In Miami’s ultra-luxury market, a $100 million property is not simply a larger version of a luxury home.
At this level, buyers are evaluating something entirely different: scarcity, land, privacy, waterfront, location, and long-term significance. The residence matters, of course, but the most valuable properties are often defined less by the house itself and more by what can never be recreated.
That is especially true in Miami, where waterfront land is finite and the city’s most desirable residential corridors have become increasingly difficult to enter.
The Five Qualities of a True $100 Million Property
- Irreplaceable Land
The first question is not always, “How large is the house?”
It is often, “How rare is the land?”
Large parcels in Miami’s prime waterfront neighborhoods are exceptionally difficult to assemble today. Once a mature waterfront market is built out, land becomes the true luxury. Homes can be renovated, expanded, or replaced. A 1.5- or 2-acre bayfront site in the right location cannot be duplicated.
This is one reason properties such as 3149 Brickell Avenue in Coconut Grove, FL stand apart. With 1.61 acres and more than 170 feet directly on Biscayne Bay, the value is rooted in the land, the frontage, and the setting. The property is currently offered at $110,000,000.
- Significant Waterfront
Not all waterfront is equal.
At the highest end of the market, buyers look closely at water frontage, view corridors, privacy, and the feeling of arrival from both land and water. A property with a wide bay view and substantial frontage offers a different experience than a standard canal-front home or a narrow waterfront lot.
Waterfront also brings emotional value. Sunrise over Biscayne Bay, marine life and unobstructed views are lifestyle features that cannot be replicated through design alone.
- Privacy Without Isolation
The best trophy properties feel private, but they are not inconvenient.
This is where Miami has become especially compelling. A buyer can own a secluded waterfront estate while remaining minutes from an international airport, private aviation, financial services, world-class dining, schools, marinas, art, sports, and beaches.
For 3149 Brickell Avenue, the location between Coconut Grove and Downtown Miami is one of its strongest differentiators. It offers the serenity of Biscayne Bay while sitting close to Brickell, Key Biscayne, Miami Beach, and Miami International Airport. That balance of retreat and access is difficult to find.
- A Market With Global Demand
Miami is no longer just a seasonal luxury market. It is a global wealth market.
The movement of major companies, founders, investors, and executives to South Florida has changed the buyer pool. Citadel announced Miami as its new global headquarters in 2022, and recent reporting continues to connect Miami’s growth to CEOs, billionaires, and major company relocations.
Florida’s tax structure is also part of the conversation for many ultra-high-net-worth buyers. The Florida Department of Revenue states that Florida does not impose a personal income tax, which is one of the reasons the state remains attractive to residents relocating from higher-tax jurisdictions.
- The Ability to Become a Legacy Property
A true trophy property is not bought only for today.
It is bought because it may never be available again.
The world’s most significant estates are often held for generations. Their value is not only in bedrooms, baths, or finishes, but in their scarcity and permanence. They become family compounds, long-term holdings, and symbols of place.
That is the lens through which $100 million properties should be evaluated.
Miami’s Publicly Reported $100 Million+ Residential Listings
The following list includes publicly reported Miami-Dade County residential properties that have been marketed, listed, or reported at $100 million or more. Private whisper listings and unverified off-market offerings are not included unless publicly reported by a credible source. Status and pricing can change quickly.
|
Property |
Location |
Reported Asking Price |
Notes |
|
485 W. Matheson Drive |
Key Biscayne |
$237M |
Publicly reported as the “Scarface”/former Nixon-linked estate; 2.38 acres on Key Biscayne. (The Wall Street Journal) |
|
7 Indian Creek Island Road |
Indian Creek Village |
$200M |
Listed in 2025 and sold in 2026 for $170M, setting a Miami-Dade residential sale record. (Miami Herald) |
|
9 Indian Creek Island Road |
Indian Creek Village |
$200M |
Vacant waterfront lot originally listed for $200M; later sold for $105M. (The Real Deal) |
|
600–620 Arvida Parkway |
Coral Gables / Gables Estates |
$175M |
Waterfront Gables Estates property publicly listed at $175M. (Zillow) |
|
5940 North Bay Road |
Miami Beach |
$169M |
North Bay Road estate publicly reported at $169M; later reported off-market/under construction. (The Real Deal) |
|
190 Palm Avenue |
Miami Beach / Palm Island |
$150M |
Palm Island compound publicly listed at $150M, later reduced/removed according to listing history. (Zillow) |
|
3149 Brickell Avenue |
Coconut Grove |
$110M |
1.61-acre Biscayne Bay estate with 170+ feet of waterfront, offered at $110M. (Zillow) |
|
3100 North Bay Road |
Miami Beach |
$100M |
Listed at the $100M threshold on North Bay Road. (Realtor) |
|
1420 W. 23rd Street |
Miami Beach / Sunset Islands III |
$110M |
Also marketed as part of “Sunset Estates,” this newly built waterfront compound offers 9 beds, 9 full baths, 2 half baths, 10,791 SF of living area, more than 32,000 SF of land, and 187 feet of combined water frontage. |
Why the Comparison Matters
The point of studying this small group of properties is not simply to compare price tags.
It is to understand what the market is rewarding.
The most significant Miami properties at this level tend to share the same characteristics: large waterfront land, exceptional privacy, substantial frontage, recognizable locations, and the potential to serve as long-term holdings. Some are turnkey estates. Some are redevelopment opportunities. Some are land plays with a residence in place.
For the sophisticated buyer, that distinction matters.
A $100 million purchase is not only about what exists today. It is about what can be created, protected, enjoyed, and held in one of the most supply-constrained waterfront markets in the country.
In Miami, the rarest opportunity may not be the newest house.
It may be the land that can never be replaced.
Frequently Asked Questions
What makes a property worth $100 million in Miami?
A $100 million property is typically defined by irreplaceable land, major waterfront frontage, privacy, location, views, and long-term scarcity. The house is important, but the land often drives the value.
Why is waterfront land so valuable in Miami?
Miami’s prime waterfront is finite. Once large parcels are sold, redeveloped, or held long-term, comparable opportunities become increasingly difficult to find.
Are $100 million buyers usually purchasing the existing house?
Not always. Many ultra-high-net-worth buyers are purchasing the land, location, privacy, water frontage, and future potential. The home may be renovated, expanded, or replaced.
Why is Coconut Grove important in Miami’s ultra-luxury market?
Coconut Grove offers lush waterfront living, proximity to Downtown Miami and Brickell, access to Biscayne Bay, and a quieter residential character than many denser parts of the city.
Why is 3149 Brickell Avenue considered a rare offering?
3149 Brickell Avenue combines 1.61 acres, more than 170 feet directly on Biscayne Bay, proximity to Coconut Grove and Downtown Miami, and a level of privacy that is difficult to recreate in this location.
Are there many $100 million properties in Miami-Dade County?
No. Even with Miami’s dramatic growth at the ultra-luxury level, publicly reported $100 million-plus residential listings remain extremely limited.
Ashley Cusack is a Senior Vice President at Berkshire Hathaway HomeServices EWM Realty, specializing in Miami's ultra-luxury waterfront market. She represented the 2022 sale of the Adrienne Arsht Estate — Miami-Dade County's first residential transaction to exceed $100million — and currently holds the exclusive listing for 3149 Brickell Avenue, Coconut Grove, offered at $110,000,000.
Ashley Cusack is a distinguished Senior Vice President at Berkshire Hathaway HomeServices EWM Realty, with a notable tenure in Miami's luxury real estate market.
With nearly three decades of experience, she has established herself as a leading expert in residential and waterfront properties. As a testament to her success, she has been recognized as a top producer within her brokerage, with sales volume over $1.3 billion, placing her in the top echelon of realtors nationwide. In 2022, Ashley sold the “Arsht Estate,” Miami’s only residential sale over $100M to date.
Don't hesitate to reach out to me, Ashley Cusack at {305.798.8685, email and website}. Senior Vice President, Berkshire Hathaway HomeServices EWM Realty.
