258 W Seaview Circle, Duck Key, FL 33050

$4,400,000
Property Type: Residential Bedrooms: 4 Baths: 4 Square Footage: 2,854 Lot Size (sq. ft.): 9,990 Status: Active
Current Price: $4,400,000 List Date: 11/12/2025 Last Modified: 12/16/2025

Description

An Oceanfront Masterpiece with Endless Views Poised above the turquoise waters of the Atlantic, this extraordinary open-water estate epitomizes the essence of luxury island living. With a coveted southern exposure and sweeping, unobstructed ocean vistas, 258 W Seaview Circle bathes in golden sunlight from dawn to dusk, accompanied by the soothing rhythm of the sea just beyond your doorstep. Beyond the protected breakwater lies a pristine sandy shoreline and inviting sandbar, creating your own slice of tropical paradise. Designed for both effortless entertaining and relaxed coastal living, the property boasts a 112-foot bilevel dock and seawall—a dream setting for boating enthusiasts. A 50-foot lap pool stretches gracefully along the oceanfront terrace, elevated an impressive eight feet above sea level. Surrounded by a Tiki hut, lush tropical landscaping, and soft ambient lighting, the expansive outdoor spaces transform into a private seaside retreat after sunset. Inside, timeless craftsmanship meets contemporary sophistication. This four-bedroom, three-and-a-half-bath residence features a coral rock fireplace, elevator, and a spacious gourmet chef's kitchen equipped for culinary excellence. Every element—from the refined architectural details to the impeccably maintained grounds—reflects pride of ownership and a commitment to uncompromising quality. Whether you're hosting friends beneath a canopy of stars, enjoying a peaceful morning overlooking endless blue horizons, or embarking on a day on the water, 258 W Seaview Circle offers a front-row seat to the serene beauty of Duck Key, the Middle Keys' most prestigious address. Residents on the island enjoy access to two marinas, watersports, and local dining, all within this golf cart-friendly island community. Optional Club Duck Key membership provides exclusive access to social events, wellness programs, and sports amenities—enhancing the resort-style experience that defines life on Duck Key.

Open Houses

Saturday, December 20, 1:00 pm - 3:00 pm

More Information MLS# 617294

Contract Information

Listing Board: Marathon/Lower Keys As is Rght to Inspct: Yes Current Price: $4,400,000 Listing Date: 2025-11-07 List Price: $4,400,000

Location, Tax & Legal

City: Duck Off Shore Island: No Mile Marker: 61 Marathon Neighborhood: N/A Side: Ocean Flood Zone: VE,AE,AE Alternate Key #: 1466379 Parcel #: 00382680-000000 Zoning: ISM - Improved Sub Masonry Deed Restrictions: Yes Legal: BK 2 LT 3 DUCK KEY PLANTATION ISLAND SEC 3 PART 2 TOMS HARBOR Taxes: 9764.21 Tax Year: 2024 Pub Sewer HkUp: Yes Street #: 258 Direction: W Street Name: Seaview Street Suffix: Circle Key/Island: Duck Key State/Province: FL Zip Code: 33050 County: Monroe Subdivision: Plantation Island (61.0) Area: 20 - Duck Key, Coral Key, Conch Key

General Property Description

Realtor.COM Type: Residential - Single Family Waterfront: Yes Control Depth: 5 Lot Size: 112 W x 100 x 78 x 125 Lot SqFt: 9990 Pool: Yes Lot Sqft Source: Property Data Card Total Units: 0 Acres: 0.23 SqFt Source: Property Data Card Rentals Allowed: Yes Min Rental Days: 28 Style: Single Family Year Built: 1985 Living Apx SqFt: 2854 Total Bedrooms: 4 Full Baths: 3 Half Baths: 1 Total Baths: 4

Remarks & Misc

Remarks – Consumer: An Oceanfront Masterpiece with Endless Views Poised above the turquoise waters of the Atlantic, this extraordinary open-water estate epitomizes the essence of luxury island living. With a coveted southern exposure and sweeping, unobstructed ocean vistas, 258 W Seaview Circle bathes in golden sunlight from dawn to dusk, accompanied by the soothing rhythm of the sea just beyond your doorstep. Beyond the protected breakwater lies a pristine sandy shoreline and inviting sandbar, creating your own slice of tropical paradise. Designed for both effortless entertaining and relaxed coastal living, the property boasts a 112-foot bilevel dock and seawall—a dream setting for boating enthusiasts. A 50-foot lap pool stretches gracefully along the oceanfront terrace, elevated an impressive eight feet above sea level. Surrounded by a Tiki hut, lush tropical landscaping, and soft ambient lighting, the expansive outdoor spaces transform into a private seaside retreat after sunset. Inside, timeless craftsmanship meets contemporary sophistication. This four-bedroom, three-and-a-half-bath residence features a coral rock fireplace, elevator, and a spacious gourmet chef's kitchen equipped for culinary excellence. Every element—from the refined architectural details to the impeccably maintained grounds—reflects pride of ownership and a commitment to uncompromising quality. Whether you're hosting friends beneath a canopy of stars, enjoying a peaceful morning overlooking endless blue horizons, or embarking on a day on the water, 258 W Seaview Circle offers a front-row seat to the serene beauty of Duck Key, the Middle Keys' most prestigious address. Residents on the island enjoy access to two marinas, watersports, and local dining, all within this golf cart-friendly island community. Optional Club Duck Key membership provides exclusive access to social events, wellness programs, and sports amenities—enhancing the resort-style experience that defines life on Duck Key. Directions: MM 61 Go past Hawks Cay Resort, go over Truman bridge and then follow Bimini to the next bridge. Take a left over the bridge take a right at W Seaview Circle, house is on the right with a a sign.

Association Info

Mandatory Home Owners Asc: No Voluntary Home Owners Asc: Yes 1st Right of Refusal: No Association Fee $: 250 Assoc/Mnt Fee Per: Yearly

Fee Includes

None: 1

Dockage

Dock: Concrete Seawall: Concrete

Tax Exemptions

Homestead: 1

Appliances

Dishwasher: 1 Dryer: 1 Microwave: 1 Oven: 1 Range: 1 Refrigerator: 1 Stainless Steel Appliance(s): 1 Washer: 1

Pets

Pets Allowed: 1

Cooling

Ceiling Fans(s): 1 Central Air: 1 Heat Pump: 1

Heating

Central: 1 Fireplace(s): 1

Waterfront

Oceanfront: 1 Open Water: 1

Waterview

Ocean View: 1 Open Water View: 1

Floor

Tile: 1

Neighborhood Feature

Community Boat Ramp: 1 Fire Hydrant: 1

Interior Features

Drapes/Blinds Incl: 1 Elevator: 1 Fireplace(s): 1 Granite Counter Top: 1 Smoke Alarms: 1 Split Bedroom: 1 Storage: 1

Specialty Rooms

Laundry Room: 1

Building Style

Above Flood: Yes Stilt Column Height: Medium - 5Ft - 9Ft Stories: 2 Stories

Windows/Doors

Double Hung Windows: 1 Sliding Glass Doors: 1

Vehicle Storage

Car(s): 3 Garage: 1 Open Parking: 1 Attached: 1

Security

Patrolled Area: 1

Construction

CBS: 1

Land Size

1/4 - 1/2 Acre: 1

Furnished

Negotiable: 1

Terms

Cash: 1 Conventional: 1

Utilities

Cable Available: 1 Community Swr Plant: 1 FKAA: 1 Propane: 1 Sewer Available: 1

Porch/Balcony

Open Porch/Balcony: 1 Patio: 1 Screened P/B: 1 Screened Patio: 1

Title

Title Ins - Buyer: 1

Exterior Features

Chickee Hut: 1

Pool Info

In Ground: 1 Heated: Yes Concrete: 1

Roof

Tile Roof: 1

Shutters

Accordion: 1

Status Change Info

Status: Active

Property Features

Fee Includes: None Tax Exemptions: Homestead Waterfront: Oceanfront; Open Water Waterview: Ocean View; Open Water View Vehicle Storage: Garage; Attached; Open Parking Furnished: Negotiable Cooling: Ceiling Fans(s); Central Air; Heat Pump Heating: Central; Fireplace(s) Utilities: Cable Available; Community Swr Plant; FKAA; Propane; Sewer Available Interior Features: Drapes/Blinds Incl; Elevator; Fireplace(s); Granite Counter Top; Smoke Alarms; Split Bedroom; Storage Specialty Rooms: Laundry Room Appliances: Dishwasher; Dryer; Microwave; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer Exterior Features: Chickee Hut Pool Info: In Ground; Concrete Construction: CBS Shutters: Accordion Floor: Tile Roof: Tile Roof Pets: Pets Allowed Neighborhood Feature: Community Boat Ramp; Fire Hydrant Security: Patrolled Area Land Size: 1/4 - 1/2 Acre Terms: Cash; Conventional Title: Title Ins - Buyer
Listing Office: Florida Keys Real Estate Group
Last Updated: December - 16 - 2025
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