GRASSY KEY,SeaGlass Cove
59720 Overseas Hwy #9, Marathon FL 33050
5 beds · 4.5 baths · 3,011 ft²
5
Bedrooms
4.5
Bathrooms
3,011
Sq. Ft.
2025
Year Built
2
Garage
145
Days on Market
Description
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.
Facts
- MLS#
- A11902180
- Subdivision
- GRASSY KEY,SeaGlass Cove
- Property Type
- Residential
- Property Sub Type
- Single Family Residence
- Year Built
- 2025
- Lot Size
- 0 sqft
- Sq. Ft.
- 3,011 ft²
- Sq. Mt.
- 280 m²
- Price per sq. ft.
- $980/ft²
- Price per sq. mt.
- $10,536/m²
- Stories
- —
- Garage
- 2 spaces
- Pool
- —
- Days on Market
- 145 days
- Listed
- Nov 3, 2025
- Last Updated
- Mar 29, 2026
- Price/Lot Sq.Ft.
- —
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Market insights for Marathon
Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.
Sellers market
May 2026
72
Median days to sold
+4.5%
1-year price forecast (est.)
Price & tax history
From the live MIAMI MLS feed. Older history requires the ListingHistory resource (not yet enabled).
| 3/29/2026 | Price change | $2,950,000-13.2% |
| 11/3/2025 | Listed for sale | $3,400,000 |
History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).
Location
GreatSchools Summary Ratings
Public + private K-12 schools within 5 miles of this listing.
Windmill Point Elementary SchoolPK,KG,1,2,3,4,5 · public · 0.4 mi
- Treasure Coast High School
9,10,11,12 · public · 0.5 mi
- Westport Private School
1,2,3,4,5,6,7,8,9,10,11,12 · private · 0.6 mi
- Dalton Learning Center Inc.
KG,1,2,3,4,5 · private · 1.1 mi
- Ivy League Preschool Academy
KG,1,2,3,4,5,6,7,8 · private · 1.1 mi
- Somerset Academy St. Lucie
KG,1,2,3,4,5,6,7,8 · charter · 1.8 mi
- Oak Hammock K-8 School
PK,KG,1,2,3,4,5,6,7,8 · public · 2.8 mi
- Bayshore Elementary School
PK,KG,1,2,3,4,5 · public · 3.6 mi
- St. Lucie West K-8 School
KG,1,2,3,4,5,6,7,8 · public · 3.9 mi
- St. Lucie West Centennial High School
PK,9,10,11,12 · public · 4.1 mi
Data provided by GreatSchools.org © 2026. All rights reserved.Estimated Monthly Payment
$18,309/mo
Principal & Interest
$15,701
Property Tax
$2,458
Insurance
$150
HOA
$0
Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.
The data relating to real estate for sale on this website comes in part from the Southeast Florida Multiple Listing Service. MLS Data is deemed reliable, but is not guaranteed accurate by MIAMI REALTORS®.
Accuracy of listing information is not guaranteed. Listing information is provided for personal consumer, non-commercial use, solely to identify potential properties for potential purchase. All other use is strictly prohibited and may be a violation of federal and state law.
Copyright Southeast Florida MLS a/k/a SEFMLS © 2026.
Updated within 24 hours
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