About This Home

This 4-bedroom, 2-bathroom multi-family at 285 A 66Th Street in Marathon, FL is listed for $750,000 ($424 per sqft). Built in 1971, the home offers 1,770 sqft of living space on a 0.12 acres lot.

Key Features

  • Built in 1971
  • 0.12 acre lot

Property Details

2 full
1971

Amenities

ViewA/C
Listing Description

Move-in ready and thoughtfully updated top to bottom, this full duplex offers two versatile living spaces with major systems and finishes refreshed in recent years. Each unit features a fully updated kitchen with new cabinetry, countertops, and appliances, along with a completely renovated bathroom.

Flooring throughout has been replaced, giving both units a clean, modern feel from the moment you walk in. The electrical system has been upgraded for improved safety and reliability -- a meaningful value-add for buyers and investors alike. Whether you're looking for a savvy income-producing property, a multi-generational living setup, or house-hac

king potential in a strong rental market, this duplex delivers flexibility with the peace of mind that comes from recent renovations. Don't miss this opportunity to own a turnkey duplex in a great location.

Monthly Cost Estimate

$4,011/mo

20% down · 6.5% · 30 years

Principal$542
Interest$3,250
Insurance$219

Estimates only. Actual payments may vary.

Location

285 A 66Th Street

Marathon, FL 33050

Puerta Del Sol (50.5)

Property Details

Flooring

Tile

Construction

CBS Concrete

Views

Water

Parking

Open

Heating

Central

Cooling

Central Air

Appliances

WasherDryerDishwasherRefrigeratorRangeOvenMicrowave

Questions & Answers

This 4-bedroom, 2-bathroom multi-family at 285 A 66Th Street is listed at $750,000 ($424/sqft). The estimated monthly payment is $4,011 based on 20% down, a 30-year loan at 6.5% interest, estimated insurance.

Key features include: Built in 1971, 0.12 acre lot.

This property is listed by Brenner Scheel Casey.

BC

Brenner Scheel Casey

License BK339103, BK3179545, SL3504409

Agent at Florida Keys Real Estate Group

Listed by Florida Keys Real Estate Group · Broker phone: (305) 664-1453 · View on Broker Site · Broker website

MLS# 621145· Source: Marathon and Lower Keys Association of Realtors· 64 days on PropertySimple

Copyright © 2026 Marathon and Lower Keys Association of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

285 A 66Th Street, Marathon, FL 33050

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