511 30th St, Marathon, FL 33050
Property image
Property image
OFF MARKET

511 30th St
Marathon, FL 33050

  • 4 Beds
  • 3 Baths
  • 2,194 sqft

$1,236,200

Trulia Estimate
as of Aug 9, 2026
Est. Refi. Payment $7,171/mo*
Refinance Your Home

$1,236,200

Trulia Estimate
as of Aug 9, 2026
Est. Refi. Payment $7,171/mo*
Refinance Your Home
4 Beds
3 Baths
2,194 sqft

Local Information

  • Map ViewExplore the area around 511 30th 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
1955
Living Area
2,194 sqft
Price/Sqft
$563
Parking
Garage

About this House

Large 4 bedroom home boasts one of the LARGEST PRIVATE BOAT SLIPS AT ANY RESIDENTIAL SF HOME IN MIDDLE KEYS at 24' WIDE x 50' LONG with plenty of room for up to 4 boats! New $120k dock was completed in 2017 with an upgraded concrete/reinforced coral boulder slip & additional 50' dock along the back of the property. Plus, the amazing location offers both ultimate hurricane protection -the owners 40' catamaran survived Irma tied in the slip without a scratch- & quick ocean/gulf access! At idle speed, you are only 15 min from the ocean & just 4 nautical miles away from a 65' clearance under the 7 mile bridge to cross into the gulf with access to 3 gas docks & 4 restaurants right around the corner. Yacht, sailboat, sport fisher, or catamaran-this property will accommodate all of boating needs!
511 30th St, Marathon, FL 33050 is a 4 bedroom, 3 bathroom, 2,194 sqft single-family home built in 1955. It last sold for $820,000 on Dec 11, 2020. It is currently off market. The Trulia Estimate is $1,236,200, with a rent estimate of $5,396/month.

Home Details for 511 30th St

Interior Features

Heating & Cooling
Heating: Forced AirAir ConditioningCooling System: CentralHeating Fuel: Forced Air
Interior Details
Types of Rooms: Walk In ClosetCeiling Fan
Appliances & Utilities
DishwasherDryerMicrowaveRefrigeratorWasher
Fireplace & Spa
Hot Tub or Spa
Levels, Entrance, & Accessibility
Floors: Tile

Exterior Features

Exterior Home Features
Roof: MetalExterior: StuccoFoundation Type: SlabPatioPorch
Parking & Garage
GarageParking: Garage

Property Information

Year Built
Year Built: 1955Year Updated: 1990
Property Type / Style
Property Type: Single Family Home

Rental Terms, Policies & Fees

Furnished

Community

Units in Building: 1

Lot Information

Lot Area: 10001 sqft

Price History for 511 30th St

DatePriceEventSource
12/11/2020$820,000Sold
FLKMLS #592463
09/26/2020$875,000PriceChange
Agent Provided
09/09/2020$879,000Listed For SaleAgent Provided
04/24/2020$870,000ListingRemovedAgent Provided
01/20/2020$870,000PriceChange
Agent Provided
09/10/2019$899,000Listed For SaleAgent Provided
05/17/2019$999,000ListingRemovedAgent Provided
04/27/2019$999,000Listed For SaleAgent Provided
07/17/2013$337,000Sold
FLKMLS #557127

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$10,143
Assessment$1,129,070
Home facts updated by county records

Comparable Sales for 511 30th St

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
599 30th St, Marathon, FL
0.01
Single-Family Home
$980,000
07/13/26
3
2
1,537
605 26th St, Marathon, FL
0.19
Single-Family Home
$720,000
07/29/26
3
2
1,260
1254 James Ave, Marathon, FL
0.31
Single-Family Home
$811,000
03/25/26
3
2
1,152
644 26th St, Marathon, FL
0.17
Single-Family Home
$720,000
01/15/26
2
2
1,293
2691 Sombrero Blvd, Marathon, FL
0.76
Single-Family Home
$850,000
01/29/26
4
2
3,047
716 26th St, Marathon, FL
0.18
Single-Family Home
$740,000
07/09/26
3
2.5
1,320
981 Ocotillo Ln, Marathon, FL
0.86
Single-Family Home
$540,400
10/01/25
3
3
1,782
390 25th St, Marathon, FL
0.22
Single-Family Home
$630,000
10/30/25
3
2
1,000
204 22nd St, Marathon, FL
0.38
Single-Family Home
$500,000
09/02/25
2
2
960
357 23rd St, Marathon, FL
0.37
Single-Family Home
$525,000
02/19/26
2
1
1,010

Nearby homes

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Assigned Schools

These are the assigned schools for 511 30th 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

  • 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 Marathon, FL

Explore by feature - Garage

7 rentals with a garage in Marathon, FL

Explore by feature - Air Conditioning

20 rentals with air conditioning in Marathon, FL

Explore by feature - Pool

19 rentals with a pool in Marathon, FL

Explore by feature - Washer/dryer

24 rentals with a washer/dryer in Marathon, FL

Homes for sale near 511 30th St

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Off Market Homes Near 511 30th St

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Frequently asked questions about 511 30th St

  • What is 511 30th St estimated to be worth?
    Trulia's estimated value for 511 30th St in Marathon, FL is $1,236,200.
  • What is the price history for 511 30th St?
    511 30th St in Marathon, FL last sold for $820,000 in December 2020.
  • Is Marathon a buyer's or seller's market?
    Marathon is currently a buyer's market, based on recent for-sale activity.
  • What's the median sale price in Marathon?
    The median sale price in Marathon is $723K. That is down $19.17K from the prior month.
  • Does 511 30th St have air conditioning?
    Yes, 511 30th St in Marathon, FL has air conditioning.
  • Does 511 30th St have laundry facilities?
    Yes, 511 30th St in Marathon, FL has in-unit laundry.