865 50th Street Gulf

Marathon, FL 33050

$4,490,000

$1,174/ft²

5Beds

4.5Baths

3,826Sq ft

2022Year built

Single-family homeType

About this home

Experience exceptional waterfront living in this 2022 built home featuring 5 bedrooms and 4.5 bathrooms, perfectly positioned on the Gulf side with breathtaking water views. The main level offers a bright and open layout designed for both comfort and entertainment. A spacious modern kitchen showcases elegant cabinetry, quartz countertops with a striking waterfall edge, and premium stainless-steel appliances. Large dining and living areas, complete with a stylish wet bar, creating the perfect space for hosting and relaxing. This level also includes a convenient half bath and a utility room with laundry. Upstairs, the second-floor features five generously sized bedrooms and four full bathrooms. The expansive primary suite offers ample space, a beautifully designed modern bathroom, and a private porch where you can enjoy breathtaking sunset views over the water. Two additional bedrooms share a Jack-and-Jill bathroom and provide access to a balcony overlooking the pool and waterfront. A fourth bedroom, currently used as a home office, is located near another full hallway bathroom. The fifth bedroom is a private suite with its own ensuite bathroom. Featuring a large patio area ideal for entertaining, a spacious pool, and a 55-foot dock, making this property perfect for boating enthusiasts and waterfront relaxation. Additional highlights include a large two-car plus garage with ample storage space. Boat Lift plans have already been approved and permits granted and available.

Features

Waterfront

Property details

Listing

MLS #: A11981197
Status: For sale
Listed on: Mar 6, 2026
Days on market: 156 days
Listing data updated: Aug 6, 2026

Interior

Beds: 5
Baths: 4.5
Living area: 3,826 ft²
Price per ft²: $1,174/ft²

Building & community

Type: Single-family home
Year built: 2022
County: Monroe

Lot & exterior

Lot size: 7,128 ft²
Waterfront: Yes

Days on market, price per ft² and the monthly HOA amount are calculated by this site from the MLS data shown; the association fee is normalized to a monthly figure.

True monthly cost

Mortgage (principal & interest): $22,704
Property taxes (est.): $4,116
Home insurance (est.): $600
Flood insurance (est.): —

Estimated total$27,420*/mo

* Some cost lines aren't available yet for this listing; the total shown is incomplete.

Based on 20% down, a 6.5% rate and a 30-year loan, plus this home's estimated Florida carrying costs. All figures are illustrative estimates — not quotes, not financial or insurance advice.

Sources: flood zone — FEMA National Flood Hazard Layer; mortgage, taxes and insurance figures — this site's own estimates; HOA / CDD — as reported for this listing.

What will this home really cost you?