Grassy Key (58.9) Homes with Ocean Front Waterfront features

Grassy Key (58.9) Homes with Ocean Front Waterfront features

Welcome to Grassy Key, a hidden gem nestled in the heart of Monroe County, Florida, and part of the vibrant city of Marathon. This enchanting subdivision, spanning 58.9 acres, is renowned for its breathtaking oceanfront properties that redefine coastal living. Imagine waking up every morning to the soothing sounds of waves lapping at the shore and the gentle ocean breeze rustling through palm trees—this is the everyday reality for residents of Grassy Key.

Grassy Key offers a unique blend of tranquility and adventure, making it an ideal choice for families, retirees, and anyone looking to escape the hustle and bustle of city life. The homes here boast stunning oceanfront views, with many properties featuring private docks, allowing residents to indulge in a variety of water activities, from fishing to kayaking. The vibrant marine life and picturesque sunsets create an idyllic backdrop for leisurely afternoons spent on your patio or balcony.

In addition to its striking waterfront features, Grassy Key is conveniently located near the charming attractions of Marathon. From world-class dining to local shops and outdoor recreational opportunities, everything you need is just a stone's throw away. Whether you’re exploring the scenic Seven Mile Bridge or relaxing at Sombrero Beach, life in Grassy Key means embracing the best of Florida living.

Don’t miss the chance to become part of this extraordinary community. Experience the allure of Grassy Key, where oceanfront dreams come true and every day feels like a vacation!

Newest Grassy Key (58.9) Homes with Ocean Front Waterfront features

$3,400,000
5 Beds ⋅ 5 Baths ⋅ 619897 MLS
CONSTRUCTION COMPLETE! SeaGlass Cove is a brand-new luxury, gated island community located in the heart of the Florida Keys, adjacent to Duck Key. A rare find of just 14 new construction residences offering direct Atlantic Ocean views, a resort-style pool, pickleball court, and sandy beach with the flexibility of a weekly rental. The first floor offers a private two-car garage and covered cabana with spacious outdoor living space that leads out to the pool deck and beach. The second floor features an open floor plan with spacious kitchen, dining, and great room all overlooking the Atlantic Ocean. One en-suite bedroom on this floor provides seclusion for guests. On the top floor, you'll find the primary suite with a luxurious spa bath, a second guest suite and two additional guest bedrooms that share a bath. Luxuriously finished with high-end KitchenAid appliances, waterfall quartz countertops, full-height backsplashes, and much more. Additionally, this residence offers upgrades including an outdoor summer kitchen, an exterior spiral staircase from the second down to the first floor, and a fire pit. SeaGlass Cove is barefoot luxury at its best!

59720 Overseas Highway Unit 10, Marathon
$3,100,000
5 Beds ⋅ 5 Baths ⋅ 619896 MLS
CONSTRUCTION COMPLETE! MOVE-IN AND RENTAL READY! SeaGlass Cove is a brand-new luxury, gated island community located in the heart of the Florida Keys; adjacent to Duck Key. A rare find of just 14 new construction residences offering direct Atlantic Ocean views, a resort-style pool, pickleball court, and a sandy beach with the flexibility of a weekly rental. The first floor offers a private two-car garage and covered cabana with spacious outdoor living space that leads out to the pool deck and beach. The second floor features an open floor plan with spacious kitchen, dining, and great room all overlooking the Atlantic Ocean. One en-suite bedroom on this floor provides seclusion for guests. On the top floor, you'll find the primary suite with a luxurious spa bath, a second guest suite and two additional guest bedrooms that share a bath. Luxuriously finished with high-end KitchenAid appliances, waterfall quartz countertops, full-height backsplashes and much more. Additionally, this residence offers upgrades including an outdoor summer kitchen, an exterior spiral staircase from the second floor down to the first floor, and a fire pit. SeaGlass Cove is barefoot luxury at its best!

59720 Overseas Highway Unit 9, Marathon
$3,500,000
4 Beds ⋅ 5 Baths ⋅ 609718 MLS
CONSTRUCTION COMPLETE! MOVE-IN AND RENTAL READY! SeaGlass Cove is a brand-new luxury, gated island community located in the heart of the Florida Keys adjacent to Duck Key. A rare find of just 14 new construction residences offering four and five-bedroom floor plans all with direct Atlantic Ocean views, a resort style pool, pickleball court, sandy beach, and the flexibility of a weekly rental. The first floor offers a private two car garage and covered cabana with spacious outdoor living space that leads out to the private beach and pool deck. The second floor features an open floor plan with spacious kitchen, dining and great rooms all overlooking the Atlantic Ocean. One en-suite bedroom on this floor provides seclusion for guests. On the top floor you'll find the primary suite with luxurious spa bath and three additional guest bedrooms. The homes are finished with high end KitchenAid appliances, waterfall quartz countertops, full height backsplashes, custom closets and much more. Additionally this residence offers upgrades including: elevator, outdoor summer kitchen, exterior spiral staircase to first floor, custom millwork, brass fixtures and fire pit. SeaGlass Cove is barefoot luxury at its best.

59720 Overseas Highway Unit 8, Marathon
$2,975,000
5 Beds ⋅ 5 Baths ⋅ 608751 MLS
CONSTRUCTION COMPLETE! MOVE-IN AND RENTAL READY! SeaGlass Cove is a brand-new luxury, gated island community located in the heart of the Florida Keys; adjacent to Duck Key. A rare find of just 14 new construction residences offering direct Atlantic Ocean views, a resort-style pool, pickleball court, sandy beach with the flexibility of a weekly rental. The first floor offers a private two-car garage and covered cabana with spacious outdoor living space that leads out to the pool deck and beach. The second floor features an open floor plan with spacious kitchen, dining, and great room all overlooking the Atlantic Ocean. One en-suite bedroom on this floor provides seclusion for guests. On the top floor, you'll find the primary suite with a luxurious spa bath, a second guest suite and two additional guest bedrooms that share a bath. Luxuriously finished with high-end KitchenAid appliances, waterfall quartz countertops, full-height backsplashes, custom closets, and much more. Additionally, this residence offers upgrades including an outdoor summer kitchen, an exterior spiral staircase from the second down to the first floor, and a fire pit. SeaGlass Cove is barefoot luxury at its best!

59720 Overseas Highway Unit 7, Marathon
$7,000,000
618083 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 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
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