378 E Seaview Dr, Duck Key, FL 33050
Property image
Property image
OFF MARKET

378 E Seaview Dr
Duck Key, FL 33050

  • 5 Beds
  • 5 Baths
  • 3,715 sqft (on 0.26 acres)

$2,842,100

Trulia Estimate
as of Aug 17, 2026
Est. Refi. Payment $16,448/mo*
Refinance Your Home

$2,842,100

Trulia Estimate
as of Aug 17, 2026
Est. Refi. Payment $16,448/mo*
Refinance Your Home
5 Beds
5 Baths
3,715 sqft
(on 0.26 acres)

Home Value

Trulia Estimate
$2.84M
Since last month
Decreased$117K (-3.9%)
Since last year
Decreased$43K (-1.5%)
Since last sale
Increased$1M (+67.7%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +70% in the last 10 years
MonthEstimated value
2026
August 2026$2.84M
July 2026$2.87M
June 2026$2.96M
May 2026$2.91M
April 2026$2.76M
March 2026$2.77M
February 2026$2.71M
January 2026$2.7M
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
132 N Indies Dr, Duck Key, FL
0.25
Single-Family Home
$1,550,000
07/20/26
4
4
3,298
156 S Indies Dr, Duck Key, FL
0.45
Single-Family Home
$2,100,000
07/08/26
4
3.5
2,779
344 E Seaview Dr, Duck Key, FL
0.23
Single-Family Home
$2,600,000
06/05/26
3
3
1,960
255 W Seaview Cir, Duck Key, FL
0.72
Single-Family Home
$1,825,000
06/24/26
4
3.5
3,168
136 Bimini Dr, Duck Key, FL
0.50
Single-Family Home
$1,800,000
07/08/26
3
2
1,830
196 S Indies Dr, Duck Key, FL
0.63
Single-Family Home
$1,725,000
02/10/26
3
3
2,088
110 S Bahama Dr, Duck Key, FL
0.20
Single-Family Home
$650,000
01/30/26
3
2
1,450
387 E Seaview Dr, Duck Key, FL
0.10
Single-Family Home
$800,000
10/21/25
3
2
1,188
7202 Simran Ln, Duck Key, FL
0.21
Single-Family Home
$1,050,000
09/26/25
3
3
1,760
148 S Indies Dr, Duck Key, FL
0.40
Single-Family Home
$1,200,000
03/31/26
3
2
2,190

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
382 E Seaview Dr, Duck Key, FL 33050
0.05
$1,714,300
3
3
1,639
Off Market
152 N Indies Dr, Duck Key, FL 33050
0.10
$5,895,000
6
5.5
4,762
For Sale
308 Pinetree St, Marathon, FL 33050
0.07
$2,360,700
3
3
2,940
Off Market
7043 Harbor Village Dr, Duck Key, FL 33050
0.11
$1,258,500
3
3
1,320
Off Market
362 E Seaview Dr, Duck Key, FL 33050
0.10
$3,799,000
4
3.5
3,479
For Sale
7044 Harbor Village Dr, Duck Key, FL 33050
0.11
$1,149,000
3
2.5
1,320
For Sale
7041 Harbor Village Dr, Duck Key, FL 33050
0.12
$575,000
2
2.5
900
Recently Sold
309 Jasmine St, Duck Key, FL 33050
0.07
$1,100,000
3
2
1,659
For Sale
392 E Seaview Dr, Duck Key, FL 33050
0.09
$3,405,000
5
5
4,788
Off Market
317 E Seaview Cir, Duck Key, FL 33050
0.09
$2,400,000
3
2.5
3,172
For Sale
7036 Harbor Village Dr, Duck Key, FL 33050
0.14
$605,300
2
2
900
Off Market
387 E Seaview Dr, Duck Key, FL 33050
0.09
$800,000
3
2
1,188
Recently Sold

Local Information

  • Map ViewExplore the area around 378 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
1973
Lot Size
0.26 acres
Living Area
3,715 sqft
Price/Sqft
$765
Parking
Garage

About this House

Remarkable 5 bed. 4 full bath. 2 half bath home w deep water dockage and a pool- completely renovated including an entire suite designed by D'Asign Source. Complete legal apartment and bath downstairs,elevator to all 3 levels and a full rooftop entertainment area looking over Lake Lucille. New tiki thatch roof area surrounding the pool which is equipped with a endless pool current generator.
378 E Seaview Dr, Duck Key, FL 33050 is a 5 bedroom, 6 bathroom, 3,715 sqft single-family home built in 1973. It last sold for $1,695,000 on Dec 13, 2016. It is currently off market. The Trulia Estimate is $2,842,100, with a rent estimate of $7,597/month.

Home Details for 378 E Seaview Dr

Exterior Features

Exterior Home Features
Roof: MetalDeckExterior: StuccoFoundation Type: PilingPatioPorchSprinkler System
Pool
Pool
Parking & Garage
GarageParking: Garage

Property Information

Year Built
Year Built: 1973Year Updated: 2008
Property Type / Style
Property Type: Single Family Home

Rental Terms, Policies & Fees

Furnished

Interior Features

Interior Details
Types of Rooms: Walk In Closet
Appliances & Utilities
Cable ReadyDishwasherDryerMicrowaveRefrigeratorWasher
Heating & Cooling
Air ConditioningCooling System: Central
Levels, Entrance, & Accessibility
ElevatorFloors: Hardwood

Community

Units in Building: 1

Lot Information

Lot Area: 0.26 acres

Mobile R/V

RV Parking
Rv Parking

Building

Community rooms
Fitness Center
Pool
Sauna

Additional Information

On Site Laundry Available

Price and Tax history

DateEventPrice
Dec 13, 2016
Source: FLKMLS #570660
Sold
$1,695,000
Aug 2, 2016
Source: Agent Provided
PriceChange
$1,799,000
Price decreased by 1%
Jun 5, 2016
Source: Agent Provided
PendingToActive
$1,825,000
May 27, 2016
Source: Agent Provided
Pending
$1,825,000
May 23, 2016
Source: Agent Provided
PriceChange
$1,825,000
Price decreased by 4%

Market trends in Marathon

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$774K
$51.67KMoM
Sale-to-List Price
—
Price per sq ft
$630
$2MoM
Available listings
260
8MoM
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Around this home

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"
    1
    Flag
  • 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. "
    1
    Flag
  • 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. "
    1
    Flag
  • Jan M.
    "We have basic public transportation. I’d take a taxi anywhere in town. .............................,,"
    0
    Flag
  • 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!"
    2
    Flag
  • Thurmankolb
    "Yes! Dog park just down the street. Lots of neighbors know each other by our dogs. Great vets n Marathon and good groomer."
    6
    Flag
  • Thurmankolb
    "Lots of community events and activities. Fishing tournaments, seafood festival, school carnivals, etc... "
    2
    Flag
  • 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. "
    0
    Flag
  • Abiezer31
    "Of course ,the neighbors the owner and dog are very nice I’m very proud living in my house.and this neighborhood "
    3
    Flag
  • 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."
    0
    Flag
  • Cyndiepalmer
    "We are a friendly neighborhood. You walk your street and say Hi anytime. It is a safe street to live "
    0
    Flag
  • 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"
    0
    Flag
  • 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."
    0
    Flag
  • 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."
    0
    Flag
  • Gonzalez8834
    "Marathon is a great place to life and have a family, very safe, quiet and full of great people. ......"
    0
    Flag
  • Tom A. C. M.
    "I live here (14 years) and love the area. Close accessibility to shopping, schools, churches, golf, beach, walking, biking. "
    0
    Flag
  • 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."
    0
    Flag
  • 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. "
    0
    Flag

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Apartments for Rent

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Explore by feature - Pet Friendly

16 pet-friendly rentals in Duck Key, FL

Explore by feature - Garage

7 rentals with a garage in Duck Key, FL

Explore by feature - Air Conditioning

22 rentals with air conditioning in Duck Key, FL

Explore by feature - Pool

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Explore by feature - Washer/dryer

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Homes for sale near 378 E Seaview Dr

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Off Market Homes Near 378 E Seaview Dr

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Frequently asked questions about 378 E Seaview Dr

  • What is 378 E Seaview Dr estimated to be worth?
    Trulia's estimated value for 378 E Seaview Dr in Duck Key, FL is $2,842,100.
  • What is the price history for 378 E Seaview Dr?
    378 E Seaview Dr in Duck Key, FL last sold for $1,695,000 in December 2016.
  • Is Duck Key a buyer's or seller's market?
    Duck Key is currently a buyer's market, based on recent for-sale activity.
  • What's the median sale price in Duck Key?
    The median sale price in Duck Key is $774K. That is up $51.67K from the prior month.
  • Does 378 E Seaview Dr have air conditioning?
    Yes, 378 E Seaview Dr in Duck Key, FL has air conditioning.
  • Does 378 E Seaview Dr have a pool?
    Yes, 378 E Seaview Dr in Duck Key, FL has a pool.