SeaGlass Cove is an exclusive gated community nestled in the

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Home For Sale

59720 Overseas Hwy UNIT 9

Marathon, Florida 33050

Monroe County

Beachfront: Yes

Ocean View: Yes

Community: Grassy Key (58)

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$3,400,000 4 br, 5.0 bath 3011 sq. ft. 0.000 acres

SeaGlass Cove is an exclusive gated community nestled in the heart of the Florida Keys. This rare enclave features 14 brand-new luxury residences, each offering sweeping views of the Atlantic Ocean. This unit features 5 bedrooms and 4.5 baths. Residents will enjoy world-class amenities, including a resort-style pool, pickleball court, sandy beach, and the convenience of flexible weekly rentals. The first level features a private two-car garage and a covered cabana with generous outdoor living areas that flow seamlessly to the beach & pool deck. Upstairs, an open-concept layout connects the gourmet kitchen, dining area, and great room--all oriented toward breathtaking ocean views. SeaGlass Cove offers an unparalleled opportunity to experience the very best of island living.

Interior:
  • Bedrooms: 4
  • Baths: 5.0
  • Sq Ft: 3011
  • Year Built: 2024
  • Utilities: 
  • Fireplaces: 
  • Stories: 3
  • Heat/AC: 
  • Garage: Garage
Exterior:
  • Lot Size: 0.000 acre
  • Lot Dimensions: 
  • Beachfront: Yes
  • View Types: Ocean
  • Yard: 
  • Siding: 
  • Roof: Metal
  • Property Taxes: $21,266
  • MLS #: 617383
  • Unit Number: UNIT 9
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Contact Information:
Beach Home For Sale in Marathon, Florida
Listing Agent: STEVEN J CONLEY, LLC, Compass Florida LLC, 305-393-5859, 561-714-8184 Listing Site, Listing Status: Active
Copyright © 2025 Florida Keys Board of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Ad Number: 7211864
Viewed 4 times.
Updated: Feb 05, 2026

This property is a Home located at 59720 Overseas Hwy UNIT 9, Marathon, Florida 33050, and is currently For Sale at $3,400,000. This Home has 4 bedrooms, 5.0 baths, 3011 sq ft.