recently Sold
0.15
$7,450,000
7
8
4,565
For Sale
0.10
$3,408,300
6
4.5
3,001
Off Market

Local Information

  • Map ViewExplore the area around 345 Harbor Ct.
  • Schools2 Preschool Schools1 Elementary School2 Middle Schools1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1956
Living Area
4,021 sqft
Price/Sqft
$1,226
Parking
Open Parking

About this House

Contact Listing Agent for further information
345 Harbor Ct, Key Biscayne, FL 33149 is a 5 bedroom, 5 bathroom, 4,021 sqft single-family home built in 1956. It last sold for $4,250,000 on May 21, 2024 (9% below the $4,650,000 asking price). It is currently off market. The Trulia Estimate is $4,929,400, with a rent estimate of $22,821/month.
Last check for updates: about 23 hours ago
Listed by Dora Puig, (305) 873-4919
Luxe Living Realty
Maria Gomez, (786) 253-7315
Luxe Living Realty
Bought with: Alexander Maddalozzo, (305) 790-0196, London Real Estate Co.
Originating MLS: A-Miami Association of REALTORS
Source: MIAMI, MLS#A11337838

Home Details for 345 Harbor Ct

Interior Features

Beds & Baths
Number of Bedrooms: 5Number of Bathrooms: 5Number of Bathrooms (full): 4Number of Bathrooms (half): 1
Dimensions and Layout
Living Area: 4021 Square Feet
Appliances & Utilities
Appliances: DishwasherDishwasher
Heating & Cooling
Heating: CentralHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Central
Windows, Doors, Floors & Walls
Window: Clear Impact GlassFlooring: Tile
Levels, Entrance, & Accessibility
Stories: 2Entry Location: First Floor EntryFloors: Tile
View
Has a ViewView: Pool, River

Exterior Features

Exterior Home Features
Roof: ConcreteExterior: BarbecueHas a Private Pool
Parking & Garage
Number of Carport Spaces: 2Number of Covered Spaces: 2No GarageHas Open ParkingParking Spaces: 2Parking: Other,On Street
Pool
Pool: In Ground, Other, Pool OnlyPool
Frontage
Not on Waterfront
Water & Sewer
Sewer: Public Sewer
Farm & Range
Not Allowed to Raise Horses
Surface & Elevation
Elevation Units: Feet

Property Information

Year Built
Year Built: 1956
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family ResidenceStructure Type: House, DetachedArchitecture: Modern/Contemporary
Building
Building Name: Tropical Isle Homes Sub 4Construction Materials: Block
Property Information
Usage of Home: PrimaryParcel Number: 2442320063160

Price & Status

Price
List Price: $4,650,000
Status Change & Dates
Off Market Date: Tue Apr 16 2024Possession Timing: Negotiable, Other

Active Status

MLS Status: Closed

Location

Direction & Address
City: Key BiscayneCommunity: Tropical Isle Homes Sub 4

Community

Community Features: Boating

HOA

Association for this Listing: A-Miami Association of REALTORSNo HOA

Lot Information

Lot Area: 8000 sqft

Offer

Contingencies: Pending InspectionsListing Terms: All Cash, Conventional

Miscellaneous

Mls Number: A11337838Water ViewWater View: River

Additional Information

BoatingSource Internet Entire Listing Display

Price and Tax history

DateEventPrice
May 21, 2024
Source: MIAMI #A11337838
Sold
$4,250,000
Apr 16, 2024
Source: MIAMI #A11337838
Pending
$4,650,000
Mar 26, 2024
Source: MIAMI #A11337838
Contingent
$4,650,000
Jan 10, 2024
Source: MIAMI #A11337838
PriceChange
$4,650,000
Price decreased by 6%
Aug 9, 2023
Source: MIAMI #A11337838
PriceChange
$4,950,000
Price decreased by 5%

Market trends in Key Biscayne

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$1.56M
$26.67K
MoM
Sale-to-List Price
94.6%
Price per sq ft
$981
$37
MoM
Available listings
144
15
MoM

Around this home

The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

What Locals Say about Key Biscayne

At least 116 Trulia users voted on each feature.
  • 94 % Say it's walkable to grocery stores

  • 94 % Say kids play outside

  • 90 % Say it's dog friendly

  • 90 % Say it's walkable to restaurants

  • 86 % Say people would walk alone at night

  • 86 % Say there are sidewalks

  • 79 % Say it's quiet

  • 79 % Say there's holiday spirit

  • 76 % Say they plan to stay for at least 5 years

  • 68 % Say parking is easy

  • 67 % Say streets are well-lit

  • 60 % Say there are community events

  • 58 % Say neighbors are friendly

  • 54 % Say yards are well-kept

  • 52 % Say there's wildlife

  • 50 % Say car is needed

Sourced by Trulia users. Learn more about our methodology.
  • Othoniel Marlieri
    "Key Biscayne os a perfect place to leave, but need more attention about basic things like a Super Market and safe environment. "
  • Mariafedc
    "There are lots of places that are dog friendly. There’s a dog park. Many dog owners live in the area. "
  • Lladom
    "Very safe and friendly community. Excellent for growing up kids. Traffic is the downside. Best town in South Florida by large."
  • Ericazc
    "Christmas, 4th of July, and many other beautiful family events happens in the island. Great place for the kids. "
  • Deborah B.
    "Have been spending winters here for 53 years. Love the family focus, beautiful beaches and public amenities. Thoughtful services like free Freebee pick ups and transportation to shopping make the Key accessible for teens to seniors. "
  • Mati P.
    "Its beautiful, peaceful and safe. I feel great living here. It’s lush, people are friendly, and respectful. It’s a great place to raise a family. The community is very pretty, Gardenia are manicured. There’s beautiful beaches and gorgeous homes. The school is pretty good as well. "
  • Ayishamartins
    "Some places do not allow dogs but there is a dog park weather like a bunch of dogs and mostly it’s pretty nice"
  • Mati P.
    "This is a safe neighborhood, kids walk by themselves all the time. It makes me feel safe to life here. "
  • Luis D.
    "Halloween’s decoration and fully of events in that day. Many sports in Village green. The community center has many events for all the family "
  • Adrian.grottola
    "Very friendly for pets (dogs) with great special spaces for them and many dog walkers in the island."
  • Mathew P.
    "The unity and the sense of community. The safety and sense of family oriented households that attribute to a beautiful place to live. "
  • Ivan M.
    "Save and quite perfect place for a family. There are as a public transportation electric’s cars around the island. "
  • Mayra
    "Great neighborhood! They celebrate Halloween, Christmas, Easter and much more! A lot of activities and sports for kids"
  • Efrao
    "Great place to live and I don’t commute everything is close by and i walk to work. Public transportation is great "
  • Kikisammataro
    "Halloween is a big event. Saturday has a farmers market. Kids are safe. Many schools and parks. Including dog park. "
  • Mayra
    "This is a very safe family neighborhood. Kids run freely and there’s a lot of activities for them. The school is great but the classrooms have more students than it should."
  • Ljsklein
    "My building is dog friendly. It seems like most of the people have dogs and love to walk them. We all clean up after our dogs. There’s poop bags in containers around the building with a place to dispose of them. There is also a dog park on the Key. "
  • Maria
    "I don’t have dogs. There’s a very nice dog park right next to the green field. Dogs are not allowed in the field, that is why they have their dog park, but the many owners don’t follow the rules which is very annoying. Most of all when you get the smell when exercising...."
  • Fabio
    "Great Place to leave. Good people, privacy, no crime. Walkable area, beach access, wide kind of services. Thanks "
  • Dani.montenegro
    "I can’t give my opinion because I don’t have dogs, cat or any other pet. And there are many dog owners in KB but most of them are not very respectful with people who don’t. "
  • Dcas
    "Great area for kids and young families. Very safe neighborhood and extremely easy to walk or ride a bike anywhere "
  • Kiragrossman
    "They would absolutely love the dog park. There are two sides for bigger dogs and smaller dogs. Everyone is very friendly "
  • Kiragrossman
    "This is a Great place to live. The neighborhoods are safe and it’s a great location. Great for children. Good restaurants shops"
  • Sandra S.
    "I love this neighborhood, I have everything I need is quiet and safe, walk to most places and has two state parks"
  • Kimbokak
    "Friendly, kind neighbors, close to everything, and safe. You can do pretty much everything on the island, but it is more expensive."
  • Garandrew
    "I am visiting for vacations and love this place. Nice neighborhood and friendly people. Very likely I will recommend it to my friends and family. "
  • Thengea
    "If you don't have to commute out of the island it's wonderful. Otherwise, every event causes so much traffic. Living on an island is a blessing but the peoole really don't say hello or even make eye contact at the stores or parks :/"

LGBTQ Local Legal Protections

IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.

Frequently asked questions about 345 Harbor Ct

  • What is 345 Harbor Ct estimated to be worth?
    Trulia's estimated value for 345 Harbor Ct in Key Biscayne, FL is $4,929,400.
  • What is the price history for 345 Harbor Ct?
    345 Harbor Ct in Key Biscayne, FL last sold for $4,250,000 in May 2024.
  • Is Key Biscayne a buyer's or seller's market?
    Key Biscayne is currently a buyer's market, based on recent for-sale activity.
  • What's the median sale price in Key Biscayne?
    The median sale price in Key Biscayne is $1.56M. That is down $26.67K from the prior month.
  • Does 345 Harbor Ct have air conditioning?
    Yes, 345 Harbor Ct in Key Biscayne, FL has air conditioning.
  • Does 345 Harbor Ct have a pool?
    Yes, 345 Harbor Ct in Key Biscayne, FL has a pool.

Explore by feature - Pet Friendly

Explore by feature - Garage

Explore by feature - Air Conditioning

Explore by feature - Pool

Explore by feature - Washer/dryer

Explore by feature - Outdoor Space

Apartments for Rent

Skip to last item
Skip to first item

Off Market Homes Near 345 Harbor Ct

Skip to last item
Skip to first item

Homes for sale near 345 Harbor Ct

Skip to last item
Skip to first item
Skip to last item
  • Results are loading
Skip to first item