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Anchor Line Realty

Anchor Line Realty specializes in buyer brokerage, real estate sales listings, and long term property management in Key West & the Florida Keys.

Call: (305) 766-6835

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$3,400,000
59720 Overseas Highway 10
Marathon, FL 33050
MLS# 619897
5 beds  |  5 baths  |  3013 sqft


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Property Description
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!

Details
Maps
Contract Information
Current Price: $3,400,000
Listing Date: 2026-05-13
Listing Board: Key West Association
Monthly Rent: $3,400,000
As is Rght to Inspct: Yes
Location, Tax & Legal
Street #: 59720
Street Name: Overseas
Street Suffix: Highway
Key/Island: Marathon
State/Province: FL
Zip Code: 33050
County: Monroe
Subdivision: Grassy Key (58.9)
Area: 19 - Crawl Key & Grassy Key
General Property Description
Realtor.COM Type: Residential - Single Family
Style: Single Family
Waterfront: Yes
Pool: Yes
Year Built: 2024
Total Units: 14
Lot Size: Lot size varies per residence - footprint+
Lot Sqft Source: Builder/Architect
Living Apx SqFt: 3013
SqFt Source: Builder/Architect
Total Bedrooms: 5
Full Baths: 4
Half Baths: 1
Total Baths: 5
Rentals Allowed: Yes
Min Rental Days: 7
Association Info
Mandatory Home Owners Asc: Yes
1st Right of Refusal: No
Assoc Approval Req: No
Association Fee $: 1061
Assoc/Mnt Fee Per: Monthly
License Info
# of County License: 1
Transient Rntl Licns: Yes
Building Style
Above Flood: Yes
# Stories: 3 Stories
Vehicle Storage
Car(s): 4+
Pool Info
Heated: Yes
Status Change Info
Status: Active
Property Features
Fee Includes: Common Area Mnt
Tax Exemptions: None
Waterfront: Oceanfront
Waterview: Ocean View; Open Water View
Dockage: None
Property Condition: New Construction
Vehicle Storage: Garage; Attached; Covered Parking; Vehicle Restrictions
Cooling: Ceiling Fans(s); Central Air
Utilities: Buyer to Verify; Elect Separate Meter; FKAA; Municipal Sewer; Water Separate Meter
Interior Features: Bar; Built-in Cabinets; Pantry; Quartz Countertops; Split Bedroom; Walk-in Closet(s)
Specialty Rooms: Laundry Room
Appliances: Dishwasher; Disposal; Dryer; Microwave; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer; Wine Cooler
Exterior Features: Built-in Grill; Lanai; Outdoor Shower; Privacy Wall/Fence; Sandy Beach; Tennis Court(s)
Pool Info: In Ground; Decked
Construction: CBS; Stucco
Floor: Combo; Laminate
Roof: Metal Roof
Neighborhood Feature: Beach; Community Pool; Tennis Courts
Security: Electric Gate
Land Size: Less Than 1/4 Acre

Listing Office: Internet Realty of the Florida Keys Inc

Last Updated: August - 24 - 2026

The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.


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David Austin, Owner/Broker
Anchor Line Realty, LLC
820 Ashe Street
Key West, FL 33040
www.anchorlinerealty.com
[email protected]
305.766.6835
Member, National Association of Realtors (NAR)
Member, Florida Association of Realtors (FAR)
Member, Key West Association of Realtors (KWAR)