171 Avenue D, Marathon, FL 33050 (MLS# 621168)

171 Avenue D, Marathon, FL 33050

$2,395,000

Property Type: Residential Bedrooms: 4 Baths: 3 Square Footage: 2,088 Lot Size (sq. ft.): 5,184 Status: Active

Current Price: $2,395,000 List Date: 8/31/2026 Last Modified: 8/31/2026

Overview

Description

New construction waterfront living in the heart of Coco Plum. This beautifully designed 4-bedroom, 3-bath residence combines modern coastal style, exceptional outdoor living, and direct boating access in one of Marathon's most desirable waterfront neighborhoods. Thoughtfully positioned to take advantage of the setting, the home offers expansive open-water views from nearly every room and a bright, open-concept layout designed for both everyday living and entertaining. The main living level features a spacious living and dining area surrounded by natural light and water views, along with two guest bedrooms and a full bath. Upstairs, two generously sized primary suites each feature private en-suite baths and elevated panoramic views, creating peaceful private retreats above the water. Outdoor living is a true highlight, with three covered terraces spanning both levels, a large resort-style pool, and a convenient poolside prep station with sink and storage. Whether hosting guests ... (Read more)

Listing Details MLS# 621168

Location, Tax & Legal

Street #: 171
Street Name: Avenue D
Key/Island: Marathon
State/Province: FL
Zip Code: 33050
County: Monroe
Subdivision: Coco Plum (54.6)
Area: 18 - East of Holiday Inn US #1 & Coco Plum
City: MARATHON
Off Shore Island: No
Mile Marker: 54.6
Marathon Neighborhood: Coco Plum
Side: Ocean
Flood Zone: AE-7
Alternate Key #: 9103811
Handicap Access: No
Parcel #: 00363810-000210
Zoning: RM - Residential Medium
Deed Restrictions: Unknown
Legal: BK 8 WLY 43.75FT OF LT 1B COCO PLUM BEACH REPLAT PB7-66
Taxes: 10763.21
Tax Year: 2025
Pub Sewer HkUp: Yes

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: 6
Pool: Yes
Year Built: 2023
Lot SqFt: 5184
Lot Sqft Source: Property Data Card
Acres: 0.12
Living Apx SqFt: 2088
SqFt Source: Property Data Card
Total Bedrooms: 4
Full Baths: 3
Total Baths: 3
Rentals Allowed: Yes
Min Rental Days: 7
Total Units: 0

Association Info

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

Dockage

Dock: Wood
Dock Permit: Yes
Seawall: Cut/Natural
None: Yes

More Information

Building Style

Above Flood: Yes

Pool Info

Heated: Yes
In Ground: Yes
Concrete: Yes

Financial Status

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

Remarks & Misc

Remarks – Consumer: New construction waterfront living in the heart of Coco Plum. This beautifully designed 4-bedroom, 3-bath residence combines modern coastal style, exceptional outdoor living, and direct boating access in one of Marathon's most desirable waterfront neighborhoods. Thoughtfully positioned to take advantage of the setting, the home offers expansive open-water views from nearly every room and a bright, open-concept layout designed for both everyday living and entertaining. The main living level features a spacious living and dining area surrounded by natural light and water views, along with two guest bedrooms and a full bath. Upstairs, two generously sized primary suites each feature private en-suite baths and elevated panoramic views, creating peaceful private retreats above the water. Outdoor living is a true highlight, with three covered terraces spanning both levels, a large resort-style pool, and a convenient poolside prep station with sink and storage. Whether hosting guests, relaxing by the pool, or enjoying a quiet morning overlooking the water, the home is designed to embrace the Florida Keys lifestyle. Boaters will appreciate approximately 50 feet of deep-water dockage with quick ocean access, along with a fish-cleaning station, bait freezer, and covered parking for added convenience. Ideally located near Coco Plum Beach and just minutes from Marathon's dining, shopping, and attractions, this newly constructed waterfront residence offers an exceptional combination of modern comfort, boating access, privacy, and island living, perfect as a full-time residence, vacation retreat, or investment property.
Directions: US-1 to Coco Plum Drive. Follow Coco Plum Drive, then turn onto Avenue D. Continue to 171 Avenue D.

Fee Includes

None: Yes

Tax Exemptions

None: Yes

Appliances

Dishwasher: Yes
Dryer: Yes
Microwave: Yes
Oven: Yes
Range: Yes
Refrigerator: Yes
Stainless Steel Appliance(s): Yes
Washer: Yes

Pets

Pets Allowed: Yes

Cooling

Ceiling Fans(s): Yes
Central Air: Yes

Waterfront

Open Water: Yes

Waterview

Lake View: Yes
Open Water View: Yes

Floor

Tile: Yes
Vinyl: Yes

Neighborhood Feature

Airstrip: Yes
Beach: Yes
Bike Paths: Yes

Interior Features

Walk-in Closet(s): Yes

Property Condition

New Construction: Yes

Windows/Doors

Impact Rstnce Doors: Yes
Impact Rstnce Window: Yes

Vehicle Storage

Carport: Yes
Covered Parking: Yes
Open Parking: Yes

Security

No Security: 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

Roof

Metal Roof: Yes

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Open Water Waterview: Lake View; Open Water View Dockage: None Property Condition: New Construction Vehicle Storage: Carport; Covered Parking; Open Parking Furnished: Furnished Cooling: Ceiling Fans(s); Central Air Utilities: Elect Separate Meter; FKAA; Municipal Sewer; Water Separate Meter Interior Features: Walk-in Closet(s) Appliances: Dishwasher; Dryer; Microwave; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer Pool Info: In Ground; Concrete Construction: CBS Floor: Tile; Vinyl Roof: Metal Roof Pets: Pets Allowed Neighborhood Feature: Airstrip; Beach; Bike Paths Security: No Security Land Size: Less Than 1/4 Acre

Listing Office: Coldwell Banker Schmitt Real Estate Co.

Last Updated: August - 31 - 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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