About This Home

This 4-bedroom, 4-bathroom single family at 258 W Seaview Circle in Duck Key, FL is listed for $4,250,000 ($1,489 per sqft). Built in 1985, the home offers 2,854 sqft of living space on a 0.23 acres lot.

Key Features

  • Built in 1985
  • 0.23 acre lot
  • Private pool
  • Fireplace
  • Waterfront

Property Details

3 full, 1 half
1985

Amenities

PoolFireplaceWaterfrontViewA/C
Listing 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.

Monthly Cost Estimate

$22,980/mo

20% down · 6.5% · 30 years

Principal$3,074
Interest$18,417
Insurance$1,240
HOA$250

Estimates only. Actual payments may vary.

Location

258 W Seaview Circle

Duck Key, FL 33050

Plantation Island (61.0)

Features & Amenities

Interior Features

Granite Counter TopElevatorStorage

Exterior Features

Chickee Hut

Property Details

Flooring

Tile

Construction

CBS

Views

WaterOcean

Pool Features

Pool

Outdoor Features

PatioPorch

Parking

Open

Heating

Fireplace(s)Central

Cooling

Heat PumpCentral Air

Appliances

WasherDryerDishwasherRefrigeratorRangeOvenMicrowaveStainless Steel Appliance(s)

Questions & Answers

This 4-bedroom, 4-bathroom single family at 258 W Seaview Circle is listed at $4,250,000 ($1,489/sqft). The estimated monthly payment is $22,980 based on 20% down, a 30-year loan at 6.5% interest, estimated insurance, HOA fees.

HOA fees are $250/month.

Key features include: Built in 1985, 0.23 acre lot, Private pool, Fireplace, Waterfront. Interior Features: Granite Counter Top, Elevator, Storage. Exterior Features: Chickee Hut.

This property is listed by Brenner Scheel Casey and can be reached at 3057833395.

BC

Brenner Scheel Casey

License BK339103, BK3179545, SL3504409

Agent at Florida Keys Real Estate Group

(305) 783-3395

Listed by Florida Keys Real Estate Group · Broker phone: (305) 664-1453 · View on Broker Site

MLS# 617294· Source: Marathon and Lower Keys Association of Realtors· 69 days on PropertySimple

Copyright © 2026 Marathon and Lower Keys Association of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

258 W Seaview Circle, Duck Key, FL 33050

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