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$3,500,000
Marathon, FL 33050
MLS# 622078
4 beds | 5 baths | 3011 sqft
1 / 61
Property Description
Welcome to a stunning coastal retreat in the heart of the Florida Keys. Located within SeaGlass Cove, an intimate gated enclave of only 14 residences on beautiful Grassy Key, this newly reconstructed home offers an exceptional blend of modern luxury, tropical beauty, and relaxed island living. Boasting 4 generously sized bedrooms and a lounge room that could be converted into a 5th bedroom, 4.5 bathrooms, this elegantly furnished and professionally staged residence showcases quality construction, refined finishes, and thoughtful attention to detail. Designed and styled by D'Asign Source, the interiors combine contemporary sophistication with the warmth and charm of a coastal escape. Soaring ceilings and spacious living areas create an inviting sense of openness, complemented by ample storage and oversized walk-in closets. Multiple balconies and an expansive covered private outdoor living area provide wonderful spaces to unwind or entertain while enjoying the tropical setting. An elevator conveniently serves all three floors, offering comfort and ease of access throughout the home. The outdoor amenities are equally impressive, featuring a covered summer kitchen, private outdoor shower, fire pit, and inviting areas for gathering with family and friends. A community pool sits directly in front of the residence, with beautiful turquoise waters and picturesque beach views completing the island-inspired setting. Beyond its appeal as a private vacation home, this property presents an attractive investment opportunity. With a community policy permitting weekly rentals, owners have the flexibility to enjoy their own Florida Keys getaway while exploring the potential for vacation rental income. Other residences within this exclusive 14-home community are also offered for sale. Please call listing agents for more info.
Details
Maps
Contract Information
Listing Board: Florida Keys
As is Rght to Inspct: Yes
Current Price: $3,500,000
Listing Date: 2026-11-13
List Price: $3,500,000
Location, Tax & Legal
Unit #: 8
City: MARATHON
Off Shore Island: No
Mile Marker: 58.9
Marathon Neighborhood: Grassy Key
Side: Ocean
Flood Zone: AE
Alternate Key #: 1116866
Handicap Access: Yes
Parcel #: 00100110000000
Zoning: RM-2 - Residential Medium - 2
Deed Restrictions: Unknown
Legal: 20 65 34 Grassy Key Pt Lot 5 Or255-324 Or494-1039 Or504-887 Or504-890 Or537-956 Or611-267 Or775-1168 Or776-1655 Or798-17
Taxes: 0
Tax Year: 2025
Pub Sewer HkUp: Yes
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
Waterfront: Yes
Control Depth: 2
Lot SqFt: 6000
Pool: Yes
Acres: 3.82
SqFt Source: Builder/Architect
Rentals Allowed: With Restrictions
Min Rental Days: 7
Style: Single Family
Year Built: 2024
Living Apx SqFt: 3011
Total Bedrooms: 4
Full Baths: 4
Half Baths: 1
Total Baths: 5
Remarks & Misc
Remarks – Consumer: Welcome to a stunning coastal retreat in the heart of the Florida Keys. Located within SeaGlass Cove, an intimate gated enclave of only 14 residences on beautiful Grassy Key, this newly reconstructed home offers an exceptional blend of modern luxury, tropical beauty, and relaxed island living.
Boasting 4 generously sized bedrooms and a lounge room that could be converted into a 5th bedroom, 4.5 bathrooms, this elegantly furnished and professionally staged residence showcases quality construction, refined finishes, and thoughtful attention to detail. Designed and styled by D'Asign Source, the interiors combine contemporary sophistication with the warmth and charm of a coastal escape.
Soaring ceilings and spacious living areas create an inviting sense of openness, complemented by ample storage and oversized walk-in closets. Multiple balconies and an expansive covered private outdoor living area provide wonderful spaces to unwind or entertain while enjoying the tropical setting. An elevator conveniently serves all three floors, offering comfort and ease of access throughout the home.
The outdoor amenities are equally impressive, featuring a covered summer kitchen, private outdoor shower, fire pit, and inviting areas for gathering with family and friends. A community pool sits directly in front of the residence, with beautiful turquoise waters and picturesque beach views completing the island-inspired setting.
Beyond its appeal as a private vacation home, this property presents an attractive investment opportunity. With a community policy permitting weekly rentals, owners have the flexibility to enjoy their own Florida Keys getaway while exploring the potential for vacation rental income.
Other residences within this exclusive 14-home community are also offered for sale. Please call listing agents for more info.
Directions: MM 59 - Ocean side
Association Info
Mandatory Home Owners Asc: Yes
1st Right of Refusal: No
Association Fee $: 1200
Assoc/Mnt Fee Per: Monthly
License Info
Transient Rntl Licns: Yes
Fee Includes
Common Area Mnt: 1
Dockage
None: 1
Tax Exemptions
None: 1
Appliances
Dishwasher: 1
Dryer: 1
Freezer: 1
Gas Appliances: 1
Ice Machine: 1
Microwave: 1
Oven: 1
Range: 1
Refrigerator: 1
Stainless Steel Appliance(s): 1
Washer: 1
Wine Cooler: 1
Pets
Pets w/Restrictions: 2 dogs
Cooling
Ceiling Fans(s): 1
Central Air: 1
Heating
Central: 1
Waterfront
Oceanfront: 1
Open Water: 1
Waterview
Ocean View: 1
Open Water View: 1
Floor
Combo: 1
Laminate: 1
Tile: 1
Wood: 1
Neighborhood Feature
Beach: 1
Tennis Courts: 1
Interior Features
Bar: 1
Built-in Cabinets: 1
Elevator: 1
Entrance Foyer: 1
Pantry: 1
Quartz Countertops: 1
Storage: 1
Walk-in Closet(s): 1
Window Treatments: 1
Property Condition
New Construction: 1
Specialty Rooms
Laundry Room: 1
Building Style
Above Flood: Yes
Stories: 3 Stories
Windows/Doors
Impact Rstnce Doors: 1
Impact Rstnce Window: 1
Vehicle Storage
Car(s): 4+
Covered Parking: 1
Garage: 1
Open Parking: 1
Attached: 1
Off Street Parking: 1
Security
Electric Gate: 1
Construction
CBS: 1
Land Size
2 Less Than 5 Acres: 1
Furnished
Negotiable: 1
Terms
Cash: 1
Conventional: 1
Utilities
Elect Separate Meter: 1
FKAA: 1
Municipal Sewer: 1
Water Separate Meter: 1
Porch/Balcony
Open Porch/Balcony: 1
Patio: 1
Exterior Features
Lighting: 1
Outdoor Kitchen: 1
Outdoor Shower: 1
Sandy Beach: 1
Tennis Court(s): 1
Pool Info
In Ground: 1
Decked: 1
Roof
Metal Roof: 1
Status Change Info
Status: Active
Property Features
Fee Includes: Common Area Mnt
Tax Exemptions: None
Waterfront: Oceanfront; Open Water
Waterview: Ocean View; Open Water View
Dockage: None
Property Condition: New Construction
Vehicle Storage: Garage; Attached; Covered Parking; Off Street Parking; Open Parking
Furnished: Negotiable
Cooling: Ceiling Fans(s); Central Air
Heating: Central
Utilities: Elect Separate Meter; FKAA; Municipal Sewer; Water Separate Meter
Interior Features: Bar; Built-in Cabinets; Elevator; Entrance Foyer; Pantry; Quartz Countertops; Storage; Walk-in Closet(s); Window Treatments
Specialty Rooms: Laundry Room
Appliances: Dishwasher; Dryer; Freezer; Gas Appliances; Ice Machine; Microwave; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer; Wine Cooler
Exterior Features: Lighting; Outdoor Kitchen; Outdoor Shower; Sandy Beach; Tennis Court(s)
Pool Info: In Ground; Decked
Construction: CBS
Floor: Combo; Laminate; Tile; Wood
Roof: Metal Roof
Neighborhood Feature: Beach; Tennis Courts
Security: Electric Gate
Land Size: 2 Less Than 5 Acres
Terms: Cash; Conventional
Listing Office: Ocean Sotheby's International Realty
Last Updated: November - 13 - 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.