401 Warren Lane

Key Biscayne FL 33149

3313 sq. ft.

8194 sq. ft.

Single-Family

Last sold for $3,000,000

Monica Veiga, last sold this property on 20 April 2026 after 222 days on market.

Overview

Welcome to your private retreat in prestigious Key Biscayne! This spacious corner residence offers 4 bedrooms and 3 baths including a separate 1/1 in-law quarters ideal for extended family, or a private home office. The main home's functional layout features 3 beds/ 2 baths, generous living areas, and a tranquil ambiance. The kitchen includes stainless steel appliances and a formal dining room. A major upgrade providing peace of mind and long-term value was completed in 2024 with a new roof. Situated on a lush, tree-lined street, the property offers serene outdoor living with room for a pool. Enjoy the exclusive island lifestyle with access to top-rated schools, beaches, parks, marinas, and dining just minutes away. Ideal for buyers ready to make it their own in a prime neighborhood.

Features

4 bedrooms

3 bathrooms

2 carspaces

2 carport spaces

3313 sq. ft. floor area

8194 sq. ft. lot size

Single-Family

Estimated Value

Based on this property and similar 4 bedroom single-family properties sold in Key Biscayne over the last 12 months, the estimated median property value of 401 Warren Lane is $3.23m.

Median value

$3.23m

Estimated value range

$2.6m - $4.47m

Median days on market

179

Estimated value trend

increase over the last 12 months

Average days on market is based on recent, comparable sales in Key Biscayne. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.

Property history for 401 Warren Lane

2026

Rented

Undisclosed

01 Jun 2026 by One Sotheby's International Realty

2026

Sold

$3,000,000

20 Apr 2026 by Monica Veiga, of Platinum Properties Int'l Inc.

Happy sellers in Key Biscayne

We have insufficient information to provide an overview of customer satisfaction for Key Biscayne. Viewing the agent profiles, reviews and sales for Key Biscayne can provide insights for this location.