59720 Overseas Highway 9, Marathon, FL 33050

About this home

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!

Property details

Property Type

Single Family Residence

Year Built

2024

HOA

$1,061/mo

Subdivision

Grassy Key (58.9)

Days on Market

139

Listed

May 13, 2026

MLS #

619896

Location