For sale

$675,000

329 63rd Ct, Marathon, FL 33050

2beds

1,302sqft

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Duplex, Multi Family

Built in 1968

-- sqft lot

$644,400 Zestimate^®

$518/sqft

$-- HOA

What's special

Excellent opportunity to own a two-story duplex in the heart of Marathon. Each unit offers 1 bedroom and 1 bathroom, situated on a generous 10,591 SF lot. Ideal for redevelopment, expansion, or construction of a larger duplex, subject to local approvals. Prime location near popular restaurants, Sombrero Beach, Marathon Sandbar, Florida Keys Marathon Airport, and Curry Hammock State Park. A versatile property with strong upside potential in the Middle Keys.

165 days

222

3

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Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 2
Bathrooms: 2
Full bathrooms: 2

Heating

Electric

Cooling

Wall/Window Unit(s)

Appliances

Included: Refrigerator, Oven, Range, YES

Features

Other, Other Specialty Room
Flooring: Other
Windows: Other Windows/Doors

Interior area

Total interior livable area: 1,302 sqft

Property

Parking

Parking features: Carport
Has carport: Yes

Accessibility

Accessibility features: None

Features

Levels: Two
Stories: 2
Patio & porch: Patio
Water view: None
Waterfront features: None, Dockage: None

Lot

Size: 10,591 Square Feet
Features: Less Than 1/4 Acre

Details

Parcel number: 00336410000000
Zoning: RM
Zoning description: Residential Medium

Construction

Type & style

Home type: MultiFamily
Property subtype: Duplex, Multi Family
Attached to another structure: Yes

Materials

CBS
Roof: Tar/Gravel

Condition

Fixer
New construction: No
Year built: 1968

Utilities & green energy

Sewer: Public Sewer
Utilities for property: Sewer Available

Community & HOA

Community

Security: Other
Subdivision: Casa Blanca (50.5)

HOA

Has HOA: No
Services included: None

Location

Region: Marathon

Financial & listing details

Price per square foot: $518/sqft
Tax assessed value: $495,012
Annual tax amount: $5,510
Date on market: 1/22/2026
Listing terms: Cash,Conventional

Estimated market value

$644,400

$612,000 - $677,000

$3,215/mo

Price history

Date	Event	Price
3/12/2026	Price change	$675,000-3.6%$518/sqft
Source: FLKMLS #618269 Report a problem
1/22/2026	Listed for sale	$700,000+75%$538/sqft
Source: MIAMI #A11947574 Report a problem
4/26/2021	Sold	$400,000-5.9%$307/sqft
Source: FLKMLS #594271 Report a problem
1/21/2021	Listed for sale	$425,000+70%$326/sqft
Source: Key to the Keys Real Estate, Inc #594271 Report a problem
5/20/2004	Sold	$250,000$192/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$5,575 +1.2%	$495,012 +8.8%
2024	$5,510 +6.5%	$454,792 +10%
2023	$5,175 -5.3%	$413,447 +10%
2022	$5,464 +12.3%	$375,861 +24.9%
2021	$4,868 +7.7%	$300,912 +10%
2020	$4,521	$273,556 -0.6%
2019	$4,521 -0.2%	$275,094 +2.5%
2018	$4,530 +4.1%	$268,316 +1.6%
2017	$4,351 +2.1%	$264,087 +8.4%
2016	$4,260 +3.3%	$243,591 +14.6%
2015	$4,124	$212,564

Find assessor info on the county website

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HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.

Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.

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