205 Stirrup Key Boulevard

Marathon, FL 33050

$2,249,000

$659/ft²

4Beds

3Baths

3,414Sq ft

2007Year built

Single-family homeType

About this home

Over 3400 sqft of Luxury Living is featured with this 2007 custom built CBS in the gated community of Stirrup Key Sub in Marathon. Elevated water views, a deeded boat slip, protected community marina, multiple outdoor living areas and a private pool. Designed for both everyday comfort and entertaining, this multi-level home offers generous interior space, flexible living areas, and a thoughtful indoor-outdoor layout. The ground level features a three-car garage, ample storage, and direct access to the pool area, creating an easy flow for relaxing, hosting, and enjoying the Keys lifestyle. The second floor serves as the main living level with two bedrooms, two full baths, a full kitchen, and open living and dining areas that extend onto a large screened lanai. This level is ideal for casual gatherings, quiet mornings, and evening breezes. The third floor offers a private primary suite, sitting area or fourth bedroom, bar/kitchenette, fireplace, spa-style bath, and an expansive lanai with peaceful elevated views. A spiral staircase leads to the fourth-floor widow's walk, finished with travertine flooring and a water hookup. From this vantage point, panoramic views stretch across Marathon and toward the Gulf, creating a quiet setting for sunrise, sunset, and open-air relaxation. A private nature path winds through preserved surroundings and leads to a Gulf-front observation dock, ideal for wildlife viewing and enjoying the surrounding natural setting. Additional features include a lift to the second floor for added convenience. Centrally located in Marathon, the home offers convenient access to shopping, dining, & daily necessities. With a deeded marina slip, elevated water views, pool, garage space, storage, multiple lanais, and a flexible custom layout, this property offers a rare combination of privacy, space, and boating access in Marathon. Schedule a private showing to experience this custom home and deeded marina slip in person.

Features

Waterfront
Private pool

Property details

Listing

MLS #: R11162784
Status: For sale
Listed on: Feb 9, 2026
Days on market: 181 days
Listing data updated: Aug 7, 2026

Interior

Beds: 4
Baths: 3
Living area: 3,414 ft²
Price per ft²: $659/ft²

Building & community

Type: Single-family home
Year built: 2007
HOA fee: $212/mo
County: Monroe

Lot & exterior

Lot size: 11,425 ft²
Waterfront: Yes
Private pool: 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): $11,372
Property taxes (est.): $2,062
Home insurance (est.): $600
Flood insurance (est.): —
HOA fee: $212

Estimated total$14,246*/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?