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  • 258 W Seaview Circle, Duck Key, FL 33050 (MLS# 617294)

258 W Seaview Circle, Duck Key, FL 33050

$4,250,000
Property Type: Residential Bedrooms: 4 Baths: 4 Square Footage: 2,854 Lot Size (sq. ft.): 9,990 Status: Active
Current Price: $4,250,000 List Date: 11/12/2025 Last Modified: 2/15/2026

Description

An Oceanfront Masterpiece with Infinite Horizons Commanding a premier position above the crystal-clear waters of the Atlantic, this exceptional open-water estate represents the pinnacle of refined island living. With its highly sought-after southern exposure, 258 W Seaview Circle is immersed in golden sunlight throughout the day, offering uninterrupted panoramic ocean views and the gentle cadence of waves just steps from the residence. Beyond the protective breakwater, a pristine sandy shoreline and natural sandbar unfold—an idyllic extension of your private coastal sanctuary. Designed to seamlessly balance sophisticated entertaining with effortless relaxation, the estate features an impressive 112-foot bi-level dock and seawall, perfectly suited for the discerning boating enthusiast. The oceanfront terrace is anchored by a striking 50-foot lap pool, elevated eight feet above sea level to maximize views and serenity. Framed by a charming Tiki hut, lush tropical landscaping, and curated ambient lighting, the outdoor living spaces transform into an enchanting seaside retreat as evening falls. Inside, classic craftsmanship is paired with modern elegance. This four-bedroom, three-and-a-half-bath residence offers a coral rock fireplace, private elevator, and a generously proportioned gourmet chef's kitchen designed for both everyday indulgence and elevated culinary experiences. Every detail—from the architectural finishes to the meticulously maintained grounds—reflects exceptional care, quality, and pride of ownership. Whether hosting intimate gatherings beneath the stars, savoring tranquil mornings overlooking endless blue horizons, or setting out for a day on the water, 258 W Seaview Circle delivers an unrivaled lifestyle in Duck Key, widely regarded as the Middle Keys' most prestigious enclave. Residents enjoy access to two marinas, watersports, and local dining within this charming, golf cart-friendly island community.

More Information MLS# 617294

Contract Information

Listing Board: Marathon/Lower Keys As is Rght to Inspct: Yes Current Price: $4,250,000 Listing Date: 2025-11-07 List Price: $4,250,000

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 Infinite Horizons Commanding a premier position above the crystal-clear waters of the Atlantic, this exceptional open-water estate represents the pinnacle of refined island living. With its highly sought-after southern exposure, 258 W Seaview Circle is immersed in golden sunlight throughout the day, offering uninterrupted panoramic ocean views and the gentle cadence of waves just steps from the residence. Beyond the protective breakwater, a pristine sandy shoreline and natural sandbar unfold—an idyllic extension of your private coastal sanctuary. Designed to seamlessly balance sophisticated entertaining with effortless relaxation, the estate features an impressive 112-foot bi-level dock and seawall, perfectly suited for the discerning boating enthusiast. The oceanfront terrace is anchored by a striking 50-foot lap pool, elevated eight feet above sea level to maximize views and serenity. Framed by a charming Tiki hut, lush tropical landscaping, and curated ambient lighting, the outdoor living spaces transform into an enchanting seaside retreat as evening falls. Inside, classic craftsmanship is paired with modern elegance. This four-bedroom, three-and-a-half-bath residence offers a coral rock fireplace, private elevator, and a generously proportioned gourmet chef's kitchen designed for both everyday indulgence and elevated culinary experiences. Every detail—from the architectural finishes to the meticulously maintained grounds—reflects exceptional care, quality, and pride of ownership. Whether hosting intimate gatherings beneath the stars, savoring tranquil mornings overlooking endless blue horizons, or setting out for a day on the water, 258 W Seaview Circle delivers an unrivaled lifestyle in Duck Key, widely regarded as the Middle Keys' most prestigious enclave. Residents enjoy access to two marinas, watersports, and local dining within this charming, golf cart-friendly island community. 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: February - 15 - 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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