Biscayne Key Estates Homes for Sale

Biscayne Key Estates is a luxury community in Key Biscayne, Miami-Dade County, Florida. Properties are priced from $2,900,000 to $11,300,000. Pure Equity lists homes in Biscayne Key Estates and represents buyers. Commission is negotiable, and what we are paid is agreed with you in writing before you commit to anything.

Pure Equity Realty covers Biscayne Key Estates and the Key Biscayne area. We list for 1%, which includes photography, MLS syndication, and negotiation support. Buyers pay nothing for representation. For current market data, see Florida Realtors' market statistics.

Our MLS feed shows 8 Biscayne Key Estates Key Biscayne homes for sale as of October 2026. The median asking price is $5.49M. Asking prices run from $3.8M to $9.2M.

That is 111% above the Key Biscayne median of $2.6M. On a per-foot basis, homes here ask about $1,532 per square foot, compared with $1,158 across Key Biscayne. So the median price buys roughly 3,600 square feet of living area.

Listings here have averaged 138 days on the market. That tracks the Key Biscayne average of 129 days, so pricing and terms follow the wider city market.

Homes listed in Biscayne Key Estates date from 1951 to 2024. That puts them between 2 and 75 years old.

The range straddles 2002, when Florida adopted its statewide building code. Therefore two similar-looking homes here can carry very different insurance premiums. Ask for the wind mitigation report on any home you consider, since it drives much of that difference.

In addition, most Florida insurers ask for a four-point inspection on homes 30 years or older. It covers the roof, electrical, plumbing and HVAC. Updated systems usually make coverage easier to place.

At a median near $5.49M, Biscayne Key Estates sits in the luxury tier of Key Biscayne. Jumbo financing and proof of funds usually come up early in these negotiations.

Rentals in Biscayne Key Estates have a median asking rent of $20,700 per month, across 4 active rental listings. For comparison, the Key Biscayne median is $8,500, so rents here run 144% higher.

For investors, those medians imply a gross yield near 4.5% a year. However, that figure comes before HOA dues, property tax, insurance and vacancy. Also check the association documents first, because many Florida HOAs cap leases or set minimum terms.

You can browse current Key Biscayne rentals or ask us for a rent estimate on a specific Biscayne Key Estates home.

Here is what the median Biscayne Key Estates price means in Florida closing terms. At $5.49M, a 20% down payment comes to about $1.1M, leaving a loan near $4.39M.

Florida then taxes that loan twice. First, documentary stamp tax on the note runs 35 cents per $100, or about $15,369. Next, the intangible tax of 0.2% adds about $8,782. Buyers normally pay both at closing.

On the seller side, Miami-Dade charges deed stamps of 60 cents per $100 on a single-family home, about $32,934 at this price. Condos and other property types pay a higher rate.

Finally, owner-occupants should file for the Florida homestead exemption by March 1. It removes up to $50,000 of assessed value. After that, Save Our Homes caps yearly assessment increases at 3% or inflation, whichever is lower. To see what these numbers mean for your budget, get pre-approved before you tour.

Recent Biscayne Key Estates listings show assignments to Key Biscayne K-8 (elementary), Ponce De Leon (middle) and Coral Gables (high). However, boundaries can change each year, so confirm the assignment for a specific address with Miami-Dade County Public Schools.