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Browse All Marathon FL Between $400K - $500K Properties for Sale

$489,000
620752 MLS
One of Marathon's most iconic restaurants is now available for sale -- a rare chance to own and operate what many consider the best restaurant in the Florida Keys. Frank's Grill has operated at its current location since 2006, when the owner/chef relocated from what was previously regarded as one of Marathon's premier dining destinations. Today, Frank's Grill serves as the anchor tenant of Towne Square Mall, one of Marathon's busiest shopping plazas -- home to a steady flow of daily foot traffic and anchored further by a U.S. Post Office. This sale includes all FF&E (furniture, fixtures & equipment), current inventory, and proprietary recipes/assets. Walk in and start operating day one. Property & Licensing: • Seating: 47 inside / 10 outside (57 total) • 2COP Beer & Wine license currently in place Lease Terms: • New 5-year lease signed May 1, 2026 • Tenant option to renew after year 3 (subject to Assignment approval) With nearly two decades of brand recognition, a loyal local following, and an unbeatable high-traffic location, the goodwill alone in this business justifies the asking price. Opportunities to acquire an institution like Frank's Grill rarely come to market.

11400 Overseas Highway Unit 116, Marathon
$499,000
2 Beds ⋅ 2 Baths ⋅ 620582 MLS
Curated for those seeking the ideal waterfront retreat with the opportunity to make it their own, Spanish Galleon awaits. Waterfront two bedroom, two bathroom ground level condo with just over 1,000 square feet and no stairs to climb. Assignable dockage for a maximum 30-foot LOA vessel, for only $300 per year on a first come, first serve basis. This first-floor location provides effortless access for all ages and is conveniently situated just steps from the community pool and boat slips. Upon entry, you'll be welcomed by peaceful views of Boot Key Harbor from the living area and screened porch, creating the perfect backdrop for everyday living. This residence presents an exceptional opportunity to personalize the flooring to match your own style while adding instant value. Relax by the waterfront community pool or take advantage of the unbeatable Sombrero Boulevard location, just minutes from golf at the Florida Keys Country Club, grocery stores, restaurants, and everyday conveniences. Both the state and city required Building Recertification and Structural Integrity Reserve Study were completed, and the association maintains fully funded reserves, reflecting proactive management and long-term financial stability. Whether you're searching for a full-time residence, seasonal getaway, or investment in one of Marathon's most desirable waterfront communities, this Spanish Galleon condo offers exceptional potential in an outstanding location. Minimum rental period is 28 days, permitted once every six months if advertised online. One pet allowed per unit.

1115 Sombrero Blvd Unit 102B, Marathon
$435,000
1 Beds ⋅ 1 Baths ⋅ 620374 MLS
Wake up to waterfront balcony views, spend your days on the water, and generate rental income--all from this beautifully renovated and fully furnished retreat at Coco Plum Terraces. This bright and airy condo features a designer kitchen with white shaker cabinetry, quartz countertops, stainless steel appliances, and a coastal-inspired glass tile backsplash. Recent upgrades include impact windows and impact sliding glass doors, a smart thermostat, Blink video doorbell, new window screens, a new A/C condenser (June 2026), and an outside connection for generator. Coco Plum Terraces offers an exceptional waterfront lifestyle with a heated waterfront pool, tiki hut, trailer parking, and optional boat slips accommodating vessels up to 30 feet. Boaters will appreciate deep-water dockage and direct ocean access with no bridges. Weekly rentals are permitted, making this an opportunity for both personal enjoyment and investment income. Just minutes from Coco Plum Beach, dining, shopping, and world-class fishing, Unit 111 delivers the perfect blend of comfort, convenience, and Florida Keys charm.

105 Ave D, Unit 111, Marathon
$499,000
3 Beds ⋅ 1 Baths ⋅ 620215 MLS
Welcome to 213 Parrish Dr. on Grassy Key, FL. This 3 bedroom, 1 bath home is ready for you to make it home and it's priced for you bring your own upgrades and personality. All doors and windows have been upgraded to impact resistant, the living area is a generous open floor plan with large island style kitchen, extra large covered back porch, a huge workshop space underneath the house and the yard is fenced. So, bring your tools and your DIY imagination to make this Keys home shine. Call today for more information and to schedule a private viewing.

213 Parrish Dr, Marathon
$429,000
2 Beds ⋅ 3 Baths ⋅ 620168 MLS
Classic Keys Beach House Vibe with Proven Rental Income! Discover the ultimate Florida Keys getaway and investment opportunity with this 2-bedroom, 2.5-bathroom beachfront townhouse at Tranquility Bay Beach Resort in Marathon. Perfectly situated on the highly sought-after ''quiet side'' of the resort, this villa offers serene Gulf views and immediate proximity to the adult-only pool, the beach and the beautifully manicured Jack Nicklaus-designed putting greens. Tranquility Bay is a world-class, full-service resort featuring a pristine private beach, a beachside Tiki bar, three sparkling swimming pools (including a dedicated kids' pool and a tranquil adult pool), and the award-winning gourmet dining experience at the Butterfly Cafe. This property is a hands-free, turn-key investment. Owners are required to participate in the exceptional onsite nightly rental program, which completely manages the property for you. In 2025, this unit generated $51,000 in rental income to the owner. Enjoy up to 5 weeks of personal paradise each year while letting the resort handle the rest. Don't miss your chance to own a piece of the Keys lifestyle that pays you back!

2600 Overseas Highway Unit 48, Marathon
$495,000
2 Beds ⋅ 1 Baths ⋅ 619582 MLS
Updated, elevated, and centrally located, this 2-bedroom, 1-bath half duplex offers an appealing combination of durable construction, modern finishes, and flexible Keys living. Located in the heart of Marathon and surrounded by mature native landscaping, the residence features CBS construction, an elevated design, a concrete roof, impact-resistant windows, and a newer HVAC system. Inside, the thoughtfully remodeled interior offers an open, comfortable layout with updated flooring, granite countertops, stainless steel appliances, and clean coastal finishes. Two covered parking bays beneath the home provide convenient space for vehicles, a boat, trailer, bicycles, fishing equipment, paddleboards, and the recreational gear that comes with Florida Keys living. Additional open parking and RV or trailer parking add to the property's everyday functionality. With seven-day minimum rentals permitted, the residence offers versatility as a primary home, seasonal retreat, employee-housing solution, or investment property, subject to applicable regulations. Separate electric and water meters provide additional convenience. Ideally positioned near shopping, dining, marinas, beaches, the community boat ramp, and daily conveniences, this move-in-ready property places the best of Marathon within easy reach. The adjoining half duplex is also available for purchase, creating a rare opportunity to acquire the entire property for expanded housing, multigenerational living, or investment potential.

1306 51st St, Marathon
$410,000
618542 MLS
Two adjacent slips for sale in this Live-A-Board marina directly across from Coco Plum Beach in Marathon. Laundry, bathhouse & mail on site. Minimal rental period 180 days. Quick access to the Atlantic Ocean. Taxes & HOA shown are for both slips together. Additional Quarterly fees for reserves $46 & wastewater $174. Slips are not available separately. Website: cpbyc.com. Listing agent is co-owner.

100 Ave I Unit 35 & 36, Marathon
$424,900
2 Beds ⋅ 1 Baths ⋅ 619426 MLS
Step into your own private tropical oasis in the heart of Marathon. This charming two-bedroom, one-bathroom home perfectly captures the essence of Florida Keys living with an ideal blend of classic character and modern convenience.The property has been significantly refreshed for 2026, including a fresh coat of paint inside, along with new exterior doors to enhance its coastal curb appeal. The airy interior features luxury vinyl plank flooring throughout and a spacious kitchen adorned with granite countertops and a suite of brand-new 2026 appliances that have never been used. Peace of mind comes easy here with impact-resistant windows installed in 2020, a new A/C system from 2023, and a durable metal roof. Whether you are looking for a breezy weekend getaway, a primary residence, or a lucrative investment, the weekly rental eligibility makes this property incredibly versatile. The 4,200-square-foot lot offers plenty of room for boat storage or outdoor entertaining, all just minutes from a world-class beach, local dining, and the Marathon Airport.

417 95th St, Marathon
$465,000
2 Beds ⋅ 2 Baths ⋅ 619223 MLS
Discover your perfect coastal getaway at 15 Sombrero Blvd, Unit 212 in Marathon, Florida. This beautifully updated and fully furnished 2-bedroom, 2-bath condo in Marathon Country Club Condominium offers comfort, convenience, and a prime location just blocks from Sombrero Beach with easy bike and walking access. Enjoy the rare perk of dockage for boats up to 25 feet with no waiting list, plus quick access to both the ocean and gulf from a wide, deep canal. The community offers a pool, adding to the relaxed, resort-style lifestyle. Featuring new furnishings and tasteful updates throughout, this move-in-ready unit is perfect for everyday living or beach days. Centrally located near shopping and dining, this is your chance to own a slice of paradise in the Florida Keys!

15 Sombrero Blvd Unit 212W, Marathon
$479,000
2 Beds ⋅ 1 Baths ⋅ 618964 MLS
What a gem! This elevated two-bedroom half-duplex offers tons of natural light and peaceful peek-a-boo open ocean views from the living areas and from the porch and fabulous 240sf (!!) covered deck. Situated second in from the ocean on a quiet dead-end street, here's a rare opportunity to buy in a sought-after Middle Keys location at this price, with a lot of bang for the buck! Light, bright and neat, this home features a very private low-maintenance yard with room for a pool and your Keys toys, a metal roof, an open floorplan, and no HOA. An opportunity for superb location, price, and peek-a-boo ocean views seldom presents itself, so don't wait! Live here and relish in the sunny Keys lifestyle or rent it out and generate income. Seven-day-minimum rentals are permitted. Favorite location near beaches, boat ramps, shopping and activities. FaceTime TOURS ARE AVAILABLE FOR QUALIFIED BUYERS!

1297 73rd St, Marathon
$414,000
1 Beds ⋅ 1 Baths ⋅ 618531 MLS
Experience the best of the Florida Keys boating lifestyle at this updated waterfront 1 BR and 1 BA remodeled and beautifully updated condominium in Marathon, Florida. Nestled along a peaceful 200-foot-wide deep-water canal with 6+ feet of control depth and no bridge restrictions, this Coco Plum Middle Keys retreat offers direct boating access ideal for sailboats, sportfish vessels, and cruisers. The water front condo includes an assigned boat slip accommodating vessels up to approximately 43 feet, making it easy to enjoy world-class fishing, sandbar excursions, and sunset cruises right from your backyard. Inside, sliding glass doors fill the home with natural light and open to a private waterfront balcony overlooking the canal. Coastal finishes and a turnkey design create a comfortable, low-maintenance space perfect as a primary residence, second home, or investment property. Air B&B host with all amenities, past and future guest bookings, and furnishings with the exclusion of a few personal items, can convey. Residents enjoy resort-style amenities including a heated pool, waterfront tiki huts with grilling areas, maintained dockage, and boat trailer parking. Located in Marathon in the heart of the Middle Keys, this waterfront condo is less than one mile from Coco Plum Beach and conveniently positioned along US-1, approximately 40 miles from Key West and 40 miles from Key Largo. Marathon International Airport, waterfront dining, shopping, and local marinas are all just minutes away. Private, peaceful, and ideally located, this rare Florida Keys waterfront condo combines deep-water dockage, rental flexibility, and effortless island living. Short-term rentals are permitted with a 7-night minimum, offering exceptional income potential in one of the Florida Keys' most desirable boating destinations (vacation rental license transfer subject to buyer inspection and governing authority approval). Seller is offering a $5,000 credit at closing- call for more details.

105 Ave D Unit APT 113, Marathon
$500,000
2 Beds ⋅ 2 Baths ⋅ 618269 MLS
'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. https://www.dropbox.com/scl/fo/6zvlde9vkafsi4gyurrge/AFbZzVpEx4s1umkeSKne1Us?rlkey=9ejdq1stq5w01ifjwsdhdrzyh&st=nzppom5j&dl=0 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.

329 63 Court Gulf Ct, Marathon
$499,000
613692 MLS
INVESTORS! Opportunity to own a contiguous Bay front buildable lot on the Florida Bay within an exclusive gated community in Stirrup Key, Marathon Florida Keys. Buyers to verify permit process or potential to create a ''tie in'' to the existing home on Lot 30. Possibilities are endless depending on your needs. Apply to build an accessory structure and purchase the bay home for a large family retreat. Add a pool and putting green to the single family home for more recreation. Tie in an accessory structure to the existing single family home on extra lot. Park your boat and launch your boat in the homeowner's park.

120 Pirates Cove Dr, Marathon
$405,000
617316 MLS
Rare opportunity to own an oversized half-acre (21,808 SF) dry lot in the highly desirable Coco Plum neighborhood of Marathon. Ideally located directly across from Coco Plum Beach, this oversized parcel offers beautiful ocean views and endless possibilities in one of the Florida Keys' most sought-after locations. Enjoy easy access to the beach, boating, fishing, dining, and all that Marathon has to offer. Large lots in this location are becoming increasingly difficult to find. Whether you're looking to secure a future investment or explore development opportunities, this property offers a unique chance to own a prime piece of the Florida Keys lifestyle. Wake up to breathtaking views, salty breezes, and quiet serenity. Don't miss this rare chance to build steps from the beach with panoramic water views. Buyer to verify all building and development requirements with the City of Marathon.

300 Coco Plum Dr, Marathon
$500,000
1 Beds ⋅ 2 Baths ⋅ 617741 MLS
Ocean Isles Fishing Village is a seven-acre gated oceanfront complex. New construction with modern amenities in the heart of the Florida Keys. Conveniently located near local restaurants, shopping, attractions, airport. Great for boating enthusiasts, Easy water access with private boat ramp, newly updated marina, fish cleaning stations, assigned boat slips for owners, new seawall, bulkhead, docks, Olympic-sized waterfront pool, air-conditioned clubhouse, ice machine, tiki huts, outdoor grilling area, laundry facilities, stunning views! This studio unit is immaculate and comes fully furnished. It has its own washer and dryer on the main level. It also has 2 full bathrooms instead of the typical 1 full and 1 half bath. Ground level covered parking. Own your very own piece of paradise! Rentals allowed. Pets with restrictions.

10877 Overseas Highway Unit 30, Marathon
$499,000
1 Beds ⋅ 2 Baths ⋅ 614101 MLS
Price Improvement! This townhouse is enjoying a strong rental season and is attractively priced for an investor or owner-user. Call for details. Breathtaking townhouse with 7 DAY RENTALS ALLOWED, 1 BR 2 Bath on 7-acre waterfront complex located oceanside in Marathon, Fl. This retreat is designed to accommodate 4 people and is steps away from open ocean views, where you can fish off the docks, lounge under one of the many Tiki huts, or cool off in the swimming pool that overlooks the Atlantic. The clubhouse is equipped with a ice machine along with convenient grilling stations to cook your fresh catch. The vacation rental market in Marathon provides flexibility for those interested in generating additional income and allows for seven day rentals. This unit is set up for rentals with the City of Marathon and has a fantastic rental history available for review. Ocean Isles has easy access to the water with a private boat ramp for owners, allowing you to conveniently take your vessel in and out of the water. With protected boating access for owners at the Marina, featuring a new seawall, bulkhead, and docks, you'll have smooth sailing for all your water excursions. The central location of Ocean Isles in Marathon makes it the perfect home base for exploring all the Florida Keys. This townhouse has a Washer and Dryer hookup ready to go or there is a laundry facility available on the property.

10877 Overseas Highway Unit 7, Marathon
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