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422 Harbour Drive, Marathon
$4,500,000
4 Beds ⋅ 3 Baths ⋅ NS1089477 MLS
There are places where the water is part of the view. And then there's Duck Key, where it shapes the entire way of life. Set in the heart of the Florida Keys, this two-story waterfront residence brings together thoughtful living spaces, beautiful open-water scenery, and everything that makes island life so distinctive. The home offers four bedrooms and three bathrooms, surrounded by lush landscaping and designed to make the most of its waterfront setting. Outside, the property really comes into its own. A private pool, beach area, and dock put the water at the center of every day. And for boaters, the details matter: A 30,000-pound boat lift, a jet ski lift, a fish cleaning station, and steps leading right into the water. A morning offshore, an afternoon exploring the keys, or a quiet evening back at the pool. Here, those aren't special occasions. They're simply options. Upstairs, the open living kitchen areas are made for gathering, but the water remains the focal point with sliding glass doors that open to an expansive balcony that wraps around the upper level. The upper floor also includes the master bedroom with an ensuite bath, second bedroom and full bath in the hallway. Downstairs, a second living area, kitchenette, two additional bedrooms, and another full bathroom create a flexible layout for family and guests. From the lower level, step outside to the balcony, pool, beach and dock. Beyond the property, Duck Key has its own distinctive appeal. Join the optional Duck Key clubhouse for a pool, tennis, pickleball, and events, or Hawks Cay Resort for its Michelin-rated Salt and Ash restaurant, saltwater lagoon, Dolphin Connection, and pools.

422 Harbour Drive, Marathon

Listing courtesy of THE HIGH TIDE GROUP. 386-682-0992

118 Avenue  E, Marathon
$3,690,000
3 Beds ⋅ 3 Baths ⋅ W7882338 MLS
Stunning Furnished Coastal Modern 3-bedroom, 3-bath modern waterfront estate built by the Florida Keys' premier builder, D'Asign Source. This three-story solid concrete home offers exceptional design, craftsmanship, and strength, perfectly positioned on over a quarter acre with 110 feet of deep-water frontage along a 300-foot-wide canal. Boaters will love the 10,000 lb boat lift, 85 feet of dockage, and direct deep-water access to the Gulf and Atlantic. A fish cleaning station with water, bait freezer, and commercial ice machine make this property a dream for anglers and water enthusiasts. Inside, expansive glass doors and windows flood the living space with natural light and showcase panoramic canal views. The chef's kitchen features Viking appliances, quartz countertops, wine cooler, and premium finishes, while the open-concept design connects seamlessly to multiple balconies and outdoor living areas. The master suite includes an oversized rainfall shower and a private balcony overlooking the water, while two guest bedrooms provide bright, inviting retreats. Outdoor living is the heart of this home, featuring a custom 440 sq. ft. pool with hot tub and sunshelf, surrounded by soft sand, hammocks, and lush tropical landscaping. Entertain in style at the covered outdoor bar and grilling area, or unwind with sunsets from the private rooftop lounge overlooking the Gulf of Mexico. Additional features include four+ parking spaces, trailer parking, high-speed WiFi, multiple smart TVs, and a fully fenced yard that's pet-friendly. Tis property combines luxury, durability, and a true Keys lifestyle — offering modern design, deep-water access, and spectacular views in one of Marathon's most sought-after waterfront neighborhoods.

118 Avenue E, Marathon

Listing courtesy of RE/MAX ALLIANCE GROUP. 727-845-4321

The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of MLS Now and updated as of . Real estate listings held by brokerage firms other than Coldwell Banker Realty are marked with the Internet Data Exchange logo and detailed information about them includes the name of the listing broker(s).
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The data relating to real estate for sale on this web site comes in part from the Broker Reciprocity™ program of the Multiple Listing Service of Greater Cincinnati. Real estate listings held by brokerage firms other than our company are marked with the Broker Reciprocity™ logo (the small house as shown to the left) and detailed information about them includes the name of the listing brokers. This data is up-to-date as of . Copyright 2026, MLS of Greater Cincinnati, Inc. All rights reserved. Information deemed reliable but not guaranteed.

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The data relating to real estate for sale on this website comes in part from the Broker Reciprocity program of the Dayton Area Board of Realtors® MLS IDX Database. Real estate listings from the Dayton Area Board of Realtors® MLS IDX Database held by brokerage firms other than Coldwell Banker Realty are marked with the IDX logo and are provided by the Dayton Area Board of Realtors® MLS IDX Database. Information is provided for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in. Copyright© 2026 Dayton Area Board of Realtors®

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