340 E  Seaview Dr, Duck Key, FL 33050
OFF MARKET

340 E Seaview Dr
Duck Key, FL 33050

  • 3 Beds
  • 3 Baths
  • 2,351 sqft

$2,417,800

Trulia Estimate
as of Aug 5, 2026
Est. Refi. Payment $14,170/mo*

$2,417,800

Trulia Estimate
as of Aug 5, 2026
Est. Refi. Payment $14,170/mo*
3 Beds
3 Baths
2,351 sqft

Local Information

  • Map ViewExplore the area around 340 E Seaview Dr.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1985
Living Area
2,351 sqft
Price/Sqft
$1,028
Parking
Garage
HOA
$25/Monthly

About this House

FOR STATISTICAL PURPOSES
340 E Seaview Dr, Duck Key, FL 33050 is a 3 bedroom, 3 bathroom, 2,351 sqft single-family home built in 1985. It last sold for $2,375,000 on Nov 20, 2024 (5% below the $2,500,000 asking price). It is currently off market. The Trulia Estimate is $2,417,800, with a rent estimate of $4,701/month.

Home Details for 340 E Seaview Dr

Interior Features

Beds & Baths
Number of Bedrooms: 3Number of Bathrooms: 3Number of Bathrooms (full): 3
Dimensions and Layout
Living Area: 2351 Square Feet
Appliances & Utilities
Utilities: Elect Separate MeterAppliances: Washer, Dryer, Dishwasher, Refrigerator, Range, Microwave, Stainless Steel Appliance(s)DishwasherDryerLaundry: Laundry RoomMicrowaveRefrigeratorWasher
Heating & Cooling
Has CoolingAir Conditioning: Central Air
Windows, Doors, Floors & Walls
Flooring: Tile, Wood
Levels, Entrance, & Accessibility
Floors: Tile, Wood
View
No View
Security
Security: Security Guard
Room & Shared Space
Shared space is furnished

Exterior Features

Exterior Home Features
Patio / Porch: Open Porch/Balcony, Widow's Walk, PatioExterior: StorageNo Private Pool
Parking & Garage
Has a GarageParking: Garage
Frontage
WaterfrontOn Waterfront

Property Information

Year Built
Year Built: 1985
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family Residence
Building
Building: Medium - 5Ft - 9FtConstruction Materials: CBS
Property Information
Parcel Number: 00384330000000

Price & Status

Price
List Price: $2,500,000

Active Status

MLS Status: Closed

Location

Direction & Address
City: Duck KeyCommunity: Yacht Club Island (61.0)

Building

Building Area
Building Area: 2351 Square Feet

Community

Community Features: Community Boat Ramp, Fire Hydrant

HOA

HOA Fee Includes: NoneNo HOAHOA Fee: $300/Annually

Lot Information

Lot Area: 8276.4 sqft

Offer

Listing Terms: Cash, Conventional

Rental Terms, Policies & Fees

Furnished

Miscellaneous

Mls Number: 612339

Additional Information

Community Boat RampFire Hydrant
Last check for updates: about 11 hours ago
Listed by Kristen Brenner/Margie Casey Team, (305) 664-1453
Florida Keys Real Estate Group
Bought with: Kristen Brenner/Margie Casey Team, (305) 664-1453, Florida Keys Real Estate Group
Source: FLKMLS, MLS#612339

Price History for 340 E Seaview Dr

DatePriceEventSource
06/14/2026$2,595,000ListingRemovedFLKMLS #617471
01/04/2026$2,595,000PriceChange
Key West AOR #617471
11/26/2025$2,775,000Listed For SaleKey West AOR #617471
11/20/2024$2,375,000Sold
FLKMLS #612339
08/24/2000$550,000Sold
N/A

Market trends in Marathon

Last updated June 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$723K
$19.17K
MoM
Sale-to-List Price
94.6%
Price per sq ft
$628
$22
MoM
Available listings
251
17
MoM
Skip to last item
  • Results are loading
Skip to first item

Property Tax and Assessment

Year2025
Tax$17,477
Assessment$1,897,096
Home facts updated by county records

Comparable Sales for 340 E Seaview Dr

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
0.03
Single-Family Home
$2,600,000
06/05/26
3
3
1,960
0.28
Single-Family Home
$2,100,000
07/08/26
4
3.5
2,779
0.56
Single-Family Home
$1,725,000
02/10/26
3
3
2,088
0.31
Single-Family Home
$1,550,000
07/20/26
4
4
3,298
0.09
Single-Family Home
$650,000
01/30/26
3
2
1,450
0.44
Single-Family Home
$3,625,000
03/27/26
3
2
1,658
0.05
Single-Family Home
$4,600,000
02/06/26
2
3.5
2,744

Nearby homes

Get a sense of prices in the area by checking nearby homes.
Skip to last item
Skip to first item

Assigned Schools

These are the assigned schools for 340 E Seaview Dr.
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

What Locals Say about Marathon

At least 61 Trulia users voted on each feature.
  • 83 % Say car is needed

  • 79 % Say people would walk alone at night

  • 76 % Say parking is easy

  • 72 % Say it's quiet

  • 70 % Say it's dog friendly

  • 70 % Say yards are well-kept

  • 68 % Say there's holiday spirit

  • 61 % Say it's walkable to restaurants

  • 53 % Say there's wildlife

  • 53 % Say they plan to stay for at least 5 years

  • 51 % Say there are community events

  • 49 % Say kids play outside

  • 45 % Say neighbors are friendly

  • 37 % Say it's walkable to grocery stores

  • 36 % Say there are sidewalks

  • 29 % Say streets are well-lit

Sourced by Trulia users. Learn more about our methodology.
  • 4yrv5tc4qr
    "Seafood festival, theater, music festival, turtle releases, homecoming parade, 4th of July fireworks on the beach"
  • Ingridfox
    "people love walking dogs on the beach and dog dog park at Sombrero Beach. A lot of restaurants are dog friendly. This is a great place for dog owners. "
  • C E.
    "There is no place for kids to hang out really except for the skate park. There are no malls, no skating rinks, no places for kids to meet safely. "
  • Jan M.
    "We have basic public transportation. I’d take a taxi anywhere in town. .............................,,"
  • Erin F.
    "There’s plenty of grass, sidewalks and quiet roads to walk along.. plus the public beach is always a dogs favorite adventure.. just pick up after your dog!"
  • Thurmankolb
    "Yes! Dog park just down the street. Lots of neighbors know each other by our dogs. Great vets n Marathon and good groomer."
  • Thurmankolb
    "Lots of community events and activities. Fishing tournaments, seafood festival, school carnivals, etc... "
  • Jamie B.
    "Everyone gets together for the kids at Halloween. We have a community park with special events planned for the kids and the beach is the sight for a special 4th of July. "
  • Abiezer31
    "Of course ,the neighbors the owner and dog are very nice I’m very proud living in my house.and this neighborhood "
  • Darren S.
    "I live off the beaten path across the street from a golf course. It's very quiet and tranquil. throb marinas surrounding the property and can walk to All shops and stores."
  • Cyndiepalmer
    "We are a friendly neighborhood. You walk your street and say Hi anytime. It is a safe street to live "
  • Ksperkinson
    "Safe clean near ocean good police pet friendly hospital is coming along in the construction have contract here at hospital looking forward to finding a good place for 3 months"
  • Stephanie M.
    "A lot of kids and cars. A fire station that is noisey but nice. Lizards everywhere. There is one hotel on this small island. There are A lot of Vacation homes here and crab catchers. When it rains you can't see the road."
  • Lb2071
    "water front community , is a small island called Flamingo Island. We have a 9 hole golf course and just 5 minutes from Publix and Kmart. Sombrero beach is right at the outset of the canals on the Atlantic ocean and the people are very loving and friendly."
  • Gonzalez8834
    "Marathon is a great place to life and have a family, very safe, quiet and full of great people. ......"
  • Tom A. C. M.
    "I live here (14 years) and love the area. Close accessibility to shopping, schools, churches, golf, beach, walking, biking. "
  • Anne K.
    "Lived here for many years and is one of the best places to live in Marathon. Conveniently located near schools, parks, shopping and beach just minutes away."
  • Debra G.
    "Only 8 miles from Marathon. Away from the winter traffic, airport noise. Crystal clean, flow through canals. Great place to vacation and a great place to live. "

LGBTQ Local Legal Protections

Apartments for Rent

Explore by feature - Pet Friendly

Explore by feature - Garage

Explore by feature - Air Conditioning

Explore by feature - Pool

Explore by feature - Washer/dryer

Homes for sale near 340 E Seaview Dr

Skip to last item
Skip to first item

Off Market Homes Near 340 E Seaview Dr

Skip to last item
Skip to first item
MLS Internet Data Exchange (IDX) information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by the Florida Keys MLS.