Is a car needed in Marathon, FL?

As of early 2026, 82% of users say car is needed

Would people walk alone at night in Marathon, FL?

As of early 2026, 79% of users say people would walk alone at night

Is parking easy in Marathon, FL?

As of early 2026, 76% of users say parking is easy

Is Marathon, FL quiet?

As of early 2026, 72% of users say it's quiet

Is Marathon, FL dog-friendly?

As of early 2026, 70% of users say it's dog friendly

Are yards well-kept in Marathon, FL?

As of early 2026, 70% of users say yards are well-kept

Does Marathon, FL show holiday spirit?

As of early 2026, 68% of users say there's holiday spirit

Is Marathon, FL walkable to restaurants?

As of early 2026, 61% of users say it's walkable to restaurants

Is there wildlife in Marathon, FL?

As of early 2026, 53% of users say there's wildlife

Do residents of Marathon, FL plan to stay at least 5 years?

As of early 2026, 53% of users say they plan to stay for at least 5 years

Are there community events in Marathon, FL?

As of early 2026, 51% of users say there are community events

Do kids play outside in Marathon, FL?

As of early 2026, 48% of users say kids play outside

Are neighbors friendly in Marathon, FL?

As of early 2026, 44% of users say neighbors are friendly

Is Marathon, FL walkable to grocery stores?

As of early 2026, 37% of users say it's walkable to grocery stores

Does Marathon, FL have sidewalks?

As of early 2026, 36% of users say there are sidewalks

Are the streets well-lit in Marathon, FL?

As of early 2026, 29% of users say streets are well-lit

FOR SALE

340 E Seaview Dr
Duck Key, FL 33050

4 Beds
4 Baths
2,351 sqft

$2,595,000

$2,775,000

Est. Mortgage $14,692/mo*

Get Pre-Qualified

$2,595,000

$2,775,000

Est. Mortgage $14,692/mo*

Get Pre-Qualified

4 Beds

4 Baths

2,351 sqft

Local Information

-- mins to

Commute Destination

Description

Experience refined island living in this elegant deepwater canal home on Duck Key--an exceptional retreat ideal for large families or those who love to entertain. Perfectly positioned along the pristine Indies Canal, the home captures sweeping water views and offers enchanting peek-a-boo vistas of the ocean from the private master suite balcony.Crafted with enduring quality, this elevated concrete home features a metal roof and expansive windows that frame lush tropical scenery from every angle. Generously proportioned rooms, a graceful interior staircase connecting both levels, and tile flooring throughout enhance the home's spacious and sophisticated feel. Outdoor living is elevated with expansive wrap-around balconies, a concrete seawall, and ground-level covered areas ideal for relaxing or hosting guests. The spacious lower-level family room provides an inviting additional living area, seamlessly connected to the patio and waterfront. The property also includes a one-car garage, abundant storage, and ample room for additional parking--perfect for a golf cart, a favored mode of island transportation.Residents may opt to join Club Duck Key, offering resort-style amenities including a heated and chilled swimming pool, pickleball and tennis courts, a grand lanai for entertaining, and a vibrant year-round social calendar. The island also features two full-service marinas with fuel, boat storage, water sports, and an array of dining options. This exceptional deepwater home blends luxury, comfort, and the quintessential Florida Keys lifestyle. Don't miss the opportunity to make this extraordinary legacy property your own--schedule your private showing today.

Home Highlights

Parking

Garage

Outdoor

Porch, Patio

View

Ocean, Canal

HOA

$21/Monthly

Price/Sqft

$1,104

Listed

161 days ago

Home Details for 340 E Seaview Dr

Interior Features
Interior Details Wet Bar
Beds & Baths Number of Bedrooms: 4Number of Bathrooms: 4Number of Bathrooms (full): 4
Dimensions and Layout Living Area: 2351 Square Feet
Appliances & Utilities Utilities: FKAAAppliances: Washer, Stainless Steel Appliance(s), Microwave, Range, Refrigerator, Dishwasher, DryerDishwasherDryerLaundry: Laundry RoomMicrowaveRefrigeratorWasher
Heating & Cooling Has CoolingAir Conditioning: Central Air
Gas & Electric Electric: Elect Separate Meter
Windows, Doors, Floors & Walls Window: Drapes/Blinds Incl, Other Windows/Doors, Impact Rstnce Window, AccordionFlooring: Tile, Wood
Levels, Entrance, & Accessibility Stories: 2Levels: TwoFloors: Tile, Wood
View Has a ViewView: Ocean, Canal
Security Security: Patrolled Area

Exterior Features
Exterior Home Features Roof: MetalPatio / Porch: Open Porch/Balcony, Widow's Walk, PatioExterior: StorageNo Private Pool
Parking & Garage Has a CarportHas a GarageNo Attached GarageNo Open ParkingParking Spaces: 1Parking: Garage,Carport
Frontage WaterfrontWaterfront: Canal Front, Waterfront, Seawall: Concrete, Dock Length: 75On Waterfront
Water & Sewer Sewer: Community Swr Plant, Public Sewer

Days on Market
Days on Market: 161

Property Information
Year Built Year Built: 1985
Property Type / Style Property Type: ResidentialProperty Subtype: Single Family Residence
Building Construction Materials: CBS
Property Information Parcel Number: 00384330000000

Price & Status
Price List Price: $2,595,000Price Per Sqft: $1,104

Active Status
MLS Status: Active

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

Agent Information
Listing Agent Listing ID: 617471

Community
Community Features: Community Boat Ramp, Fire Hydrant

HOA
HOA Fee Includes: NoneAssociation for this Listing: Marathon/Lower KeysNo HOAHOA Fee: $250/Yearly

Lot Information
Lot Area: 8276.4 sqft

Offer
Listing Terms: Cash, Conventional

Miscellaneous
Mls Number: 617471Water ViewWater View: Ocean, Canal

Additional Information
Community Boat RampFire Hydrant

Last check for updates: about 1 hour ago

Listing courtesy of Brenner Scheel Casey, (305) 783-3395

Florida Keys Real Estate Group

Originating MLS: Marathon/Lower Keys

Source: FLKMLS, MLS#617471

Also Listed on FLKMLS, Key West AOR, Key West AOR, MLKAR.

Price History for 340 E Seaview Dr

Date	Price	Event	Source
01/04/2026	$2,595,000	PriceChange	Key West AOR #617471
Price Change $180,000 (-6%)
11/26/2025	$2,775,000	Listed For Sale	Key West AOR #617471

11/20/2024	$2,375,000	Sold	Key West AOR #612339
Recording Date 11/20/2024 County Transfer Tax N/A Total Transfer Tax N/A
08/24/2000	$550,000	Sold	N/A
Recording Date 08/24/2000 County Transfer Tax N/A Total Transfer Tax $3,850

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Property Tax and Assessment

Year	2025
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
314 E Seaview Dr, Duck Key, FL	0.19	Single-Family Home	$3,500,000	07/25/25	4	3.5	3,295
115 N Bahama Dr, Duck Key, FL	0.25	Single-Family Home	$820,000	06/05/25	3	3	1,817
146 N Indies Dr, Duck Key, FL	0.27	Single-Family Home	$1,900,000	05/14/25	3	2	1,640
196 S Indies Dr, Duck Key, FL	0.56	Single-Family Home	$1,725,000	02/10/26	3	3	2,088
341 E Seaview Dr, Duck Key, FL	0.05	Single-Family Home	$4,600,000	02/06/26	2	3.5	2,744
212 Schooner Ln, Duck Key, FL	0.78	Single-Family Home	$2,000,000	11/03/25	4	4	3,172
254 W Seaview Cir, Duck Key, FL	0.63	Single-Family Home	$4,000,000	12/12/25	4	4	2,519
224 W Seaview Cir, Duck Key, FL	0.45	Single-Family Home	$3,625,000	03/27/26	3	2	1,658

Assigned Schools

These are the assigned schools for 340 E Seaview Dr.

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.

82 % 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

Learn more about our methodology.

4yrv5tc4qr
Prev. Resident
1y ago
"Seafood festival, theater, music festival, turtle releases, homecoming parade, 4th of July fireworks on the beach"
1
Flag
Ingridfox
Resident
5y ago
"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.
Resident
5y ago
"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.
Resident
5y ago
"We have basic public transportation. I’d take a taxi anywhere in town. .............................,,"
0
Flag
Erin F.
Resident
5y ago
"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
Resident
6y ago
"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
Resident
6y ago
"Lots of community events and activities. Fishing tournaments, seafood festival, school carnivals, etc... "
2
Flag
Jamie B.
Resident
6y ago
"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
Resident
7y ago
"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.
Resident
7y ago
"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
Resident
7y ago
"We are a friendly neighborhood. You walk your street and say Hi anytime. It is a safe street to live "
0
Flag
Ksperkinson
Visitor
7y ago
"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.
Resident
7y ago
"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
Resident
7y ago
"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
Prev. Resident
7y ago
"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.
11y ago
"I live here (14 years) and love the area. Close accessibility to shopping, schools, churches, golf, beach, walking, biking. "
0
Flag
Anne K.
12y ago
"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.
14y ago
"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

LGBTQ Local Legal Protections

Additional Cost

Brenner Scheel Casey, Florida Keys Real Estate Group

Agent Phone: (305) 783-3395

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 Board of Realtors.

340 E Seaview Dr, Duck Key, FL 33050 is a 4 bedroom, 4 bathroom, 2,351 sqft single-family home built in 1985. This property is currently available for sale and was listed by FLKMLS on Nov 26, 2025. The MLS # for this home is MLS# 617471.

340 E Seaview Dr
Duck Key, FL 33050

$2,595,000

$2,595,000

Local Information