NOT LISTED FOR SALE

275 15th Cir Marathon, FL 33051

Key Colony Beach Area

Estimated Value: $7,252,673

5 Beds

5 Baths

6,420 Sq Ft

$1,130/Sq Ft Est. Value

Date Sold: February 23, 2026

Last sale price $11,200,000 $1,745 Per Sq Ft

Est. 35% decrease in value since last sale

Current estimated payment $47,192 / mo

Highlights

Airstrip
New Construction
Waterfront
Ocean View
In Ground Pool
0.46 Acre Lot

About This Home

As of February 2026

This home is located at 275 15th Cir, Marathon, FL 33051 since 23 February 2026 and is currently priced at $7,252,673, approximately $1,129 per square foot. This property was built in 2023. 275 15th Cir is a home located in Monroe County.

Last Agent to Sell the Property

Brian Schmitt

Coldwell Banker Schmitt Real Estate Co. License #147809 Listed on: 02/23/2026

Last Buyer's Agent

Ginger Henderson, Broker

American Caribbean Real Estate - Middle Keys

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Home Details

Home Type

Single Family

Est. Annual Taxes

$39,743

Year Built

Built in 2023 | New Construction

Lot Details

20,325 Sq Ft Lot
Waterfront
Property is zoned R-1A - Key Colony Single Family

Interior Spaces

6,420 Sq Ft Home
Ocean Views

Bedrooms and Bathrooms

5 Bedrooms
5 Full Bathrooms

Outdoor Features

In Ground Pool
Airstrip
Davits

Utilities

Central Air
Separate Meters
Public Hookup Available For Sewer

Community Details

No Home Owners Association
Coury Sub Subdivision
Rental Restrictions

Listing and Financial Details

Assessor Parcel Number 00079872009500

Home Details

Home Type

Single Family

Est. Annual Taxes

$39,743

Year Built

Built in 2023 | New Construction

Lot Details

0.47 Acres

Listing Details

Property Type: Residential
Style: Single Family
First Right of Refusal: No
Mandatory HOA: No
Fee Includes: None
Key Island: Key Colony
Limited Representation: No
Marathon Neighborhood: N/A
Mile Marker: 53.50
M L S Identifier: 20060123165453488875000000
Neighborhood Feature: Airstrip
Pets: Pets Allowed
Property Group I D: 19990816212109142258000000
Sale Terms: Cash
Side: Ocean
State Province: FL
Taxes: 39743.13
Year Built: 2023
Alternate Key Number: 8734204
Cooling Heating: Central Air
Lot Sq Ft: 20325.00
Pool Info: In Ground
Tax Exemptions: None
Building Style Above Flood: Unknown
Estimated Living Sq Ft: 6420.00
Property Condition: New Construction
Sewer Hook Up: Yes
Statistical Purposes Only: Yes
Special Features: NewHome
Property Sub Type: Detached

Interior Features

Total Bathrooms: 5.00
Full Bathrooms: 5
Appliances: Refrigerator
Total Bedrooms: 5

Exterior Features

Dockage: Davits
Waterfront: Open Water
Waterfront: Yes
Construction: CBS
Waterview: Ocean View
Pool: Yes

Utilities

Utilities: FKAA, Elect Separate Meter, Municipal Sewer

Lot Info

Deed Restrictions: Unknown
Parcel Number: 00079872009500
Lot Size: X
Land Size: 1/4 - 1/2 Acre
Acres: 0.46

Rental Info

Rentals Allowed: With Restrictions

Tax Info

Tax Year: 2025

Agents Specializing in Marathon, FL

Derek Varona

Sea Grove Realty

(786) 460-5548

106 Total Sales

4 in Key Colony Beach

$599,000 Price Range

Derek Varona
Rafael Monterrey

Balistreri Real Estate Inc

(844) 721-4864

159 Total Sales

1 in Key Colony Beach

$449,000 Price

Rafael Monterrey
Ismaris Texidor

Real Estate Sales Force

(786) 891-8625

41 Total Sales

3 in Key Colony Beach

$1,275,000 Price Range

Ismaris Texidor
Carolyn Ambler

American Caribbean Real Estate, Christie's International Real Estate

(475) 231-4734

38 Total Sales

1 in Key Colony Beach

$1,900,000 Price

Carolyn Ambler
Joshua Mothner

Coldwell Banker Schmitt Real Estate Co.

(786) 751-4280

107 Total Sales

16 in Key Colony Beach

$365K - $1.7M Price Range

Joshua Mothner
Bernice Schafer

Vested Palm Real Estate and Home Services

(888) 614-9574

66 Total Sales

2 in Key Colony Beach

$929,000 Price Range

Bernice Schafer

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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
02/23/2026 02/23/26	Sold	$11,200,000	0.0%	$1,745 / Sq Ft
02/23/2026 02/23/26	Pending	--	--	--
02/23/2026 02/23/26	For Sale	$11,200,000	--	$1,745 / Sq Ft

Source: Marathon and Lower Keys Association of REALTORS®

Agents Affiliated with this Home

Seller's Agent in 2026

Brian Schmitt

Coldwell Banker Schmitt Real Estate Co.

(305) 289-6500

56 Total Sales

Brian Schmitt
G

Buyer's Agent in 2026

Ginger Henderson, Broker

American Caribbean Real Estate - Middle Keys
Buyer's Agent in 2026

Ginger Henderson

Coldwell Banker Schmitt Real Estate Co.

(305) 731-5751

47 Total Sales

Ginger Henderson

See All Agents

Map

Source: Marathon and Lower Keys Association of REALTORS®

MLS Number: 618789

APN: 00079872-009500

Florida Monroe County Marathon 33051

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Nearby Homes

275 15th Cir Marathon, FL 33051

Sale Details

Highlights

About This Home

Home Details

Home Type

Est. Annual Taxes

Year Built

Lot Details

Interior Spaces

Bedrooms and Bathrooms

Outdoor Features

Utilities

Community Details

Listing and Financial Details

Home Details

Listing Details

Interior Features

Exterior Features

Utilities

Lot Info

Rental Info

Tax Info

Home Values in the Area

Average Home Value in this Area

Agents Specializing in Marathon, FL

Property History

Agents Affiliated with this Home

Map