306 Seagrape St, Duck Key, FL 33050
OFF MARKET

306 Seagrape St
Duck Key, FL 33050

  • 3 Beds
  • 2 Baths
  • 2,167 sqft (on 0.64 acres)

$3,599,900

Trulia Estimate
as of Jul 25, 2026
Est. Refi. Payment $20,985/mo*
Refinance Your Home

$3,599,900

Trulia Estimate
as of Jul 25, 2026
Est. Refi. Payment $20,985/mo*
Refinance Your Home
3 Beds
2 Baths
2,167 sqft
(on 0.64 acres)

Local Information

  • Map ViewExplore the area around 306 Seagrape St.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1972
Lot Size
0.64 acres
Living Area
2,167 sqft
Price/Sqft
$1,661
Parking
Garage

About this House

This single-family home is located at 306 Seagrape St, Duck Key, FL. 306 Seagrape St is in Duck Key, FL and in ZIP code 33050. This property has 3 bedrooms, 2 bathrooms and approximately 2,167 sqft of floor space. This property has a lot size of 0.64 acres and was built in 1972.
306 Seagrape St, Duck Key, FL 33050 is a 3 bedroom, 2 bathroom, 2,167 sqft single-family home built in 1972. It last sold for $600,000 on Sep 7, 1995. It is currently off market. The Trulia Estimate is $3,599,900, with a rent estimate of $4,254/month.

Home Details for 306 Seagrape St

Interior Features

Heating & Cooling
Heating: Forced Air, ElectricAir ConditioningCooling System: CentralHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 2Floors: Tile
Interior Details
Number of Rooms: 7Types of Rooms: Dining Room, Family Room, Laundry Room, Master Bath, Office, Recreation Room, Solarium AtriumCeiling Fan
Appliances & Utilities
Cable ReadyDishwasherDisposalDryerMicrowaveRefrigeratorWasher

Exterior Features

Exterior Home Features
Roof: TileDeckExterior: StuccoFoundation Type: SlabGardenPatioPorchSprinkler System
Pool
Pool
Parking & Garage
GarageParking: Garage

Property Information

Year Built
Year Built: 1972Year Updated: 2010
Property Type / Style
Property Type: Single Family Home

Community

Units in Building: 1

Lot Information

Lot Area: 0.64 acres

Mobile R/V

RV Parking
Rv Parking

Price History for 306 Seagrape St

DatePriceEventSource
09/07/1995$600,000Sold
N/A

Market trends in Marathon

Last updated June 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$723K
$19.17KMoM
Sale-to-List Price
94.6%
Price per sq ft
$628
$22MoM
Available listings
251
17MoM
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Property Tax and Assessment

Year2025
Tax$30,768
Assessment$3,502,588
Home facts updated by county records

Comparable Sales for 306 Seagrape St

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
110 S Bahama Dr, Duck Key, FL
0.21
Single-Family Home
$650,000
01/30/26
3
2
1,450
148 S Indies Dr, Duck Key, FL
0.11
Single-Family Home
$1,200,000
03/31/26
3
2
2,190
261 W Seaview Dr, Duck Key, FL
0.32
Single-Family Home
$1,300,000
04/30/26
3
2
1,869
94 Antigua St, Duck Key, FL
0.34
Single-Family Home
$1,120,000
08/15/25
3
2
1,694
1103 S Indies Dr, Duck Key, FL
0.51
Single-Family Home
$735,000
09/18/25
3
2
1,974
152 S Indies Dr, Duck Key, FL
0.13
Single-Family Home
$1,900,000
08/05/25
3
2
1,621
108 Jamaica St, Duck Key, FL
0.40
Single-Family Home
$925,000
05/11/26
3
3
1,548
261 W Seaview Dr, Duck Key, FL
0.32
Single-Family Home
$1,300,000
05/04/26
3
2
1,806
121 Bimini Dr, Duck Key, FL
0.46
Single-Family Home
$1,275,000
05/27/26
3
2.5
2,351
344 E Seaview Dr, Duck Key, FL
0.20
Single-Family Home
$2,600,000
06/05/26
3
3
1,960

Nearby homes

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Assigned Schools

These are the assigned schools for 306 Seagrape St.
View nearby schools on GreatSchools
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

  • 48 % Say kids play outside

  • 44 % 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

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Homes for sale near 306 Seagrape St

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Off Market Homes Near 306 Seagrape St

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