Warren Lane, Key Biscayne, FL
Everything we know about Warren Lane in Key Biscayne: what is for sale, what has sold, what the homes are like and which communities the street runs through — from the MLS record and county parcel data, refreshed nightly.
25 homes sit on Warren Lane in Key Biscayne, FL (ZIP 33149), built 1950–2024, a typical 2,600 sq ft with 4 bedrooms. 4 are for sale right now from $3,730,000 to $8,000,000. Homes that sold since 2023 went for a median $3,250,000.
For sale on Warren Lane now
The homes on Warren Lane
25 single-family. Built by decade: 1950s 15, 1990s 3, 2000s 3, 2010s 3, 2020s 1.
Last recorded sales (parcel record)
| Address | Sold | Date | Built | Sq ft |
|---|---|---|---|---|
| 401 Warren Lane | $3,000,000 | 2026-04-20 | 1951 | 2,958 |
| 650 Warren Lane | $6,350,000 | 2025-07-31 | 2024 | 3,525 |
| 515 Warren Lane | $3,250,000 | 2025-04-08 | 1952 | 2,030 |
| 442 Warren Lane | $2,800,000 | 2024-12-18 | 1950 | 1,044 |
| 422 Warren Lane | $2,850,000 | 2024-11-18 | 1950 | 2,262 |
| 630 Warren Lane | $3,610,000 | 2023-06-30 | 1994 | 3,058 |
| 445 Warren Lane | $4,350,000 | 2023-04-04 | 2004 | 4,315 |
| 545 Warren Lane | $1,900,000 | 2021-09-19 | 1952 | 2,058 |
| 485 Warren Lane | $1,850,000 | 2021-06-15 | 1950 | 1,284 |
| 660 Warren Lane | $1,875,000 | 2021-03-29 | 1990 | 2,821 |
| 455 Warren Lane | $1,800,000 | 2020-12-17 | 1951 | 2,151 |
| 605 Warren Lane | $1,910,000 | 2020-10-30 | 1950 | 2,376 |
| 475 Warren Lane | $1,250,000 | 2020-10-02 | 1950 | 1,433 |
| 472 Warren Lane | $2,400,000 | 2020-08-14 | 1990 | 3,775 |
| 544 Warren Ln | $1,085,000 | 2020-06-18 | 1951 | 1,044 |
| 631 Warren Lane | $3,050,000 | 2018-06-11 | 2013 | 3,500 |
| 560 Warren Lane | $1,400,000 | 2018-02-05 | 1950 | 2,226 |
| 561 Warren Lane | $1,260,000 | 2017-12-05 | 1951 | 2,092 |
| 691 Warren Lane | $1,895,100 | 2016-12-20 | 1950 | 2,488 |
| 573 Warren Lane | $3,000,000 | 2016-04-06 | 2012 | 3,844 |
Communities along Warren Lane
- Tropical Isle Homes · 11 homes on the street
- Biscayne Key Estates · 4 homes on the street
- Tropical Isle Homes · 3 homes on the street
- Biscayne Key Estates · 3 homes on the street
- Tropical Isle Homes · 2 homes on the street
- Tropical Isle Homes · 1 homes on the street
- Biscayne Key Estates · 1 homes on the street
How to read this
Home counts, build years, sizes and last sales come from the county parcel record joined to MLS history; listings and 12-month closings from the live MLS feeds as of October 15, 2026. Listings appear courtesy of the listing brokerage under IDX rules; information deemed reliable but not guaranteed. See also all 83 homes for sale in Key Biscayne, homes for sale in 33149.