127 Seaside Ave

Key Largo, FL 33037

$2,345,000

$1,367/ft²

4Beds

2Baths

1,716Sq ft

1962Year built

Single-family homeType

About this home

Ocean views, deepwater dockage, it is being replaced 6/2026, and the rare ability to legally operate nightly rentals. This exceptional oceanfront duplex offers a standout turnkey investment opportunity, combining the perfect trifecta for your portfolio: panoramic ocean views, deepwater dockage, and approved nightly rental capability. An ideal multi-family compound and a rare chance to own a fully versatile, income-producing Keys property. Enjoy oceanfront living with two beautifully updated units, each featuring 2 bedrooms and 1-bathroom, separate entrances, and its own oceanfront porch. Boating enthusiasts will appreciate the 100 feet of concrete dockage with immediate ocean access, along with the unique benefit of ownership of the ocean bottom, offering added value. Zoning permits rentals with a minimum stay of just one night, giving you maximum income potential or the option to enjoy it as a private getaway. Whether you're looking to expand your investment portfolio or create your future oceanfront dream home, this duplex offers unmatched versatility and incredible potential in a beautiful setting. Plenty of parking and room for a pool, expansion or redevelopment!

Features

Waterfront

Property details

Listing

MLS #: A11940846
Status: For sale
Listed on: Jan 7, 2026
Days on market: 214 days
Listing data updated: Jun 10, 2026

Interior

Beds: 4
Baths: 2
Living area: 1,716 ft²
Price per ft²: $1,367/ft²

Building & community

Type: Single-family home
Year built: 1962
County: Monroe

Lot & exterior

Lot size: 12,348 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): $11,858
Property taxes (est.): $2,150
Home insurance (est.): $600
Flood insurance (est.): —

Estimated total$14,608*/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?