10999 Ave 3rd Avenue

Marathon, FL 33050

$1,700,000

$1,363/ft²

2Beds

3Baths

1,247Sq ft

1977Year built

Single-family homeType

About this home

Unapproved Short Sale for Non-Conforming 2 Bed/3 Bath Waterfront Home in Marathon. Large corner lot with 205 feet of water frontage. First floor has non-conforming addition of 2 bedrooms and living area. Second floor nicely updated with renovated kitchen, baths and impact windows throughout.

Features

Waterfront
Private pool

Property details

Listing

MLS #: F10543646
Status: For sale
Listed on: Jan 1, 2026
Days on market: 221 days
Listing data updated: Jun 16, 2026

Interior

Beds: 2
Baths: 3
Living area: 1,247 ft²
Price per ft²: $1,363/ft²

Building & community

Type: Single-family home
Year built: 1977
County: Monroe

Lot & exterior

Lot size: 10,125 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): $8,596
Property taxes (est.): $1,558
Home insurance (est.): $600
Flood insurance (est.): —

Estimated total$10,754*/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?