Marathon, FL Multifamily Homes & Duplexes for Sale

Live and/or work in this RARE 100' of waterfront re-development opportunity with DEEP WATER DOCKAGE APPROVED! 200' HIGHWAY FRONTAGE! Huge 74,890 SQ FT site with an approved Conditional Use PERMIT for 10 unit and 4 affordable staff group home units. 6 TBR's are available to add on, more are available. No TDR's required for pure commercial use! This MIXED USE ZONING has many commercial-residential

Peter Schwarz-Top Producer LoKation Real Estate - Pompano Beach

Magnificent legal duplex in the vibrant heart of the Florida Keys, offering highly sought-after 7-day rental flexibility--an exceptional advantage for investors and homeowners alike. Elevated on stilts, this impressive property features two spacious bedrooms and two full bathrooms on each side, creating the perfect setup for extended families, dual living, or maximizing rental income. Ideally

Frank Griffiths Lokation Real Estate

Agustin Cantens Luxe International Realty

'United States Bankruptcy Auction. The Listing Price is for MLS Purposes only. Actual Price will be determined at Auction. The Auction will take place Live via Zoom on Thursday, September 10, 2026 at 11 AM ET. Bidder Registration Packages and Qualifying Deposits are due on or before Tuesday, September 8, 2026 at 5:00 PM ET. Excellent opportunity to own a two-story duplex in the heart of

Iliana Abella Compass Florida - Miami Beach

INCOME PRODUCING! Unlock the potential of this rare Marathon property located in the desirable Vaca Village neighborhood. Situated on a 5,158-square-foot lot, this duplex currently features two separate 1-bedroom, 1-bath residences, providing immediate income-producing potential while offering outstanding future upside. Whether you're seeking rental income, a redevelopment project, or the

Chuck Mack EXIT Realty Paradise

Rare canal-front duplex on Duck Key's prestigious Indies Canal with 70 feet of new composite dockage, sweeping canal views, and deep-water access to both the Gulf and Atlantic. New roof, new AC, and precast concrete construction throughout -- this is a solid, storm-ready build with significant insurance advantages over at-grade alternatives and no deferred maintenance surprises. Two

Brenner Scheel Casey Florida Keys Real Estate Group

Two homes on open water for the price of one! Over 18,000 square foot lot, bay bottom, two building rights. Wake up to endless Gulf views and fall asleep to breathtaking sunsets at this rare waterfront estate.Tucked away at the end of a quiet road, this unique multi-family property sits directly on the Gulf, offering unmatched privacy, open water views, and direct boating access. Whether

Bonnie Sanderson Florida Keys Real Estate Group

Beautifully renovated and fully turnkey duplex located on a deep-water canal in the heart of Marathon. This rare income-producing property features two spacious 2BD/2BA units, each offering approximately 927 sq. ft. of updated coastal living with impact windows and doors, granite countertops, stainless steel appliances, tile flooring throughout, and covered parking. Renovated in 2018, the

Alexia Mann Seafarer Realty LLC

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

Lamar Fisher Fisher Real Estate Services

Solid CBS full duplex in the heart of Marathon, set on an oversized 10,000 sq. ft. lot with mature native trees for added shade and privacy. Built for strength and long-term value, this elevated stilted property features concrete construction, a concrete roof, impact windows, newer HVAC systems, and four covered parking bays below. Each unit has been fully remodeled with gray faux wood flooring,

Sam Williams Coldwell Banker Schmitt Real Estate Co.

Incredible Income-Producing Full Duplex | 8 Bedrooms | 6 Bathrooms | 4 Bedrooms | 3 Bathrooms per Unit | 2 Pools | 40' Dock Rare opportunity to own a highly desirable, newer construction duplex offering exceptional income potential and resort-style amenities. This property features a total of 8 bedrooms and 6 bathrooms, with each side boasting 4 beds and 3 baths, private entrances, and separate

Casey Burtch Berkshire Hathaway HomeServices Keys Real Estate - Lower Keys

Discover a rare opportunity in the heart of the Florida Keys! This full duplex with TWO building rights offers 2 spacious, 2-bedroom, 1-bathroom units, each unit thoughtfully designed for comfort and convenience. Situated directly on a canal with quick access to open water, it's a dream for boating enthusiasts and an excellent choice for investors seeking strong rental income potential.Perfectly

Nate Bartlett Berkshire Hathaway HomeServices Keys Real Estate