NOT LISTED FOR SALE

11243 3rd Avenue Gulf Marathon, FL 33050

Marathon Area

Estimated Value: $1,555,000 - $1,961,929

5 Beds
4 Baths
2,416 Sq Ft
$712/Sq Ft Est. Value

Sale Details

Date Sold: October 16, 2025

Last sale price $1,500,000 $621 Per Sq Ft

Est. 15% increase in value since last sale

Current estimated payment $10,453 / mo

109 Days on Market

Highlights

  • Airstrip
  • Boat Ramp
  • Dock made with concrete
  • Coral Shores High School Rated A
  • Beach
  • Heated In Ground Pool

About This Home

As of October 2025

Tropical Waterfront Escape | 11243 3rd Avenue Gulf, Marathon, FL 33050Welcome to your ultimate Keys getaway -- a spacious and stylish waterfront retreat in the heart of Marathon that's fully equipped for vacation rental success or relaxed tropical living. With 5 bedrooms, 4 full baths, and a flexible layout that comfortably hosts up to 12 guests, this property offers a rare blend of island charm, income potential, and exceptional amenities.Step inside to discover an inviting open-concept interior featuring a chef's kitchen with a gas range, stainless appliances, and generous prep space. The primary suite is a private sanctuary complete with a king bed, sofa bed, and spa-inspired ensuite bath. Additional guest rooms are thoughtfully appointed with a mix of king, queen, and twin accommodations -- ideal for large families or groups.Outdoors, unwind by the 330 sq ft private pool, complete with TWO new tiki huts -- one poolside and another near the fish cleaning station for added shade and entertaining. The brand-new putting green, oversized yard, and game zone (including ping pong, Pac-Man, foosball, basketball, and giant yard games) make this home the perfect playground for all ages.Boaters and anglers will love the 115-ft private dock with water and power -- plenty of room for multiple boats. A bait freezer, ice maker, and shaded cleaning station add convenience for your next big catch. There's even room to park an RV, plus additional space for cars and trailers.This property is being sold fully furnished and vacation rental ready, complete with future bookings and repeat guests, making it an easy turn-key investment. An affordable assumable flood policy sweetens the deal.Don't miss this rare opportunity to own a piece of paradise that truly has it all -- space, income, lifestyle, and location.Schedule your private showing today and get ready to live the dream in the Florida Keys! Interior Photos are coming soon!

Last Agent to Sell the Property

Sam Williams

Coldwell Banker Schmitt Real Estate Co. License #3186658 Listed on: 05/28/2025

Coldwell Banker Schmitt Real Estate Co.

Last Buyer's Agent

Megan Jones

Coldwell Banker Schmitt Islamorada License #3492181

Coldwell Banker Schmitt Islamorada

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $13,240

Year Built

  • Built in 1970 | Remodeled

Lot Details

  • 12,728 Sq Ft Lot
  • Home fronts a canal
  • Property is zoned RM - Residential Medium

Home Design

  • Shingle Roof

Interior Spaces

  • 2,416 Sq Ft Home
  • Furnished
  • Ceiling Fan
  • Sliding Doors
  • Entrance Foyer
  • Canal Views
  • Laundry Room

Kitchen

  • Oven
  • Range
  • Dishwasher
  • Stainless Steel Appliances
  • Granite Countertops
  • Disposal

Flooring

  • Laminate
  • Tile

Bedrooms and Bathrooms

  • 5 Bedrooms
  • Walk-In Closet
  • 4 Full Bathrooms

Home Security

  • Impact Glass
  • Fire and Smoke Detector

Parking

  • 4 Car Garage
  • Open Parking
  • Off-Street Parking

Outdoor Features

  • Heated In Ground Pool
  • Airstrip
  • Seawall
  • Dock made with concrete
  • Balcony
  • Patio
  • Exterior Lighting
  • Tiki or Chickee Hut

Utilities

  • Central Air
  • Separate Meters

Listing and Financial Details

  • Minimum Rental Period: 7
  • Assessor Parcel Number 00335840-000000

Community Details

Overview

  • No Home Owners Association
  • Key Colony Sub Subdivision
  • RV Parking in Community

Recreation

  • Boat Ramp
  • Beach
  • Bike Trail

Home Details

Home Type

Single Family

Est. Annual Taxes

$13,240

Year Built

Built in 1970 | Remodeled

Lot Details

0.29 Acres

Listing Details

  • Property Type: Residential
  • Style: Single Family
  • As Is Right To Inspect: Yes
  • First Right of Refusal: No
  • Mandatory HOA: No
  • Dockage Dock: Concrete
  • Dockage Seawall: Concrete
  • Fee Includes: None
  • Financial Status Bank Owned: No
  • Financial Status Potential Short Sale: No
  • Key Island: Marathon
  • Limited Representation: No
  • Marathon Neighborhood: Marathon East - Gulf (Airport to Vaca)
  • Mile Marker: 53.00
  • Min Rental Days: 7.00
  • M L S Identifier: 20060123165453488875000000
  • Neighborhood Feature: Community Boat Ramp, Bike Paths, Airstrip, Beach
  • Off Shore Island: No
  • Pets: Pets Allowed
  • Property Group I D: 19990816212109142258000000
  • Sale Terms: Conventional
  • Side: Bay/Gulf
  • State Province: FL
  • Taxes: 13239.87
  • Vehicle Storage: Garage, Trailer Storage, Covered Parking, RV Parking Covered, Off Street Parking, Open Parking
  • Vehicle Storage Cars: 4+
  • Year Built: 1970
  • Alternate Key Number: 1413488
  • Building Style: Other Bldg Style
  • Cooling Heating: Central Air, Ceiling Fans(s)
  • Lot Sq Ft: 12728.00
  • Pool Info: In Ground
  • Pool Info Heated: Yes
  • Porch Balcony: Open Porch/Balcony, Patio
  • Species List: No
  • Tax Exemptions: None
  • Building Style Above Flood: Unknown
  • Estimated Living Sq Ft: 2416.00
  • Financial Status Auction: No
  • Financial Status Standard Sale: Yes
  • Property Condition: Updated/Remodeled
  • Sewer Hook Up: No
  • Statistical Purposes Only: No
  • Special Features: None
  • Property Sub Type: Detached

Interior Features

  • Interior Amenities: Entrance Foyer, Granite Counter Top, Walk-in Closet(s), Smoke Alarms
  • Total Bathrooms: 4.00
  • Full Bathrooms: 4
  • Appliances: Dishwasher, Stainless Steel Appliance(s), Disposal, Oven, Range, Refrigerator
  • Floor: Tile, Laminate
  • Specialty Rooms: Laundry Room
  • Windows/Doors: Sliding Glass Doors, Impact Rstnce Window
  • Total Bedrooms: 5

Exterior Features

  • Waterfront: Canal Front
  • Waterfront: Yes
  • Construction: CBS
  • Exterior Features: Chickee Hut, Lighting
  • Roof: Shingle Roof
  • Waterview: Canal View
  • Pool: Yes

Utilities

  • Utilities: FKAA, Water Separate Meter, Elect Separate Meter, Municipal Sewer

Lot Info

  • Deed Restrictions: Unknown
  • Flood Zone: AE-7
  • Parcel Number: 00335840-000000
  • Land Size: Less Than 1/4 Acre
  • Acres: 0.29

Rental Info

  • Rentals Allowed: Yes
  • Furnished: Furnished

Tax Info

  • Tax Year: 2024

Ownership History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Name Owned For Owner Type

Purchase Details

Listed on
May 28, 2025
Closed on
Oct 10, 2025
Sold by
Bought by
Seller's Agent
Sam Williams
Coldwell Banker Schmitt Real Estate Co.
Buyer's Agent
Megan Jones
Coldwell Banker Schmitt Islamorada
List Price
$1,720,000
Sold Price
$1,500,000
Premium/Discount to List
-$220,000
-12.79%
Views
123
Current Estimated Value
$1,720,982

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$220,982
Avg. Annual Appreciation
20.41%
Original Mortgage
$1,150,000
Interest Rate
0.065%
Mortgage Type
New Conventional

Purchase Details

Listed on
Jun 24, 2022
Closed on
Jan 5, 2023
Sold by
Bought by
Seller's Agent
Ashkarian Ardis Team
Coldwell Banker Schmitt Real Estate Co.
Buyer's Agent
Claudette Mell
Century 21 Circle- Islamorada
List Price
$1,750,000
Sold Price
$1,600,000
Premium/Discount to List
-$150,000
-8.57%
Views
2

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
-2.29%
Original Mortgage
$1,040,000
Interest Rate
0.0463%
Mortgage Type
New Conventional

Purchase Details

Closed on
Feb 10, 2022
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$754,415
Interest Rate
0.0355%
Mortgage Type
New Conventional

Purchase Details

Listed on
Oct 19, 2017
Closed on
Feb 15, 2018
Sold by
Bought by
Seller's Agent
Lynn Goodwin, P.a.
Key Colony Beach Realty
Buyer's Agent
Lilas Ashkarian
C 21 Keysearch Realty
List Price
$375,000
Sold Price
$380,000
Premium/Discount to List
$5,000
1.33%

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
19.67%
Original Mortgage
$485,225
Interest Rate
0.0415%
Mortgage Type
Commercial

Purchase Details

Closed on
Dec 18, 2015
Bought by

Purchase Details

Closed on
May 10, 2015
Sold by
Bought by

Purchase Details

Closed on
Nov 15, 2012
Sold by
Bought by

Purchase Details

Closed on
Nov 1, 1988
Bought by

Purchase Details

Closed on
Aug 1, 1981
Bought by

Purchase Details

Closed on
Feb 1, 1969
Bought by
Source: Public Records
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Buyer Sale Price Title Company
$1,500,000 None Listed On Document
$1,600,000 --
$660,900 New Title Company Name
$380,000 Attorney
$100 --
-- Attorney
-- Attorney
$125,000 --
$135,000 --
$5,300 --
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Borrower Loan Amount
Open $1,150,000
Previous Owner $1,040,000
Previous Owner $754,415
Previous Owner $660,850
Previous Owner $485,225
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft Prior Sale
10/16/2025 10/16/25 Sold $1,500,000 -4.5% $621 / Sq Ft
07/01/2025 07/01/25 Price Changed $1,570,000 -8.7% $650 / Sq Ft
05/28/2025 05/28/25 For Sale $1,720,000 +7.5% $712 / Sq Ft
01/05/2023 01/05/23 Sold $1,600,000 -8.6% $633 / Sq Ft View Prior Sale
10/17/2022 10/17/22 For Sale $1,750,000 0.0% $693 / Sq Ft
10/14/2022 10/14/22 Pending -- -- --
09/16/2022 09/16/22 Price Changed $1,750,000 -5.4% $693 / Sq Ft
06/24/2022 06/24/22 For Sale $1,850,000 +386.8% $732 / Sq Ft
02/16/2018 02/16/18 Sold $380,000 +1.3% $199 / Sq Ft View Prior Sale
12/15/2017 12/15/17 Pending -- -- --
10/19/2017 10/19/17 For Sale $375,000 -- $196 / Sq Ft
Source: Marathon and Lower Keys Association of REALTORS®

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $13,240 $1,217,234 $732,815 $484,419
2024 $13,240 $1,405,413 $935,508 $469,905
2023 $14,098 $1,465,270 $980,056 $485,214
2022 $6,903 $1,052,607 $553,119 $499,488
2021 $5,484 $671,626 $264,615 $407,011
2020 $5,151 $659,769 $248,077 $411,692
2019 $3,871 $343,449 $242,564 $100,885
2018 $2,372 $238,863 $0 $0
2017 $2,322 $233,951 $0 $0
2016 $2,336 $229,140 $0 $0
2015 $2,332 $227,547 $0 $0
2014 $2,363 $225,741 $0 $0
Source: Public Records

Agents Affiliated with this Home

  • Sam Williams

    Seller's Agent in 2025

    Sam Williams

    Coldwell Banker Schmitt Real Estate Co.

    (305) 289-6532

    463 Total Sales

    Sam Williams
    Section Image
  • Megan Jones

    Buyer's Agent in 2025

    Megan Jones

    Coldwell Banker Schmitt Islamorada

    (305) 395-9567

    13 Total Sales

    Megan Jones
    Section Image

  • A

    Seller's Agent in 2023

    Ashkarian Ardis Team

    Coldwell Banker Schmitt Real Estate Co.

  • C

    Buyer's Agent in 2023

    Claudette Mell

    Century 21 Circle- Islamorada

  • L

    Seller's Agent in 2018

    Lynn Goodwin, P.a.

    Key Colony Beach Realty

  • L

    Buyer's Agent in 2018

    Lilas Ashkarian

    C 21 Keysearch Realty

See All Agents

Map

Source: Marathon and Lower Keys Association of REALTORS®

MLS Number: 615209

APN: 00335840-000000

Florida Monroe County Marathon 33050

11243 3rd Avenue Gulf, Marathon, FL

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