641 12th St

Key Colony Beach, FL 33051

$2,390,000
Price
3
Beds
2,001 Sq. Ft.
$1,194 / Sq. Ft.
2,001
Sq. Ft.
$1,194
per Sq. Ft.
an aerial view of a house with a lake view
an aerial view of ocean and residential houses with outdoor space
a view of a swimming pool with an outdoor seating
an aerial view of a house with a yard and potted plants
swimming pool with outdoor seating yard and green space
a front view of a house with garden
a area with pool table and chairs
a kitchen with stainless steel appliances granite countertop a kitchen island a stove a cabinets and a chairs
a kitchen with a dining table chairs cabinets and stainless steel appliances
a bathroom with a granite countertop sink a large mirror and vanity
a living room with fireplace furniture and a wooden floor
a view of a living room
a view of a livingroom with wooden floor
a view of a room with wooden floor
a view of an empty room
a view of a room with wooden floor and a window
a living room with furniture and a flat screen tv
a view of an empty room with wooden floor and a window
an empty room with wooden floor and ceiling fan
a bathroom with a shower
a bathroom with a double vanity sink and mirror with toilet
a bed room with a bed and a mirror
an empty room with wooden floor and windows
a view of an empty room with a window
a bathroom with a toilet and a shower
a bathroom with a toilet a sink and a mirror
a bedroom with a bed and a large window
wooden floor in an empty room with a window
a spacious bathroom with a granite countertop sink a toilet a mirror and shower
a utility room with sink dryer and washer
a view of a garden with patio
a view of a swimming pool with lounge chair
swimming pool view with a seating space
a view of house with swimming pool and outdoor seating
a view of a city
a front view of a house with garden
a view of a patio with table and chairs potted plants
a view of a patio with table and chairs with wooden floor
a view of outdoor space with seating space
a view of lobby with livingroom
an aerial view of a house
a swimming pool with outdoor seating and yard
a swimming pool with outdoor seating and yard
a front view of multiple houses with yard

Description

Welcome to your dream island retreat! This exquisite above flood, 1999, Bill Ellison-built, fully renovated home offers 2,001 sqft of luxury. Nestled in the desirable Key Colony Beach, located on a highly sought out 12th, you'll enjoy quick and easy access to both the Gulf and Atlantic, making it a boater's paradise. The outdoor space is designed for ultimate relaxation and entertainment. A 15x15 tiki hut sets the stage for unforgettable gatherings. The expansive covered patio overlooks a brand new...Welcome to your dream island retreat! This exquisite above flood, 1999, Bill Ellison-built, fully renovated home offers 2,001 sqft of luxury. Nestled in the desirable Key Colony Beach, located on a highly sought out 12th, you'll enjoy quick and easy access to both the Gulf and Atlantic, making it a boater's paradise. The outdoor space is designed for ultimate relaxation and entertainment. A 15x15 tiki hut sets the stage for unforgettable gatherings. The expansive covered patio overlooks a brand new 12x25 pool complete with a fountain and heater/chiller, promising endless enjoyment. Boaters will love the 80ft of deep-water concrete dockage with a step down 36ft wooden dock, and a convenient fish cleaning table. Inside, the home boasts 11ft vaulted ceilings and luxury vinyl plank flooring throughout. The renovated kitchen features Dolomite countertops with under-the-counter lighting on the island and brand new stainless steel appliances. The laundry room is equipped with a new, large-capacity washer and dryer. All three spacious bedrooms have ensuite bathrooms. The main bedroom is a true sanctuary, offering ample space for a sitting area, a spacious walk-in closet with custom built-ins, and a ensuite bathroom with Carrera marble in the shower. There is a 24x22, 2 car garage, outdoor storage shed and a designated boat trailer parking space. There is also parking space for two vehicles in front of the garage. Key Colony Beach allows 7 night rentals if you wish to put the home into the vacation rental market. You are a short walk to Sunset Park.
  1. Listed by Katie Grace Carrillo • LPT Realty, LLC

Property Details for 641 12th Street

Waterfront
Canal Front
Waterfront
Yes
Zoning
R-1B - Key Colony Single Family
Subdivision
Key Colony Beach (53.5)
Building Style
Ground Level
Vehicle Storage
Garage, Trailer Storage, Open Parking, Auto Door Opener
Pets
Pets Allowed
LISTING UPDATED: 12/21/2025 12:01 PM

Property Details for 641 12th Street

StatusActive
MLS #617096
Days on Market58
Taxes$14,460 / year
HOA Fees-
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeResidential / Single Family
Year Built1999
Lot Size0.22 AC / 9,600 SF
CountyMonroe County

Location

Listing Courtesy of LPT Realty, LLC
Add your commute

Building Information for 641 12th Street

Stories-Year Built1999Building Size-Lot Size0.22 AC / 9,600 SF

Payment Calculator

$13,015 per month

30 year fixed, 6.28% Interest

Principal and Interest

$11,810

Property Taxes

$1,205

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

Property Information for 641 12th Street

Summary
Location and General Information
  • Waterview: Canal View
  • Area: 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
  • Absolute Longitude: 81.026408
  • Control Depth: 5
  • Off Shore Island: No
  • Listing Board: Marathon/Lower Keys
  • Side: Ocean
  • Mile Marker: 53.5
  • Marathon Neighborhood: Marathon East - Gulf (Airport to Vaca)
  • Neighborhood Feature: Beach, Bike Paths
  • Key/Island: Key Colony
Taxes and HOA Information
  • Association Info: Mandatory Home Owners Asc: No
  • Association Info: 1st Right of Refusal: No
  • Fee Includes: None
  • Furnished: Unfurnished
  • Tax Year: 2024
  • Tax Exemptions: None
Property
Lot Information
  • Acres: 0.22
  • Land Size: Less Than 1/4 Acre
Property and Assessments
  • MLS Approved: Y
  • SqFt Source: Property Data Card
  • Flood Zone: AE
  • Rentals Allowed: With Restrictions
  • Deed Restrictions: Unknown
  • Picture Count: 45
  • Document Count: 2
  • Building Style: Above Flood: Yes
  • Property Condition: Updated/Remodeled
  • Security: Patrolled Area
  • Title: Title Ins - Buyer
Utilities
  • Utilities: FKAA, Water Separate Meter, Cable Available, Elect Separate Meter, Buyer to Verify
  • Pub Sewer HkUp: Yes
  • Pool: Yes
  • Pool Info: Heated: Yes
  • Pool Info: In Ground, Fiberglass
  • Porch/Balcony: Open Porch/Balcony
Interior and Exterior Features
Interior Features
  • Floor: Vinyl
  • Interior Features: Drapes/Blinds Incl, Built-in Cabinets, Walk-in Closet(s), Smoke Alarms, Split Bedroom, Cathedral Ceilings
  • Pre-Wired: Cable
  • Appliances: Washer, Stainless Steel Appliance(s), Freezer, Microwave, Oven, Range, Refrigerator, Dishwasher, Dryer
Exterior Features
  • Roof: Tile Roof
  • Shutters: Accordion
  • Dockage: Dock Length: 80
  • Dockage: Dock: Concrete
  • Construction: CBS
  • Exterior Features: Chickee Hut, Storage, Lighting, Fencing
  • Windows/Doors: Single Hung Windows, Aluminum Windows, Sliding Glass Doors
Room Information
  • Specialty Rooms: Laundry Room

Property History for 641 12th Street

DateEvent & SourcePriceAppreciation
Nov 1, 2025

Listed (Active)

FKMLS #617096

$2,390,000—
Aug 21, 2025

Expired

FKMLS #615881

—
Jul 22, 2025

Listed (Active)

FKMLS #615881

$2,390,000—
Jul 25, 2023

Sold

FKMLS #604225

$1,700,000—
Jul 21, 2023

Sold (Public Record)

Public Record #1516234028

$1,700,000—
Jul 6, 2023

Pending

FKMLS #604225

—
Jun 23, 2023

Backup Contract

FKMLS #604225

—
Jun 19, 2023

Pending

FKMLS #604225

—
Feb 17, 2023

Price Change

FKMLS #604225

$2,300,000—
Feb 17, 2023

Price Change

FKMLS #604225

$2,195,000—
Feb 17, 2023

Price Change

FKMLS #604225

$1,999,999—
Feb 17, 2023

Listed (Active)

FKMLS #604225

$1,895,000—
Apr 30, 1999

Sold

FKMLS #411669

$499,000—
Sep 10, 1998

Listed (Active)

FKMLS #411669

$539,000—
DateEvent & SourcePrice
11/01/2025

Listed (Active)

FKMLS #617096

$2,390,000
08/21/2025

Expired

FKMLS #615881

—
07/22/2025

Listed (Active)

FKMLS #615881

$2,390,000
07/25/2023

Sold

FKMLS #604225

$1,700,000
07/21/2023

Sold (Public Record)

Public Record #1516234028

$1,700,000
07/06/2023

Pending

FKMLS #604225

—
06/23/2023

Backup Contract

FKMLS #604225

—
06/19/2023

Pending

FKMLS #604225

—
02/17/2023

Price Change

FKMLS #604225

$2,300,000
02/17/2023

Price Change

FKMLS #604225

$2,195,000
02/17/2023

Price Change

FKMLS #604225

$1,999,999
02/17/2023

Listed (Active)

FKMLS #604225

$1,895,000
04/30/1999

Sold

FKMLS #411669

$499,000
09/10/1998

Listed (Active)

FKMLS #411669

$539,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 641 12th Street

Taxable ValueLand$929,280Additions$641,405Total$1,570,685
Tax Record2024$14,460 ($1,205 / month)
Home Facts
Beds3Baths2Total Finished SqFt2,001 SqFtAbove Grade Finished SqFt2,001 SqFtStories1Lot Size9,600 SqFtStyleSingle Family ResidenceYear Built1999Year Renovated2003CountyMONROEAPN00079871-002300

Schools near 641 12th Street

This home is within Monroe.
Rating
School
Type
Grades
Distance
Stanley Switlik Elementary School
Public - PK to 5
Marathon School
Public - 6 to 12
Coral Shores High School
Public - 9 to 12
Big Pine Academy
Charter - PK to 5
Rating
School
Distance
Stanley Switlik Elementary School
PublicPK to 5

Marathon School
Public6 to 12

Coral Shores High School
Public9 to 12

Big Pine Academy
CharterPK to 5

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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More information about 641 12th Street, Key Colony Beach, FL 33051

641 12th Street is a single family home for sale in Key Colony Beach, FL 33051. This property was listed for sale on November 1, 2025 by LPT Realty, LLC, it's currently listed at $2,390,000. It has been on the market for a total of 58 days and was last sold on July 25, 2023. This listing's school district is Monroe. Nearby schools include Stanley Switlik Elementary School, Marathon School and Coral Shores High School. 641 12th Street is a 3-bed, 3-bath, 2,001 sqft single family home built in 1999.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass makes no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

Listing Courtesy of LPT Realty, LLC

Based on information from one of the following Multiple Listing Services: Beaches Multiple Listing Service, Inc., Martin County REALTORS® of the Treasure Coast, Inc., Miami Association of REALTORS®. Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by Beaches Multiple Listing Service, Inc., Martin County REALTORS® of the Treasure Coast, Inc., Miami Association of REALTORS® is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.