$1,700,000
- 2 Beds
- 3 Baths
- 1,247 sqft
10999 Ave 3rd Avenue, Marathon, FL 33050
Est. Mortgage $10,276/mo*
Get Pre-QualifiedHome Highlights
Single-Family Home
Built in 1977
$1,363/sqft
Open Parking
Local Information
-- mins to
About this House
Unapproved Short Sale for Non-Conforming 2 Bed/3 Bath Waterfront Home in Marathon. Large corner lot with 205 feet of water frontage. First floor has non-conforming addition of 2 bedrooms and living area. Second floor nicely updated with renovated kitchen, baths and impact windows throughout.
Last check for updates: about 23 hours ago
Listing courtesy of Kenneth L Beckett, (954) 815-8818
Beckett Realty Advisors, LLC
Originating MLS: BeachesMLS
Source: BeachesMLS, MLS#F10543646

Also Listed on BeachesMLS.
Home Details for 10999 Ave 3rd Avenue
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Interior Details Number of Rooms: 1Types of Rooms: Other |
Beds & Baths Number of Bedrooms: 2Number of Bathrooms: 3Number of Bathrooms (full): 3Number of Bathrooms (main level): 1 |
Dimensions and Layout Living Area: 1247 Square Feet |
Appliances & Utilities Appliances: Dishwasher, Electric Range, Refrigerator, WasherDishwasherRefrigeratorWasher |
Heating & Cooling Heating: Central,ElectricHas CoolingAir Conditioning: Central Air,ElectricHas HeatingHeating Fuel: Central |
Windows, Doors, Floors & Walls Window: Impact GlassFlooring: Laminate |
Levels, Entrance, & Accessibility Stories: 2Number of Stories: 2Levels: TwoEntry Location: Second Floor EntryFloors: Laminate |
View Has a ViewView: Canal |
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Exterior Home Features Roof: MetalPatio / Porch: Open, BalconyExterior: Balcony, Outdoor Living AreaHas a Private Pool |
Parking & Garage Other Parking: CarportSpaces:0.00No GarageNo Attached GarageHas Open ParkingParking: Driveway |
Pool Pool: In GroundPool |
Frontage WaterfrontWaterfront: Canal Front, No Fixed Bridges, Ocean AccessFrontage Type: WaterfrontOn Waterfront |
Water & Sewer Sewer: Public Sewer |
Farm & Range Frontage Length: 205.00, 205.00 |
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Cumulative Days on Market: 251Days on Market: 180+ |
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Year Built Year Built: 1977 |
Property Type / Style Property Type: ResidentialProperty Subtype: Single Family Residence |
Building Construction Materials: BlockNot a New Construction |
Property Information Condition: ResaleParcel Number: 00335550000000 |
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Price List Price: $1,700,000Price Per Sqft: $1,363 |
Status Change & Dates Possession Timing: Negotiable |
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MLS Status: Active |
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Direction & Address City: MarathonCommunity: Key Colony Sub 4 |
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Listing Agent Listing ID: F10543646 |
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Not Senior Community |
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Association for this Listing: BeachesMLSNo HOA |
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Lot Area: 10125 sqft |
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Special Conditions: Short Sale |
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Listing Terms: Cash |
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Mobile Home Park Mobile Home Units: Feet |
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Mls Number: F10543646Living Area Range Units: Square FeetWater ViewWater View: CanalAbove Grade Unfinished Area Units: Square FeetBelow Grade Unfinished Area Units: Square FeetUniversal Property Id: US-12087-N-00335550000000-R-N |
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HOA Amenities: NoneDays On Market Replication: 251 |
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.
Market trends in Marathon
Last updated August 2026
Avg. sale price
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Sale-to-List Price
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Price per sq ft
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Available listings
255
7MoM
Home Value
Trulia Estimate
$1.57MSince last month
Decreased$2K (-0.1%)Since last year
Increased$522K (+49.8%)Since last sale
Increased$581K (+58.8%)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 +201% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| September 2026 | $1.57M |
| August 2026 | $1.57M |
| July 2026 | $1.57M |
| June 2026 | $1.57M |
| May 2026 | $1.57M |
| April 2026 | $1.57M |
| March 2026 | $1.57M |
| February 2026 | $1.15M |
| January 2026 | $1.13M |
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 |
|---|---|---|---|---|---|---|---|
0.11 | Single-Family Home | $982,000 | 12/04/25 | 3 | 2.5 | 1,842 | |
0.10 | Single-Family Home | $1,260,000 | 06/01/26 | 3 | 2 | 1,424 | |
0.08 | Single-Family Home | $1,400,000 | 07/31/26 | 4 | 3 | 1,740 | |
0.12 | Single-Family Home | $1,450,000 | 08/31/26 | 4 | 3 | 1,926 | |
0.58 | Single-Family Home | $985,000 | 03/11/26 | 2 | 3 | 1,080 | |
0.32 | Single-Family Home | $1,055,000 | 06/08/26 | 2 | 2 | 808 | |
0.07 | Single-Family Home | $1,500,000 | 10/16/25 | 5 | 4 | 2,416 |
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 |
|---|---|---|---|---|---|---|
0.01 | $1,176,400 | 3 | 2 | 1,152 | Off Market | |
0.08 | $455,000 | 2 | 1 | 864 | Recently Sold | |
0.08 | $490,500 | 3 | 2 | 1,200 | Off Market | |
0.07 | $746,400 | 3 | 2 | 1,362 | Off Market | |
0.09 | $687,800 | 4 | 2 | 1,500 | Off Market | |
0.08 | $2,414,900 | 3 | 2 | 3,770 | Off Market | |
0.10 | $482,500 | 2 | 2 | 783 | Off Market | |
0.11 | - | - | - | - | Off Market | |
0.07 | $1,468,900 | 5 | 4 | 2,416 | Off Market | |
0.11 | $979,000 | 5 | 3 | 2,111 | For Sale | |
0.08 | $1,400,000 | 4 | 3 | 1,740 | Recently Sold |
Price and Tax history
| Date | Event | Price |
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Jan 6, 2026 Source: BeachesMLS #F10543646 | Listed For Sale | $1,700,000 |
Aug 7, 2023 Source: N/A | Sold | $988,000 |
Aug 19, 2022 Source: FLKMLS #599206 | Sold | $1,225,000 |
Aug 3, 2022 Source: FLKMLS #599206 | Pending | $1,699,999 |
Aug 3, 2022 Source: Key West AOR #599206 | PendingToActive | $1,699,999 |
Jun 17, 2022 Source: Key West AOR #599206 | Contingent | $1,699,999 |
Feb 2, 2022 Source: Key West AOR #599206 | PriceChange | $1,699,999 Price increased by 0% |
Jan 15, 2022 Source: FLKMLS #599206 | Listed For Sale | $1,699,000 |
May 6, 2008 Source: N/A | Sold | $580,000 |
Sep 5, 1995 Source: N/A | Sold | $213,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $10,682 | $1,113,907 |
Home facts updated by county records
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Kenneth L Beckett, Beckett Realty Advisors, LLC
Agent Phone: (954) 815-8818

All listings featuring the BMLS logo are provided by Beaches MLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright 2026 Beaches Multiple Listing Service, Inc. 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.
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Frequently asked questions about 10999 Ave 3rd Avenue
- What is the estimated monthly payment for 10999 Ave 3rd Avenue?Based on a $1,700,000 list price with 20% down at today's rates, the estimated monthly payment for 10999 Ave 3rd Avenue in Marathon, FL is approximately $10,463 (about $9,226 principal & interest, $1,162 property taxes, and $75 homeowner's insurance). This is an estimate. Actual payment depends on your loan terms.
- What do residents say about Marathon?Residents describe Marathon, FL as easy to park in, quiet, and dog-friendly. Most residents say you need a car. See homes for sale in Marathon, FL.
- What are the closest schools to 10999 Ave 3rd Avenue?The closest schools to 10999 Ave 3rd Avenue in Marathon, FL are Marathon School (Middle/High, rated 5/10), Stanley Switlik Elementary School (Pre-K, rated 5/10).
- What is 10999 Ave 3rd Avenue estimated to be worth?Trulia's estimated value for 10999 Ave 3rd Avenue in Marathon, FL is $1,568,000.
- Does 10999 Ave 3rd Avenue have air conditioning?Yes, 10999 Ave 3rd Avenue in Marathon, FL has air conditioning.
- Does 10999 Ave 3rd Avenue have a pool?Yes, 10999 Ave 3rd Avenue in Marathon, FL has a pool.
10999 Ave 3rd Avenue, Marathon, FL 33050 is a 2 bedroom, 3 bathroom, 1,247 sqft single-family home built in 1977. This property is currently available for sale and was listed by BeachesMLS on Oct 1, 2025. The MLS # for this home is MLS# F10543646.

