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  • 11243 3rd Avenue Gulf, Marathon, FL 33050 (MLS# 615209)

11243 3rd Avenue Gulf, Marathon, FL 33050

$1,500,000
Property Type: Residential Bedrooms: 5 Baths: 4 Square Footage: 2,416 Lot Size (sq. ft.): 12,728 Status: Closed
Current Price: $1,500,000 List Date: 5/28/2025 Last Modified: 9/30/2026

Overview

Description

Tropical Waterfront Escape | 11243 3rd Avenue Gulf, Marathon, FL 33050 Welcome to your ultimate Keys getaway — a spacious and stylish waterfront retreat in the heart of Marathon that's fully equipped for vacation rental success or relaxed tropical living. With 5 bedrooms, 4 full baths, and a flexible layout that comfortably hosts up to 12 guests, this property offers a rare blend of island charm, income potential, and exceptional amenities. Step inside to discover an inviting open-concept interior featuring a chef's kitchen with a gas range, stainless appliances, and generous prep space. The primary suite is a private sanctuary complete with a king bed, sofa bed, and spa-inspired ensuite bath. Additional guest rooms are thoughtfully appointed with a mix of king, queen, and twin accommodations — ideal for large families or groups. Outdoors, unwind by the 330 sq ft private pool, complete with TWO new tiki huts — one poolside and another near the fish cleaning station for a ...

Listing Details MLS# 615209

Location, Tax & Legal

Street #
11243
Street Name
3rd Avenue Gulf
Key/Island
Marathon
State/Province
FL
Zip Code
33050
County
Monroe
Subdivision
Key Colony Sub (53.0)
Area
15 - Sombrero Bch Rd to Vaca Cut Gulfside
City
MARATHON
Off Shore Island
No
Mile Marker
53
Marathon Neighborhood
Marathon East - Gulf (Airport to Vaca)
Side
Bay/Gulf
Flood Zone
AE-7
Alternate Key #
1413488
Parcel #
00335840-000000
Zoning
RM - Residential Medium
Deed Restrictions
Unknown
Legal
BK 10 LOT 10 AND W 1/2 LOT 11 KEY COLONY SUBD 4 PB4-23 KEY VACA
Taxes
13239.87
Tax Year
2024
Pub Sewer HkUp
No

Contract Information

Listing Board
Marathon/Lower Keys
As is Rght to Inspct
Yes
Potential Short Sale
No
Bank Owned
No
Species List
No

General Property Description

Realtor.COM Type
Residential - Single Family
Style
Single Family
Waterfront
Yes
Control Depth
4
Pool
Yes
Year Built
1970
Lot SqFt
12728
Lot Sqft Source
Property Data Card
Acres
0.29
Living Apx SqFt
2416
SqFt Source
Property Data Card
Total Bedrooms
5
Full Baths
4
Total Baths
4
Rentals Allowed
Yes
Min Rental Days
7
Total Units
0

Status Change Info

Under Contract Date
2025-09-14
Sold Date
2025-10-16

Association Info

Mandatory Home Owners Asc
No
1st Right of Refusal
No
Association Fee $
0

Dockage

Dock Length
100
Dock
Concrete
Seawall
Concrete

More Information

Building Style

Above Flood
Unknown
Other Bldg Style
Yes

Vehicle Storage

Car(s)
4+
Covered Parking
Yes
Garage
Yes
Open Parking
Yes
RV Parking Covered
Yes
Off Street Parking
Yes
Trailer Storage
Yes

Pool Info

Heated
Yes
In Ground
Yes

Financial Status

Auction
No
Bank Owned
No
Potential Short Sale
No
Standard Sale
Yes

Remarks & Misc

Remarks – Consumer
Tropical Waterfront Escape | 11243 3rd Avenue Gulf, Marathon, FL 33050 Welcome to your ultimate Keys getaway — a spacious and stylish waterfront retreat in the heart of Marathon that's fully equipped for vacation rental success or relaxed tropical living. With 5 bedrooms, 4 full baths, and a flexible layout that comfortably hosts up to 12 guests, this property offers a rare blend of island charm, income potential, and exceptional amenities. Step inside to discover an inviting open-concept interior featuring a chef's kitchen with a gas range, stainless appliances, and generous prep space. The primary suite is a private sanctuary complete with a king bed, sofa bed, and spa-inspired ensuite bath. Additional guest rooms are thoughtfully appointed with a mix of king, queen, and twin accommodations — ideal for large families or groups. Outdoors, unwind by the 330 sq ft private pool, complete with TWO new tiki huts — one poolside and another near the fish cleaning station for added shade and entertaining. The brand-new putting green, oversized yard, and game zone (including ping pong, Pac-Man, foosball, basketball, and giant yard games) make this home the perfect playground for all ages. Boaters and anglers will love the 115-ft private dock with water and power — plenty of room for multiple boats. A bait freezer, ice maker, and shaded cleaning station add convenience for your next big catch. There's even room to park an RV, plus additional space for cars and trailers. This property is being sold fully furnished and vacation rental ready, complete with future bookings and repeat guests, making it an easy turn-key investment. An affordable assumable flood policy sweetens the deal. Don't miss this rare opportunity to own a piece of paradise that truly has it all — space, income, lifestyle, and location. Schedule your private showing today and get ready to live the dream in the Florida Keys! Interior Photos are coming soon!
Directions
From Overseas Hwy turn towards the Gulf at 114th, Town Square Mall, turn left on 3rd Ave, house is on the left

Fee Includes

None
Yes

Tax Exemptions

None
Yes

Appliances

Dishwasher
Yes
Disposal
Yes
Oven
Yes
Range
Yes
Refrigerator
Yes
Stainless Steel Appliance(s)
Yes

Pets

Pets Allowed
Yes

Cooling

Ceiling Fans(s)
Yes
Central Air
Yes

Waterfront

Canal Front
Yes

Waterview

Canal View
Yes

Floor

Laminate
Yes
Tile
Yes

Neighborhood Feature

Airstrip
Yes
Beach
Yes
Bike Paths
Yes
Community Boat Ramp
Yes

Interior Features

Entrance Foyer
Yes
Granite Counter Top
Yes
Smoke Alarms
Yes
Walk-in Closet(s)
Yes

Property Condition

Updated/Remodeled
Yes

Specialty Rooms

Laundry Room
Yes

Windows/Doors

Impact Rstnce Window
Yes
Sliding Glass Doors
Yes

Construction

CBS
Yes

Land Size

Less Than 1/4 Acre
Yes

Furnished

Furnished
Yes

Utilities

Elect Separate Meter
Yes
FKAA
Yes
Municipal Sewer
Yes
Water Separate Meter
Yes

Porch/Balcony

Open Porch/Balcony
Yes
Patio
Yes

Exterior Features

Chickee Hut
Yes
Lighting
Yes

Roof

Shingle Roof
Yes

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Canal Front Waterview: Canal View Property Condition: Updated/Remodeled Building Style: Other Bldg Style Vehicle Storage: Garage; Covered Parking; Off Street Parking; Open Parking; RV Parking Covered; Trailer Storage Furnished: Furnished Cooling: Ceiling Fans(s); Central Air Utilities: Elect Separate Meter; FKAA; Municipal Sewer; Water Separate Meter Interior Features: Entrance Foyer; Granite Counter Top; Smoke Alarms; Walk-in Closet(s) Specialty Rooms: Laundry Room Appliances: Dishwasher; Disposal; Oven; Range; Refrigerator; Stainless Steel Appliance(s) Exterior Features: Chickee Hut; Lighting Pool Info: In Ground Construction: CBS Floor: Laminate; Tile Roof: Shingle Roof Pets: Pets Allowed Neighborhood Feature: Airstrip; Beach; Bike Paths; Community Boat Ramp Land Size: Less Than 1/4 Acre
Listing Office: Coldwell Banker Schmitt Real Estate Co.
Last Updated: September - 30 - 2026
The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.

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