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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: 6/10/2026

Overview

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 cu ...

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Listing Details MLS# 617294

Location, Tax & Legal

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
City
Duck Key
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

Contract Information

Listing Board
Marathon/Lower Keys
As is Rght to Inspct
Yes

General Property Description

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

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

Dockage

Dock
Concrete
Seawall
Concrete

More Information

Building Style

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

Vehicle Storage

Car(s)
3
Garage
Yes
Open Parking
Yes
Attached
Yes

Pool Info

Heated
Yes
In Ground
Yes
Concrete
Yes

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.

Fee Includes

None
Yes

Tax Exemptions

Homestead
Yes

Appliances

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

Pets

Pets Allowed
Yes

Cooling

Ceiling Fans(s)
Yes
Central Air
Yes
Heat Pump
Yes

Heating

Central
Yes
Fireplace(s)
Yes

Waterfront

Oceanfront
Yes
Open Water
Yes

Waterview

Ocean View
Yes
Open Water View
Yes

Floor

Tile
Yes

Neighborhood Feature

Community Boat Ramp
Yes
Fire Hydrant
Yes

Interior Features

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

Specialty Rooms

Laundry Room
Yes

Windows/Doors

Double Hung Windows
Yes
Sliding Glass Doors
Yes

Security

Patrolled Area
Yes

Construction

CBS
Yes

Land Size

1/4 - 1/2 Acre
Yes

Furnished

Negotiable
Yes

Terms

Cash
Yes
Conventional
Yes

Utilities

Cable Available
Yes
Community Swr Plant
Yes
FKAA
Yes
Sewer Available
Yes

Porch/Balcony

Open Porch/Balcony
Yes
Patio
Yes
Screened P/B
Yes
Screened Patio
Yes

Title

Title Ins - Buyer
Yes

Exterior Features

Chickee Hut
Yes

Roof

Tile Roof
Yes

Shutters

Accordion
Yes

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; 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: June - 10 - 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.