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210 W Seaview Circle

Duck Key, FL, 33050

Active

$4,950,000

4

Bedrooms

4

Bathrooms

3,304 sqft

Living Area

1965

Year Built

10,070

Lot Size (sqft)

203

Days on Market

Dock Score™

DockOnly
49
Fair

What shaped this score

Dock with boat lift for up to 33ft
Bridge-free to ocean
Fits boats up to ~75ft (est.)
·Waterfront

DockOnly.com rating, not provided by the MLS or listing broker.

Dock & Water AccessMLS

OceanfrontOpen Water📝 20K-lb boat lift📝 deep water

AI Aerial Imagery Detection

Dock DetectedBoat Lift DetectedSeawall Detected~64-86 ft dock

Detected by AI from open-source aerial mapping imagery and may not reflect current conditions. This information was not provided by the MLS or listing broker. Always verify dock infrastructure with the listing agent.

Navigation RouteDockOnly

Data sources: SFWMD AHED waterway polygons · FHWA National Bridge Inventory 2024 · Not provided by the MLS or listing broker.

Description

Discover a luxurious oceanfront haven on Duck Key, Florida, listed at $5,250,000. This 4-bed, 4-bath, 3,417 sq ft home on a 10,070 sq ft lot in Plantation Island blends elegance with island charm. Built in 1965 and exquisitely updated in 2019 with brand new AC, Electric and Plumbing. It features shell stone-wrapped walls, iceberg marble floors on the first level, and onyx marble upstairs, with a book-matched slab in the master suite. The gourmet kitchen boasts a La Cornue gas stove, ideal for hurricane season. Enjoy 72 ft of deep-water dockage with 20,000 lb and 10,000 lb boat lifts, coral stone steps to a canal, and access to a private Duck Key boat ramp ($10 fee) and marina for safe storage and fueling. Fish for tuna, mahi-mahi, and snapper near deep ocean drops and humps, with easy bayside access via nearby bridges. Lush mango, guava, and plantain trees, plus bougainvillea, create a tropical oasis. Duck Key, 60 miles from Key West and 100 miles from Miami, offers 230 sunny days, 70s-90s temps, and no state income tax. Join the optional Duck Key clubhouse for a pool, tennis, pickleball, and events, or Hawks Cay Resort for its Michelin-rated Salt and Ash restaurant, saltwater lagoon, Dolphin Connection, and pools. Relax at Grassy Key Sandbar or dive into vibrant marine life with dolphins and manatees. With top schools and a tight-knit community, this home, steps from the island's entrance, features calacatta stone, Restoration Hardware furniture, and marble baseboards. Cash, conventional, or seller financing available.

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Location

Duck Key, FL, 33050

No price history available for this property.

Displayed by Blue Mar Real Estate Group Inc., Licensed Florida Real Estate Broker (DBPR CQ1018554) · [email protected]

Listing courtesy of Trustpoint Realty, LLC via Florida Keys MLS

Last checked: 11 hours ago

Listing updated: August 10, 2026

© 2026 Florida Keys Board of REALTORS®, Inc. All rights reserved. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange (IDX) program of the Florida Keys Board of REALTORS®. Information is deemed reliable but not guaranteed and should be independently verified. All properties are subject to prior sale, change, or withdrawal.

IDX information is provided exclusively for consumers' personal, non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Nearest Bridge Clearances

Florida Keys, critical for tall/large vessels

No bridge data available for this location.
FEMA Flood Zone AE
BFE: 10ft

Special Flood Hazard Area

View FEMA Flood Map →
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Mortgage Calculator

Estimate your monthly payment for this waterfront property

20%

$990,000 down

%
Principal & Interest$25,684/mo
Property Tax (est. ~1.2%, varies by county)$4,950/mo
Home Insurance (est.)$250/mo
Total Monthly Payment$30,884
Loan Amount: $3,960,000Rate: 6.75%
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$4,950,000Tour the dockSchedule a Showing
Navigation note: Navigation routes show the shortest mapped path to open water. A vessel taller than the binding bridge clearance may still reach open water via a longer alternate route that we don't currently map. Verify navigability with a local captain or surveyor before relying on it.