NOT LISTED FOR SALE

137 Mockingbird Ln Marathon, FL 33050

Marathon Area

Estimated Value: $3,518,928

5 Beds
5 Baths
3,491 Sq Ft
$1,008/Sq Ft Est. Value

Sale Details

Date Sold: May 12, 2025

Last sale price $3,300,000 $945 Per Sq Ft

Est. 7% increase in value since last sale

Current estimated payment $21,255 / mo

174 Days on Market

Highlights

  • Airstrip
  • Boat Lift
  • RV or Boat Parking
  • Beach
  • In Ground Pool
  • Harbor Views

About This Home

As of May 2025

Luxurious, Modern masterpiece with incomparable boating just minutes to Sombrero Beach! Every detail has been considered in this immaculate 5-bedroom, 5-bathroom concrete built home, with impact doors/windows, in the heart of exciting Marathon! Unpack and relax, this turn-key home comes furnished and equipped for immediate enjoyment! Currently utilized as a successful vacation rental, this exceptional property is an ideal investment property or serene private oasis for personal use. Take advantage of deep-draft boating with world class fishing and diving just minutes away. The sprawling 80' composite dock comes equipped with 20K boat lift (2021), fillet station, water and electric service. After a day on the water, cool off in the resort-style pool boasting heater, chiller, sun deck, and paver pool deck! Built for elevated waterside entertaining with nearly 1000 Sq. Ft. of covered verandas, complete with tongue-and-groove ceilings and stunning canal views! Inside, this contemporary home offers two spacious floors and every modern convenience! The first floor comes complete with the first of two spacious living areas, convenient attached 2-car garage, laundry room, cabana bathroom, den with wet bar, and private en suite guest bedroom. Ascend the modern staircase with wrought iron railing and custom chandelier into an open-concept great room on the second floor, boasting separate dining and living areas and expertly-equipped Chef's Kitchen. Entertain for the masses with ample cabinetry, Cambria quartz countertops, high-end Cafe appliances, and large island with counter seating, additional storage, sink, and waterfall edge. Two additional guest bedrooms ensure elevated accommodation for visitors while you retire to an opulent primary suite with walk-in closet, additional closet, palatial en suite and Juliette balcony. Neighborhood offers beautiful Sombrero Beach, golf at Florida Keys Country Club and waterfront restaurants and marinas.

Last Agent to Sell the Property

Lisa Ferringo

Coldwell Banker Schmitt Real Estate Co License #605677 Listed on: 10/03/2024

Last Buyer's Agent

Lisa Ferringo

Coldwell Banker Schmitt Real Estate Co License #605677 Listed on: 10/03/2024

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Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $21,671

Year Built

  • Built in 2021 | Remodeled

Lot Details

  • 16,200 Sq Ft Lot
  • Home fronts a canal
  • Fenced
  • Property is zoned RM - Residential Medium

Property Views

  • Harbor
  • Lake
  • Canal

Home Design

  • Metal Roof

Interior Spaces

  • 3,491 Sq Ft Home
  • Wet Bar
  • Furnished
  • Bar
  • Tray Ceiling
  • Cathedral Ceiling
  • Ceiling Fan
  • Entrance Foyer
  • Storage
  • Impact Glass

Kitchen

  • Oven
  • Range
  • Dishwasher
  • Wine Cooler
  • Stainless Steel Appliances
  • Granite Countertops
  • Quartz Countertops
  • Built-In or Custom Kitchen Cabinets

Flooring

  • Tile
  • Vinyl

Bedrooms and Bathrooms

  • 5 Bedrooms
  • Split Bedroom Floorplan
  • Walk-In Closet
  • Maid or Guest Quarters
  • 5 Full Bathrooms

Laundry

  • Laundry Room
  • Dryer
  • Washer

Parking

  • Garage
  • Open Parking
  • RV or Boat Parking

Pool

  • In Ground Pool
  • Pool Deck

Outdoor Features

  • Airstrip
  • Boat Lift
  • Dock made with Composite Material
  • Balcony
  • Patio
  • Lanai
  • Exterior Lighting
  • Outdoor Storage

Utilities

  • Central Air
  • Heating Available
  • Public Hookup Available For Sewer

Listing and Financial Details

  • Minimum Rental Period: 7
  • Assessor Parcel Number 00355417-001900

Community Details

Overview

  • No Home Owners Association
  • Tropic Island Subdivision
  • Rental Restrictions
  • RV Parking in Community

Recreation

  • Beach
  • Bike Trail

Home Details

Home Type

Single Family

Est. Annual Taxes

$21,671

Year Built

Built in 2021 | Remodeled

Lot Details

0.37 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: Composite
  • Fee Includes: None
  • Key Island: Marathon
  • Limited Representation: No
  • Marathon Neighborhood: Sombrero
  • Mile Marker: 50.00
  • Min Rental Days: 7.00
  • M L S Identifier: 20060123165453488875000000
  • Neighborhood Feature: Beach, Bike Paths, Airstrip, Other Area Features
  • Off Shore Island: No
  • Pets: Pets Allowed
  • Property Group I D: 19990816212109142258000000
  • Sale Terms: Other Terms
  • Side: Ocean
  • State Province: FL
  • Taxes: 21670.82
  • Title: Negotiable
  • Vehicle Storage: Garage, Trailer Storage, RV Parking Open, Open Parking, Attached
  • Vehicle Storage Cars: 2
  • Year Built: 2021
  • Alternate Key Number: 1436712
  • Cooling Heating: Central Air, Ceiling Fans(s)
  • Lot Sq Ft: 16200.00
  • Pool Info: In Ground, Decked
  • Porch Balcony: Open Porch/Balcony, Patio
  • Species List: Yes
  • Tax Exemptions: None
  • Building Style Above Flood: Yes
  • Building Style Stories: 2 Stories
  • Estimated Living Sq Ft: 3491.00
  • Pool Info Other: Chilled
  • Specialty Rooms Guest Servant Qtrs: Legal
  • Property Condition: Updated/Remodeled
  • Sewer Hook Up: Yes
  • Statistical Purposes Only: No
  • Special Features: None
  • Property Sub Type: Detached
  • Stories: 2

Interior Features

  • Interior Amenities: Wet Bar, Quartz Countertops, Tray Ceilings, Bar, Walk-in Closet(s), Storage, Granite Counter Top, Built-in Cabinets, Entrance Foyer, Pantry, Split Bedroom, Cathedral Ceilings
  • Total Bathrooms: 5.00
  • Full Bathrooms: 5
  • Appliances: Washer, Stainless Steel Appliance(s), Wine Cooler, Oven, Range, Refrigerator, Dishwasher, Dryer
  • Floor: Tile, Vinyl
  • Specialty Rooms: Laundry Room, Other
  • Windows/Doors: Impact Rstnce Window, Impact Rstnce Doors
  • Total Bedrooms: 5

Exterior Features

  • Dockage: Boat Lift
  • Waterfront: Canal Front
  • Waterfront: Yes
  • Construction: CBS
  • Exterior Features: Fencing, Storage, Lanai, Lighting
  • Roof: Metal Roof
  • Waterview: Canal View, Harbor/Marina View, Lake View
  • Pool: Yes

Utilities

  • Utilities: FKAA, Buyer to Verify, Municipal Sewer
  • Heating: Electric

Lot Info

  • Deed Restrictions: Unknown
  • Flood Zone: AE
  • Parcel Number: 00355417-001900
  • Land Size: 1/4 - 1/2 Acre
  • Acres: 0.37

Rental Info

  • Rentals Allowed: With Restrictions
  • Furnished: Furnished

Tax Info

  • Tax Year: 2023

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
Oct 3, 2024
Closed on
May 12, 2025
Sold by
Bought by
Seller's Agent
Lisa Ferringo
Coldwell Banker Schmitt Real Estate Co
Buyer's Agent
Lisa Ferringo
Coldwell Banker Schmitt Real Estate Co
List Price
$3,900,000
Sold Price
$3,300,000
Premium/Discount to List
-$600,000
-15.38%
Views
226
Current Estimated Value
$3,518,928

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$218,928
Avg. Annual Appreciation
5.36%
Original Mortgage
$910,000
Outstanding Balance
$899,241
Interest Rate
6.64%
Mortgage Type
New Conventional
Estimated Equity
$2,619,687

Purchase Details

Closed on
Aug 21, 2024
Sold by
Bought by

Purchase Details

Closed on
Nov 16, 2021
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
$1,840,000
Interest Rate
3.05%
Mortgage Type
New Conventional

Purchase Details

Closed on
Nov 6, 2020
Sold by
Bought by

Purchase Details

Closed on
Jun 7, 2005
Sold by
Bought by

Purchase Details

Closed on
Feb 25, 2004
Bought by

Purchase Details

Closed on
Jun 10, 1998
Sold by
Bought by

Purchase Details

Closed on
Feb 1, 1973
Bought by
Source: Public Records

Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Agents Specializing in Marathon, FL

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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
$3,300,000 None Listed On Document
$1,748,800 None Listed On Document
$2,300,000 None Listed On Document
$380,000 Servicelink
$1,300,000 --
$500,000 --
$150,000 --
$24,300 --
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 $910,000
Previous Owner $1,840,000
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
05/12/2025 05/12/25 Sold $3,300,000 -5.7% $945 / Sq Ft
03/26/2025 03/26/25 Pending -- -- --
03/10/2025 03/10/25 Price Changed $3,499,000 -6.7% $1,002 / Sq Ft
01/07/2025 01/07/25 Price Changed $3,750,000 -3.8% $1,074 / Sq Ft
10/03/2024 10/03/24 For Sale $3,900,000 -- $1,117 / Sq Ft
Source: Key West 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 $22,513 $2,443,756 $1,312,200 $1,131,556
2024 $21,671 $2,442,142 $1,300,050 $1,142,092
2023 $21,671 $2,337,188 $1,166,400 $1,170,788
2022 $20,020 $2,071,705 $877,838 $1,193,867
2021 $4,416 $434,363 $434,363 $0
2020 $2,054 $259,875 $259,875 $0
2019 $1,938 $253,688 $253,688 $0
2018 $1,802 $253,688 $253,688 $0
2017 $1,573 $207,281 $0 $0
2016 $1,553 $207,723 $0 $0
2015 $1,283 $148,995 $0 $0
2014 $1,063 $96,136 $0 $0
Source: Public Records

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Map

Source: Key West Association of REALTORS®

MLS Number: 611704

Key West Association of REALTORS®

APN: 00355417-001900

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