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210 W Seaview Circle, Duck Key, FL 33050

$5,250,000
Property Type: Residential Bedrooms: 4 Baths: 4 Square Footage: 3,304 Lot Size (sq. ft.): 10,070 Status: Active
Current Price: $5,250,000 List Date: 1/19/2026 Last Modified: 4/07/2026

Overview

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 ...

Listing Details MLS# 618179

Location, Tax & Legal

Street #
210
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
Mile Marker
61
Marathon Neighborhood
N/A
Side
Ocean
Flood Zone
AE,AE,VE
Alternate Key #
1466611
Parcel #
00382920-000000
Zoning
SRL - Sub Urban Residential District Limited
Deed Restrictions
No
Legal
BK 2 LOT 27 DUCK KEY PLANTATION ISLAND PB5-82 TOMS HARBOR OR345-245 OR1238-1965 OR1308-1980 OR1385-883 OR2732-446 OR3235
Taxes
31985.47
Tax Year
2025
Pub Sewer HkUp
Yes

Contract Information

Listing Board
Florida Keys

General Property Description

Realtor.COM Type
Residential - Single Family
Style
Single Family
Waterfront
Yes
Control Depth
10
Pool
Yes
Year Built
1965
Lot SqFt
10070
Acres
0.23
Living Apx SqFt
3304
SqFt Source
Property Data Card
Total Bedrooms
4
Full Baths
4
Total Baths
4
Rentals Allowed
No
Total Units
0

Association Info

Mandatory Home Owners Asc
No
1st Right of Refusal
No
Association Fee $
0

Dockage

Dock Length
78
Dock
Concrete
Seawall
Concrete
Boat Lift
Yes

More Information

Building Style

Above Flood
Yes

Remarks & Misc

Remarks – Consumer
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.

Fee Includes

Sewer
Yes

Tax Exemptions

None
Yes

Appliances

Dishwasher
Yes
Dryer
Yes
Refrigerator
Yes
Washer
Yes

Pets

Other See Remarks
Yes

Cooling

Central Air
Yes

Heating

Central
Yes

Waterfront

Oceanfront
Yes
Open Water
Yes

Waterview

Ocean View
Yes
Open Water View
Yes

Floor

Marble
Yes

Neighborhood Feature

Airstrip
Yes
Clubhouse
Yes
Community Boat Ramp
Yes
Community Pool
Yes
Tennis Courts
Yes

Interior Features

Bar
Yes
Storage
Yes

Windows/Doors

Impact Rstnce Doors
Yes
Impact Rstnce Window
Yes

Vehicle Storage

Garage
Yes

Security

Patrolled Area
Yes

Construction

Other
Yes

Land Size

Less Than 1/4 Acre
Yes

Furnished

Negotiable
Yes

Terms

Cash
Yes
Conventional
Yes
Seller Finance Psble
Yes

Utilities

Propane
Yes

Title

Negotiable
Yes

Pool Info

In Ground
Yes

Pre-Wired

Cable
Yes

Roof

Other Roof
Yes

Shutters

Other
Yes

Property Features

Fee Includes: Sewer Tax Exemptions: None Waterfront: Oceanfront; Open Water Waterview: Ocean View; Open Water View Dockage: Boat Lift Vehicle Storage: Garage Furnished: Negotiable Cooling: Central Air Heating: Central Utilities: Propane Interior Features: Bar; Storage Pre-Wired: Cable Appliances: Dishwasher; Dryer; Refrigerator; Washer Pool Info: In Ground Construction: Other Shutters: Other Floor: Marble Roof: Other Roof Pets: Other See Remarks Neighborhood Feature: Airstrip; Clubhouse; Community Boat Ramp; Community Pool; Tennis Courts Security: Patrolled Area Land Size: Less Than 1/4 Acre Terms: Cash; Conventional; Seller Finance Psble Title: Negotiable
Listing Office: Trustpoint Realty, LLC
Last Updated: April - 07 - 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.