640 99th St, Marathon, FL 33050
Property image
Property image
OFF MARKET

640 99th St
Marathon, FL 33050

  • 3 Beds
  • 2 Baths
  • 1,752 sqft

$1,165,600

Trulia Estimate
as of Aug 24, 2026
Est. Refi. Payment $6,839/mo*
Refinance Your Home

$1,165,600

Trulia Estimate
as of Aug 24, 2026
Est. Refi. Payment $6,839/mo*
Refinance Your Home
3 Beds
2 Baths
1,752 sqft

Home Value

Trulia Estimate
$1.17M
Since last month
Increased$33K (+2.9%)
Since last year
Decreased$13K (-1.1%)
Since last sale
Increased$619K (+112.6%)
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 +96% in the last 10 years
MonthEstimated value
2026
August 2026$1.17M
July 2026$1.14M
June 2026$1.19M
May 2026$1.16M
April 2026$1.17M
March 2026$1.14M
February 2026$1.14M
January 2026$1.11M
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
599 W 105th St, Marathon, FL
0.23
Single-Family Home
$485,000
07/08/26
3
2
1,173
599 105th Street Ocean W, Marathon, FL
0.23
Single-Family Home
$485,000
07/08/26
3
2
1,188
655 96th St, Marathon, FL
0.21
Single-Family Home
$556,500
04/06/26
3
1
1,100
22 Stirrup Key Rd, Marathon, FL
0.49
Single-Family Home
$600,000
07/06/26
3
2
1,152
1288 91st Ct, Marathon, FL
0.47
Single-Family Home
$1,125,000
09/19/25
3
2
1,396
281 84th St, Marathon, FL
0.71
Single-Family Home
$605,000
08/28/25
3
2
1,242
1279 91st Ct, Marathon, FL
0.49
Single-Family Home
$1,700,000
06/05/26
3
2
1,539
1350 92nd Court Ocean St, Marathon, FL
0.45
Single-Family Home
$1,250,000
09/03/25
3
2
1,056
1190 91st Court Ocean, Marathon, FL
0.45
Single-Family Home
$1,100,000
11/21/25
3
2
1,056
1190 91st Ct, Marathon, FL
0.47
Single-Family Home
$1,100,000
11/20/25
3
2
1,056

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
574-576 99th St, Marathon, FL 33050
0.03
$1,300,000
4
4
1,854
For Sale
864 100th Street Ocean, Marathon, FL 33050
0.05
$1,232,900
3
2
1,700
Off Market
735 50th St, Marathon, FL 33050
0.07
$5,495,000
5
5.5
3,219
For Sale
119 Avenue Ave #D-B, Marathon, FL 33050
0.07
$2,047,300
5
3.5
2,875
Off Market
900 101st Street Ocean St, Marathon, FL 33050
0.08
$2,799,999
6
6
2,243
For Sale
855 101st Street Ocean, Marathon, FL 33050
0.07
$1,326,000
4
3
2,600
Off Market
757 98th St, Marathon, FL 33050
0.11
$1,051,000
3
2
960
Off Market
747 98th Street Ocean St, Marathon, FL 33050
0.10
$1,002,900
2
2
1,152
Off Market
745 98th St, Marathon, FL 33050
0.10
$1,364,300
3
2
1,280
Off Market
755 101st St, Marathon, FL 33050
0.08
$1,355,000
3
2
1,464
Off Market
611 101st Street Ocean St, Marathon, FL 33050
0.09
$1,113,500
3
2
2,540
Off Market
822 97th Street Ocean St, Marathon, FL 33050
0.15
$874,700
3
2
1,300
Off Market

Local Information

  • Map ViewExplore the area around 640 99th St.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1973
Living Area
1,752 sqft
Price/Sqft
$665

About this House

Well maintained ground levelhome offers three bedrooms, two baths, impact windows, new metal roof and a lovely sunroom. Great dockage with a 60' concrete dock and boat lift on a deep water canal with direct ocean access. This property is centrally located walking distance to Occeanfront Park and minutes from the Marathon Airport.
640 99th St, Marathon, FL 33050 is a 3 bedroom, 2 bathroom, 1,752 sqft single-family home built in 1973. It last sold for $550,000 on Jun 29, 2017. It is currently off market. The Trulia Estimate is $1,165,600, with a rent estimate of $4,117/month.

Home Details for 640 99th St

Interior Features

Heating & Cooling
Heating: Forced Air, ElectricAir ConditioningCooling System: CentralHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 1Floors: Tile
Interior Details
AtticNumber of Rooms: 8Types of Rooms: Breakfast Nook, Dining Room, Family Room, Laundry Room, Master Bath, Pantry, Sun RoomCeiling Fan
Appliances & Utilities
Cable ReadyDishwasherDisposalDryerMicrowaveRefrigeratorWasher

Exterior Features

Exterior Home Features
Roof: MetalDeckExterior: Cement ConcreteFoundation Type: ConcreteGarden
Parking & Garage
Parking Spaces: 4Parking: Off Street

Property Information

Year Built
Year Built: 1973Year Updated: 2017
Property Type / Style
Property Type: Single Family HomeArchitecture: Split-level

Building

Levels, Entrance, & Accessibility
Disabled Access

Community

Units in Building: 1

Lot Information

Lot Area: 5218 sqft

Price and Tax history

DateEventPrice
Jun 29, 2017
Source: FLKMLS #571394
Sold
$550,000
Oct 15, 2003
Source: FLKMLS #515638
Sold
$440,000

Market trends in Marathon

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$774K
$51.67KMoM
Sale-to-List Price
—
Price per sq ft
$630
$2MoM
Available listings
260
8MoM

Around this home

What Locals Say about Marathon

At least 61 Trulia users voted on each feature.

  • 83 % Say car is needed

  • 79 % Say people would walk alone at night

  • 76 % Say parking is easy

  • 72 % Say it's quiet

  • 70 % Say it's dog friendly

  • 70 % Say yards are well-kept

  • 68 % Say there's holiday spirit

  • 61 % Say it's walkable to restaurants

  • 53 % Say there's wildlife

  • 53 % Say they plan to stay for at least 5 years

  • 51 % Say there are community events

  • 49 % Say kids play outside

  • 45 % Say neighbors are friendly

  • 37 % Say it's walkable to grocery stores

  • 36 % Say there are sidewalks

  • 29 % Say streets are well-lit

Sourced by Trulia users. Learn more about our methodology.
  • 4yrv5tc4qr
    "Seafood festival, theater, music festival, turtle releases, homecoming parade, 4th of July fireworks on the beach"
    1
    Flag
  • Ingridfox
    "people love walking dogs on the beach and dog dog park at Sombrero Beach. A lot of restaurants are dog friendly. This is a great place for dog owners. "
    1
    Flag
  • C E.
    "There is no place for kids to hang out really except for the skate park. There are no malls, no skating rinks, no places for kids to meet safely. "
    1
    Flag
  • Jan M.
    "We have basic public transportation. I’d take a taxi anywhere in town. .............................,,"
    0
    Flag
  • Erin F.
    "There’s plenty of grass, sidewalks and quiet roads to walk along.. plus the public beach is always a dogs favorite adventure.. just pick up after your dog!"
    2
    Flag
  • Thurmankolb
    "Yes! Dog park just down the street. Lots of neighbors know each other by our dogs. Great vets n Marathon and good groomer."
    6
    Flag
  • Thurmankolb
    "Lots of community events and activities. Fishing tournaments, seafood festival, school carnivals, etc... "
    2
    Flag
  • Jamie B.
    "Everyone gets together for the kids at Halloween. We have a community park with special events planned for the kids and the beach is the sight for a special 4th of July. "
    0
    Flag
  • Abiezer31
    "Of course ,the neighbors the owner and dog are very nice I’m very proud living in my house.and this neighborhood "
    3
    Flag
  • Darren S.
    "I live off the beaten path across the street from a golf course. It's very quiet and tranquil. throb marinas surrounding the property and can walk to All shops and stores."
    0
    Flag
  • Cyndiepalmer
    "We are a friendly neighborhood. You walk your street and say Hi anytime. It is a safe street to live "
    0
    Flag
  • Ksperkinson
    "Safe clean near ocean good police pet friendly hospital is coming along in the construction have contract here at hospital looking forward to finding a good place for 3 months"
    0
    Flag
  • Stephanie M.
    "A lot of kids and cars. A fire station that is noisey but nice. Lizards everywhere. There is one hotel on this small island. There are A lot of Vacation homes here and crab catchers. When it rains you can't see the road."
    0
    Flag
  • Lb2071
    "water front community , is a small island called Flamingo Island. We have a 9 hole golf course and just 5 minutes from Publix and Kmart. Sombrero beach is right at the outset of the canals on the Atlantic ocean and the people are very loving and friendly."
    0
    Flag
  • Gonzalez8834
    "Marathon is a great place to life and have a family, very safe, quiet and full of great people. ......"
    0
    Flag
  • Tom A. C. M.
    "I live here (14 years) and love the area. Close accessibility to shopping, schools, churches, golf, beach, walking, biking. "
    0
    Flag
  • Anne K.
    "Lived here for many years and is one of the best places to live in Marathon. Conveniently located near schools, parks, shopping and beach just minutes away."
    0
    Flag
  • Debra G.
    "Only 8 miles from Marathon. Away from the winter traffic, airport noise. Crystal clean, flow through canals. Great place to vacation and a great place to live. "
    0
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 640 99th St

  • What is 640 99th St estimated to be worth?
    Trulia's estimated value for 640 99th St in Marathon, FL is $1,165,600.
  • What is the price history for 640 99th St?
    640 99th St in Marathon, FL last sold for $550,000 in June 2017.
  • Is Marathon a buyer's or seller's market?
    Marathon is currently a buyer's market, based on recent for-sale activity.
  • What's the median sale price in Marathon?
    The median sale price in Marathon is $774K. That is up $51.67K from the prior month.
  • Does 640 99th St have air conditioning?
    Yes, 640 99th St in Marathon, FL has air conditioning.
  • Does 640 99th St have laundry facilities?
    Yes, 640 99th St in Marathon, FL has in-unit laundry.

Explore by feature - Pet Friendly

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Off Market Homes Near 640 99th St

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