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Browse All Marathon FL Above $1M Properties for Sale

$29,500,000
10 Beds 13 Baths 619972 MLS
Newly Built Gulf-front Sanctuary with Panoramic Views, Guest and Pool Houses, Luxe Outdoor Living, and a Deepwater Navigable Dock. Set on 3 secluded acres+/- along one of the most protected stretches of the Gulf of America, 57783 Morton Street is a newly completed estate of rare scale, privacy, and modern coastal design. Surrounded by water, sandscape, and tidal ponds alive with marine life, the property offers more than 200'+/- of direct water frontage and uninterrupted views across the open Gulf. Completed in 2025 by builder and developer Alderuccio Corporation, this resilient, elevated retreat is constructed entirely of concrete and impact glass and is designed for effortless indoor-outdoor living. With three distinct finished living spaces totaling approximately 10,000 SF+/-, the estate functions as a private resort offering privacy, recreation, and exceptional access to the best of the Florida Keys. Though private and serene, the estate remains close to everything that defines Keys living. Dining, marinas, and shopping are less than ten minutes away, and the Florida Keys Marathon International Airport lies 4 miles+/- from the property for seamless private aviation access. Deepwater routes, snorkeling coves, and renowned fishing grounds are just moments from the protected 100' dock. The architecture emphasizes clarity, durability, and immersion in water and light. Walls of impact glass capture views of the Gulf, the bay, and the property's own tidal ponds, allowing natural light to animate the interiors throughout the day. Generous room proportions, ceiling heights of 10' to 12', and open circulation reinforce a sense of airiness and connection. Every finish, from porcelain flooring to quartzite counters and exterior of shell-stone, was selected for both resilience and refined coastal style. Smart home systems, solar power with battery backup, and integrated storm protection underscore a commitment to performance and longevity.

57783 Morton St, Marathon

$2,950,000
3 Beds 2 Baths 619945 MLS
An Exquisite Tropical keys living experience awaits. A natural setting with sunset views in the warmth of a coastal home located along this beautiful bayside waterfront corner lot. This home is surrounded by 155 feet of seawall & a fabulous 35+ foot dock equipped with a 13,000 lb boat lift with Quick easy access to the Gulf. Ease in navigating the bay waters for docking & terrific for even the ''monster'' boats! Multiple docking configurations possible! This stilted home provides tranquil privacy & easy living. A concrete pad below provides lots of covered out door living space along with an enclosed a flex space area plus a double car garage that can handle a full size truck! Staying home for the day? Cool off in your pool or sit in the shade of the coconut trees. Want to take a water break? Private steps into the bay give you easy access to launch your kayaks or paddle boards. Enjoy the views of the gulf & sunsets from your patio & backyard. This open floor plan, high ceilings 3 bedroom, 2 bath home has amazing appointments & finishes throughout. A beautiful kitchen designed for the most discerning chef with: expansive island, stunning granite counters, nicely upgraded 1 year new SS appliances, double Pantry cabinetry & storage galore. Plus a morning coffee bar with upper & lower cabinets , sink & beverage fridge. The Primary ensuite provides a spacious room, natural light, a walk-in shower, a soaking tub & double sinks with drawer/cabinetry vanity, pendent lights plus a TV. Both bathrooms have tile decorative features along with stunning granite counters in primary & Quartz in Guest room + framed mirrors. Additional storage in separate laundry room & linen closets. The expansive patio, dock & stairs recently redone with maintenance free composite; Never have to paint or replaced. This almost new construction has barely been lived in used as a part-time getaway & Never been a rental. The construction is built 2 feet above flood elevation. A true

217 Bruce Ct, Marathon

$4,390,000
3 Beds 3 Baths 619918 MLS
Welcome to an elevated expression of island living at 23 Treasure Road in the heart of the Florida Keys. This impeccably maintained waterfront residence showcases breathtaking panoramic ocean views from every vantage point, including the pool, main living areas, dining space, primary suite, and tiki hut. Designed for effortless entertaining and everyday enjoyment, the pool is ideally positioned on the main living level alongside the kitchen and gathering spaces, creating a seamless indoor-outdoor flow rarely found in waterfront homes. Relax poolside while enjoying ocean breezes and endless blue water views. The upper level features two beautifully appointed bedrooms and three baths, enhanced by impact-rated doors, windows, and hurricane sliders for style and peace of mind. Downstairs, a private guest suite and expansive finished bonus space provide flexibility for guests, entertaining, or recreation. The oversized dual-entry garage accommodates up to three vehicles and offers exceptional space for the Florida Keys lifestyle, with plenty of room for fishing gear, dive equipment, water toys, and additional storage. A dedicated tackle room adds convenience for avid anglers and boaters alike. Along the water's edge, a substantial 200 foot rock seawall provides protection and presence, while the private boat ramp, dock, and boat lift offer effortless access to world-class boating and fishing. Two separate gated entrances welcome you into a lush, meticulously landscaped setting complete with privacy walls, mature hedges, and fencing for a serene and secluded atmosphere. Situated on an oversized parcel, this rare waterfront offering presents an exceptional opportunity to enjoy the ultimate private coastal retreat in the Florida Keys.

23 Treasure Rd, Marathon

$3,650,000
4 Beds 4 Baths 619913 MLS
Enter the bougainvillea-lined gates of Casa Feliz, a private oceanfront retreat on Grassy Key with expansive water views, white sand beach, and a true resort-style experience in the Florida Keys. An exceptional investment opportunity, Casa Feliz is a strong producing vacation rental with rental history and future bookings already in place. Set on over 24,000 square feet of lush grounds with mature landscaping, fruit trees, fresh herbs, and .29 acres of bay bottom, this exceptional estate is designed for both relaxation and entertaining. An observation pier invites kayaking, paddleboarding, fishing, and endless enjoyment of marine life, while the unique orientation captures both breathtaking sunrise and sunset views over the water, a rare and coveted feature in the Keys. Outdoor living is elevated with a resort-style saltwater pool featuring cascading waterfalls, spillover spa, and fully equipped poolside cabana complete with wet bar, refrigerator, ice maker, and cooking area. A fire table and beachside fire pit create the ultimate setting for entertaining or unwinding beneath the stars. Completely renovated down to the studs in 2022, the three-story residence was thoughtfully redesigned to maximize sweeping ocean views from nearly every room. Offering four custom bedroom suites, each with private en-suite bath, the home comfortably accommodates guests in luxury. The top-floor penthouse suite features a private balcony, 180-degree ocean views, custom 96-inch circular bed, and kitchenette with coffee station. Expansive accordion impact glass doors seamlessly blend indoor and outdoor living throughout. The gourmet kitchen showcases Café appliances, induction cooktop, quartz countertops, mosaic tile backsplash, wine cooler, glass shelving, and multiple dining areas ideal for hosting. Additional highlights include a movie theater, library loft, Control4 smart technology, custom millwork, local artist mural, and more. Discover why Grassy Key is the place to be.

58652 Overseas Hwy, Marathon

$1,750,000
3 Beds 2 Baths 619885 MLS
Welcome to Key Lime Kottage, a charming waterfront retreat in Grassy Key where life slows down, the water calls, and every day feels like a Florida Keys escape. Currently in a vacation rental program, this turn-key 3-bedroom, 2-bath home offers buyers and investors the rare combination of personal enjoyment, rental potential, privacy, and resort-style living. Kindly provide at least 24 hours' notice for showings. Preferred showing times are Saturdays during check-in/check-out windows, when access is most convenient. Tucked behind lush tropical landscaping, Key Lime Kottage welcomes you with soft yellow cottage charm, a metal roof, white picket appeal, and a peaceful waterfront setting that immediately invites you to relax. From the moment guests arrive, they can imagine themselves slowing down, breathing deeper, and enjoying the Keys lifestyle. A beautiful composite dock leads through the mangroves toward open Gulf views, creating the perfect place for morning coffee, kayaking, paddleboarding, sunset conversations, or quiet moments by the water. The outdoor living area is the heart of the property. With a screened-in pool, spa, covered lounging space, and natural privacy, it feels like a private resort designed for relaxation, connection, and unforgettable memories. Inside, the open living, dining, and kitchen layout feels warm, easy, and welcoming. The home is ready for immediate enjoyment, whether as a personal retreat, a vacation rental investment, or both. For investors, Key Lime Kottage offers strong guest appeal with waterfront living, Gulf views, pool and spa amenities, and proximity to the Dolphin Research Center, The Wreck Restaurant, downtown Marathon, grocery shopping, marinas, entertainment, and MillionAir. Buyers are not just purchasing a property here. They are stepping into peaceful mornings, golden sunsets, waterfront memories, and a Florida Keys lifestyle guests will want to return to again and again.

58773 Overseas Hwy, Marathon

$1,300,000
4 Beds 4 Baths 619866 MLS
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 property blends modern finishes with the relaxed Florida Keys boating lifestyle. A true boater's dream, each side offers its own 30' concrete dock and seawall (60' total) complete with 30-amp shore power. Enjoy quick ocean access and easy Gulf access via Vaca Cut, making this an exceptional setup for anglers and boating enthusiasts alike. The waterside outdoor spaces are designed for entertaining and enjoying the Keys lifestyle, featuring string lighting, solar-lit dock pilings, under-dock fish lights that attract snapper and tarpon, and frequent manatee visits along the canal. Located directly adjacent to Oceanfront Park & Dog Park, owners and guests enjoy immediate access to one of Marathon's premier waterfront parks offering a dog park, kayak launch, open green space, waterfront walking areas, playgrounds, and frequent community events. Conveniently located near Sombrero Beach, shopping, dining, and Florida Keys Marathon International Airport. Currently tenant occupied with both units rented month-to-month. This property also has strong vacation rental potential. Ideal opportunity to live in one side while renting the other, or maximize income potential with a fully turnkey investment property in one of the Florida Keys' most desirable boating communities. Current Insurances are very reasonable: $3,841 Flood (Covers both sides) 576 - $4,303 Wind 574 - $4,129 Wind 576 - $860 HO/Liability 574 - $721 HO/Liabilty (Pictures are of 576 99th, 574 is the same layout/finishes. Access can be arranged)

574 & 576 99th St, Marathon

$2,249,000
4 Beds 3 Baths 619793 MLS
Over 3400 sqft of Luxury Living is featured with this 2007 custom built CBS in the gated community of Stirrup Key Sub in Marathon. Elevated water views, a deeded boat slip, protected community marina, multiple outdoor living areas and a private pool. Designed for both everyday comfort and entertaining, this multi-level home offers generous interior space, flexible living areas, and a thoughtful indoor-outdoor layout. The ground level features a three-car garage, ample storage, and direct access to the pool area, creating an easy flow for relaxing, hosting, and enjoying the Keys lifestyle. The second floor serves as the main living level with two bedrooms, two full baths, a full kitchen, and open living and dining areas that extend onto a large screened lanai. This level is ideal for casual gatherings, quiet mornings, and evening breezes. The third floor offers a private primary suite, sitting area or fourth bedroom, bar/kitchenette, fireplace, spa-style bath, and an expansive lanai with peaceful elevated views. A spiral staircase leads to the fourth-floor widow's walk, finished with travertine flooring and a water hookup. From this vantage point, panoramic views stretch across Marathon and toward the Gulf, creating a quiet setting for sunrise, sunset, and open-air relaxation. A private nature path winds through preserved surroundings and leads to a Gulf-front observation dock, ideal for wildlife viewing and enjoying the surrounding natural setting. Additional features include a lift to the second floor for added convenience. Centrally located in Marathon, the home offers convenient access to shopping, dining, & daily necessities. With a deeded marina slip, elevated water views, pool, garage space, storage, multiple lanais, and a flexible custom layout, this property offers a rare combination of privacy, space, and boating access in Marathon. Schedule a private showing to experience this custom home and deeded marina slip in person.

205 Stirrup, Marathon

$1,300,000
3 Beds 3 Baths 614988 MLS
Experience the pinnacle of oceanfront living in this breathtaking townhome within the highly sought-after Bonefish Yacht Club — a private, upscale enclave nestled along the sparkling waters of the Atlantic. This meticulously maintained 3-story residence offers exceptional coastal elegance, privacy, and resort-style amenities. Step into an open-concept living space that seamlessly blends indoor comfort with outdoor serenity. Enjoy water views from multiple balconies, perfect for morning coffee or sunset cocktails. The interior features a thoughtfully designed floor plan, and refined coastal décor creating a serene sanctuary ideal for both full-time residence or a luxury vacation escape. One of the property's most coveted features is the included 40' legal, liveaboard boat slip — offering deep water, direct ocean access with no fixed bridges, making it an ideal choice for avid boaters, fishermen, or those seeking the freedom of the open sea at their doorstep. Wake up and step aboard for a day on the water, with world-class sportfishing, diving, and island hopping just minutes away. The Bonefish Yacht Club community provides residents with a resort-like atmosphere, complete with amenities such as a pool, clubhouse, marina, and a peaceful, private setting that captures the essence of luxurious, laid-back island living. Don't miss your opportunity to own a piece of paradise in one of the Florida Keys' most desirable communities.

95 Coco Plum Dr Unit 5D, Marathon

$2,099,000
4 Beds 4 Baths 619705 MLS
Welcome to this newer 2021-built CBS home in the desirable Coco Plum Beach area, offering modern construction, generous living space, and a beautiful connection to the natural beauty of the Florida Keys. This 4-bedroom, 4-bath residence offers approximately 3,010 square feet of finished living area, a metal roof, and approximately 1,046 square feet of covered porches for seamless indoor-outdoor living. Built especially high for peace of mind, even the garage sits approximately one foot above base flood elevation. Inside, the home features a bright open layout with spacious living and dining areas, oversized bedrooms, and a beautifully designed kitchen with custom cabinetry, natural stone countertops, and a propane stove. Additional features include a whole-house generator, propane water heater, and a 500-gallon built-in fuel tank. The large primary suite includes a private porch overlooking the Atlantic, open water views, an oversized walk-in closet, and attractive bathrooms with walk-in showers. Situated on a half-acre double lot surrounded by lush mangroves, the property offers a peaceful, tucked-away setting directly across from the beach. Enjoy privacy, tropical surroundings, an orchid garden, cistern, fenced yard, and exceptional outdoor living potential. Seller has completed preliminary planning for a future pool and landscape design, with a conceptual pool rendering, pool quote, landscape quotes, and scale drawings available upon request. Final design, permitting, pricing, and installation to be verified by buyer. Boaters will love the approximately 80-foot ipe dock with power, water, and cleats, plus a turning basin suited for a larger boat or multiple-boat configuration. With deep draft water and ocean access, this is a rare opportunity for serious boating. Additional features include a ranch-style entrance, large 660-square-foot garage/workshop, extra lower-level utility space, and a golf cart-friendly neighborhood.

1300 Ave H, Marathon

$3,197,000
8 Beds 6 Baths 619555 MLS
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 utilities--ideal for investors, vacation rental operators, or owner-occupants seeking rental income. Both units have been well maintained and offer spacious, open floor plans with updated kitchens, ample natural light, and modern finishes. Each side opens to its own private pool--perfect for guests or personal use. The tropical landscaping, fenced yard, and multiple lounging areas create a true retreat atmosphere. A 40-foot dock provides direct water access, making this a boater's dream with potential for added rental income from dock usage. Just minutes from open water with a 4' control depth, this property is a rare find in today's market. Additional features include: Separate laundry for each unit Ample parking Turnkey rental-ready with proven rental history Zoned multifamily Potential for short-term rental (verify with municipality) Centrally located near beaches, dining, shopping, and top local attractions, this duplex delivers strong year-round rental demand. A perfect blend of luxury living and passive income potential. Financials available upon request to qualified buyers. Call to schedule your private showing today.

217 Sombrero Beach Rd Unit 1 & 2, Marathon

$8,299,999
3 Beds 4 Baths 619460 MLS
Tucked on the private shores and gated community of Tingler Island, this one-of-a-kind dual-waterfront estate is where the Florida Keys lifestyle reaches its fullest expression. Design/Build by D'Asign Source, meet Bella Vista, a coastal-modern renovation. Experience the ultimate coastal dichotomy: wake to the breathtaking panorama of the Atlantic Ocean, while enjoying the calm, effortless convenience of protected canal-front docking. A rare luxury configuration w/ Main Home on the Open Atlantic Ocean to Guest Home on Canal Frontage. Spend your mornings fishing, afternoons floating in your multi-level infinity pool as it disappears into the ocean horizon & evenings gathered around the gas fire pit beneath swaying palms & stars. The 8' wide by 107' concrete dock accommodates two boat lifts (3,000 & 17,000 lbs) w/ water, electric, & lighting along the full seawall, everything a serious boater needs. The single-bedroom Main Home stuns w/ soaring 18-ft vaulted ceilings, exposed wood beams, & a wall of six floor-to-ceiling glass panels that open to frame the Atlantic as your daily backdrop. The gourmet kitchen features Sub-Zero & Wolf appliances, a Miele coffee system, a 10-ft island, Brittanica quartz countertops, & a temperature-controlled glass wine wall. A sea-inspired chandelier, custom wall paneling & thoughtful finishes flow throughout. The expansive Primary Suite anchors the home w/ ocean views, a floating soaking tub, glass rain shower, dual sinks, & a built-in home office tucked into the layout. The private Guest Home above the double garage offers 2 beds, 2 baths, a kitchenette, private balcony, & its own washer/dryer-ideal for guests or family. Outside, resort-style grounds include a gazebo w/ marble dining table, outdoor kitchen w/ Lynx premium grill & fridge, beach sand, fruit garden, Tuuci marine-grade parasols, tiki torches, Coastal Source audio, 1,000 gallon gas tank & full home generator. Bella Vista isn't just a home, it's your Keys life, fully lived.

100 Tingler Ln, Marathon

$1,349,000
2 Beds 2 Baths 612863 MLS
This exceptional furnished waterfront home offers luxurious comfort, modern upgrades, and excellent boating access, complete with a heated pool, 60 feet of dockage, and a charming tiki hut. Rated '10 - Exceptional' on VRBO, it is also a proven vacation rental with future bookings already in place. Inside, tile floors and tasteful nautical décor create a bright, inviting feel. The living area features a leather sofa, loveseat, 55-inch smart TV, and free WiFi. The kitchen is well equipped with granite countertops, stainless steel appliances, a farm sink, and an island with seating for four, while the dining area comfortably seats six. The primary suite includes a king-size bed with a gel memory foam mattress, a 32-inch smart TV, and a private bath with a walk-in shower. The guest bedroom offers two queen beds, a smart TV, and access to a second full bath with a walk-in shower. An indoor washer and dryer, linens, and pool towels add convenience. Outside, the spacious deck and tiki hut feature a dining area, swings, and a 45-inch TV overlooking the water. The pool area includes brand-new chaise lounges and an outdoor dining set. Boaters and anglers will appreciate the bait freezer, commercial ice machine, fish cleaning station, and direct deep-water access to both the Gulf and Atlantic. Recent updates include a new range, bait freezer, and kitchen faucet in 2024; HVAC, tiki hut, and commercial ice machine in 2020; and a metal roof with impact windows in 2019. Ideally located near the 7-Mile Bridge and Vaca Cut, this home is perfect for boating, fishing, relaxing, or enjoying the best of the Keys lifestyle.

8188 Aviation Blvd, Marathon

$2,495,000
4 Beds 3 Baths 619303 MLS
Beautifully appointed 4-bedroom, 3-bath waterfront residence located in the highly desirable Coco Plum neighborhood of Marathon. This spacious two-story home showcases breathtaking open water views from nearly every room and is thoughtfully designed for both relaxed coastal living and effortless entertaining. The main living level features an open-concept floor plan filled with natural light, with a bright and airy living area perfectly positioned to capture the stunning water views. This level also includes two well-appointed guest bedrooms and a full bath, ideal for family and visitors. Upstairs, you'll find two expansive primary suites, each offering private en-suite baths and elevated panoramic water views, creating a true private retreat. Outdoor living is exceptional, featuring three covered terraces spanning both levels of the home, a large resort-style pool, and a convenient poolside prep station complete with sink and storage--perfect for entertaining or enjoying the Keys lifestyle. Boating enthusiasts will appreciate 50 feet of deep-water dockage with quick and easy ocean access. Additional features include covered parking, washer and dryer, dishwasher, bait freezer, fish cleaning station, and more. Ideally located near Coco Plum Beach, this property offers a rare combination of privacy, comfort, and the ultimate Florida Keys lifestyle. Currently operating as a successful short-term rental and being sold fully furnished, this home presents an exceptional turnkey investment opportunity with strong income-producing potential, as well as the perfect personal getaway.

171 Ave D, Marathon

$2,950,000
5 Beds 5 Baths 619118 MLS
Stunning new waterfront residence offering 5 bedrooms, 5 bathrooms, and 3,458 square feet under air (5,204 total square feet), designed for luxury living and effortless entertaining. A spacious covered terrace with summer kitchen overlooks the private pool and tranquil canal, creating an ideal indoor-outdoor lifestyle. Boaters will appreciate 50+ feet of dockage, accommodating multiple vessels or personal watercraft. The ground level features a bedroom, full bathroom, family room, and laundry closet--perfect for guests or flexible living space. The second level showcases an expansive open-concept great room with kitchen, dining, and living areas, complemented by a built-in cocktail bar and separate coffee bar. This level also includes a bedroom with en-suite bath, an additional guest bathroom, and a covered private terrace with canal views. The top floor is highlighted by a spacious primary suite with walk-in closet, luxurious en-suite bath, and private terrace. Two additional bedrooms share a well-designed bathroom with separate sink and shower areas. A second full laundry room with mop sink and linen closet adds everyday convenience. Constructed with CBS construction, impact-resistant windows and doors, and a metal roof for durability and peace of mind. Dual-zone A/C systems allow for efficient climate control by level. Interior finishes include stone flooring on the ground level, wood flooring throughout the stairs and upper levels, porcelain tile in all bathrooms, and custom kitchen cabinetry and vanities with quartz countertops. Exterior features include stucco siding designed to replicate the look of wood with long-term durability, along with professionally designed landscaping for added privacy and curb appeal.

111 Ave D, Unit 2, Marathon

$1,595,000
4 Beds 3 Baths 619082 MLS
Welcome to your private slice of the Florida Keys lifestyle, where boating days, poolside afternoons, and sunset dinners by the water become part of everyday life. Ideally positioned on a deep-water canal in the heart of Marathon, this beautifully maintained 4 bedroom, 3 bathroom waterfront home blends relaxed island living with comfort, space, and functionality. Inside, the spacious layout is filled with natural light and designed for gathering and entertaining. The open living areas flow effortlessly into the dining space and kitchen, creating a warm and inviting atmosphere for family and guests. Just off the dining area, a dedicated bar area provides the perfect space for serving drinks and entertaining after a day on the water. The large primary suite serves as a peaceful retreat, featuring a generous bedroom and private en-suite bath, while the additional guest bedrooms are thoughtfully arranged to provide comfort and privacy. Well-appointed bathrooms throughout complement the home's relaxed coastal aesthetic. Step outside and the Keys lifestyle truly unfolds. The backyard is designed for relaxation and entertaining, highlighted by a private pool, a tiki hut for shaded outdoor dining, and a waterfront setting that invites you to slow down and enjoy island living. The full concrete dock is equipped with a 16,000 lb boat lift and sits on deep draft water with quick boating access to both the Atlantic and Gulf. An established vacation rental, the property offers flexibility for buyers seeking a strong investment opportunity, a 2nd home getaway, or a full-time residence. The attached garage provides valuable storage for all your toys and offers potential for conversion into a 5th bedroom or laundry room if additional space is desired. Located in the heart of Marathon, the home is just minutes from Marathon Airport, making travel to and from the Keys a breeze, while placing restaurants, bars, beaches, shopping, and nearby state parks all within easy reach.

11295 3rd Ave, Marathon

$4,490,000
5 Beds 5 Baths 619048 MLS
Stunning Gulfside Waterfront Residence with Panoramic Water Views. Experience exceptional waterfront living in this 2022 built home featuring 5 bedrooms and 4.5 bathrooms, perfectly positioned on the Gulf side with breathtaking water views from nearly every room. The main level offers a bright and open layout designed for both comfort and entertainment. A spacious modern kitchen showcases elegant cabinetry, quartz countertops with a striking waterfall edge, and premium stainless-steel appliances. The kitchen flows seamlessly into the large dining and living areas, complete with a stylish wet bar, creating the perfect space for hosting and relaxing. This level also includes a convenient half bath and a utility room with laundry. Upstairs, the second-floor features five generously sized bedrooms and four full bathrooms. The expansive primary suite offers ample space, a beautifully designed modern bathroom, and a private porch where you can enjoy breathtaking sunset views over the water. Two additional bedrooms share a Jack-and-Jill bathroom and provide access to a balcony overlooking the pool and waterfront. A fourth bedroom, currently used as a home office, is located near another full hallway bathroom. The fifth bedroom is a private suite with its own ensuite bathroom. Outdoor living is just as impressive, featuring a large patio area ideal for entertaining, a spacious pool, and a 55-foot dock, making this property perfect for boating enthusiasts and waterfront relaxation. Additional highlights include a large two-car plus garage with ample storage space. This exceptional property combines modern design, generous living space, and stunning Gulfside views, creating a truly remarkable coastal home offering excellent convenience for boat owners. Boat Lift plans have already been approved and permits granted and available.

865 50th St, Marathon

$4,400,000
3 Beds 4 Baths 619002 MLS
Now priced UNDER recent appraised value of $4,500,000! Embrace the RARE opportunity to own 1.75 acres of open water paradise in the prestigious, gated community of Stirrup Key. Over 600' feet of direct, open Gulf frontage, you'll enjoy spectacular sunrises and sunsets from nearly every vantage point, including a charming sunset gazebo overlooking the iconic Seven Mile Bridge in the distance. The custom Mediterranean-style residence captures the essence of resort living with expansive pavered patios, sparkling elevated pool, and spacious lounging areas absolutely perfect for entertaining against a stunning Gulf backdrop. Five protected basin docks provide sheltered boating access in the marina, while terraced tropical gardens cascade toward the water, lined with mature palms and lush landscaping for a serene coastal ambiance. Inside, soaring cathedral ceilings, wood plantation shutters, and an airy great room with real coral fireplace showcase timeless Keys craftsmanship. The split-bedroom layout ensures privacy, with a luxurious master suite featuring dual closets and skylit bath, plus separate guest quarters. Additional highlights include an elevator, 12,000-gallon cistern, huge garage for cars and golf carts, and a large lower-level storage area with workbenches, pool table, and extra laundry facilities. This gated community, with unique architecture, fewer lots, limited rentals and higher quality restrictions help to sustain a premium and private feel. Only minutes from the Marathon Airport, this one-of-a-kind estate combines open-water grandeur with island tranquility, a true Florida Keys sanctuary.

111 Windy Point Cir Unit & Lot 78, Marathon

$7,000,000
618926 MLS
'United States Bankruptcy Auction. The Listing Price is for MLS Purposes only. 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. https://www.dropbox.com/scl/fo/6zvlde9vkafsi4gyurrge/AFbZzVpEx4s1umkeSKne1Us?rlkey=9ejdq1stq5w01ifjwsdhdrzyh&st=nzppom5j&dl=0 Rare oceanfront development opportunity in the heart of the Florida Keys. Encompassing nearly 6 acres of pristine oceanfront land in Grassy Key, this exceptional parcel presents an ideal canvas for developers seeking to create luxury residential units with direct oceanfront and beach access. Surrounded by unspoiled natural beauty and tranquil beaches, the property offers immediate proximity to shopping, fine dining, spas, marinas, and world-class boating. Residents will enjoy unparalleled access to deep-sea fishing, scuba diving, snorkeling, and vibrant coral reefs, all set against the backdrop of the Keys' iconic turquoise waters. Located in Marathon, often referred to as the Heart of the Florida Keys, the site benefits from a highly desirable central Keys location, conveniently positioned between the Upper Keysâ€''such as Islamoradaâ€''and the Lower Keys, including Key West. Marathon is known for its rich maritime history, local airport, and accessibility, serving as a central hub comprising islands such as Vaca Key, Duck Key, and Grassy Key. A truly rare offering combining scale, location, and oceanfront presenceâ€''an exceptional opportunity to develop a legacy project in one of Florida's most coveted coastal destinations. Please read the broker's remarks for detailed information on this offering.

57478 Overseas Highway, Marathon

$2,995,000
6 Beds 6 Baths 616770 MLS
Luxury Waterfront Estate & Premier Vacation Investment - Marathon, FL Introducing The SaltyLime, a rare new-construction waterfront estate completed in 2024 and designed to deliver both tropical elegance and outstanding rental performance. This fully turnkey 6-bedroom, 6-bath property blends the relaxed lifestyle of the Florida Keys with resort-style amenities and seamless indoor-outdoor living. The main house features three spacious king suites and a custom nautical themed bunk room, while two detached bungalows each offer private king suites with individual climate control, creating accommodations for up to 14 guests. Every detail has been thoughtfully designed, from the professionally styled interiors to the island-inspired kitchen with a bar area for entertaining. Outside, expansive living spaces include a heated and cooled saltwater pool and spa, a two-story tiki deck, expansive outdoor living area, and 90 feet of deep-water dockage with slips for up to four boats. As an investment, The SaltyLime has proven itself from the start, generating 32 weeks booked and more than $235,000 in its first year and has already secured over $280,000 in current and future reservations, all supported by a flawless 5-star guest review record across all platforms. The estate comes fully furnished and rental-ready, complete with branding and website, décor, future bookings and systems already in place, making it an effortless transition for new owners. Perfectly suited for boaters, anglers, and families alike, this property is more than a vacation home—it's a high-performing asset and a slice of Keys paradise ready to be enjoyed

398 70th St, Marathon

$1,999,999
3 Beds 2 Baths 614056 MLS
Discover an extraordinary waterfront oasis in the heart of the Florida Keys. Located just moments from the pristine sands of Sombrero Beach, this elegant estate blends modern sophistication with the relaxed charm of coastal living. Designed for the discerning buyer, every detail of this property reflects luxury, comfort, and an unparalleled boating lifestyle. Elevated foundation - permitted for finished interior living space, unlike many other properties in the area. Expansive Two-Story Detached Garage - At 50 feet in length, this impressive structure is ideal for storing all your Florida Keys toys--boats, jet skis, and luxury vehicles or even your class A motorcoach. Composite Dock & Boat Lift with 69 feet of premium dockage, enjoy easy deep-water access to the Atlantic Ocean. The 18,000 lb. boat lift is perfect for safeguarding your vessel while offering effortless on-the-water adventures. Two-Car Garage An additional attached two-car garage provides even more space for vehicles and storage. There is a new condenser coil in the AC unit, a new tankless hot water heater and a new whirlpool washer and dryer. Whether you're an avid boater, a beach lover, or simply seeking a private retreat, this estate delivers a lifestyle where every day feels like a vacation. Schedule your private tour today and experience the best of Marathon's waterfront luxury. Live where others vacation - 415 Sombrero Beach Rd is your gateway to paradise.

415 Sombrero Beach Rd, Marathon

$11,000,000
18 Beds 21 Baths 615103 MLS
Welcome to an unparalleled collection of THREE designer residences on one of the most exclusive waterfront parcels in the Florida Keys. Located just steps from Coco Plum Beach and the Atlantic Ocean, this rare investment opportunity is the ultimate blend of luxury, lifestyle, and income potential. Professional Designed and built by D'Asign Source in 2019, each residence is a testament to timeless architecture, sophisticated interiors, and exceptional craftsmanship. Each of the three homes spans off 4,066 square feet and features 6 spacious bedrooms and 6.5 bathrooms with custom millwork and designer fixtures. The interiors are professionally furnished with a curated blend of comfort and elegance, complemented by expansive ceiling heights, open-concept living areas and balconies throughout. Designed with privacy in mind, each home includes its own private pool, tiki hut, and a dock offering deepwater and direct ocean access. Impact windows and doors provide storm security and peace of mind, while each home offers three (3) air conditioning units to ensures optimal climate control on each level. Boating an abundance of storage on each level, an oversized laundry room, walk in pantry and en- suite accompanying each room. Whether you envision a serene family compound, a luxury short-term rental business, or an exclusive corporate retreat, this property offers incredible versatility and value. Zoned for weekly rentals, the income potential is substantial, making this one of the most attractive investment opportunities in the Florida Keys.

2394 Coco Plum Dr, Marathon

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