KEY BISCAYNE ONE HUNDRED in Key Biscayne

KEY BISCAYNE ONE HUNDRED
Homes for Sale in Key Biscayne, FL

Community in Key Biscayne · Miami-Dade County · ZIP 33149
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True comps, carrying-cost math, and listings before the portals.

Photo via miami

Built fromLive miami data8 years of closingsUpdated twice daily
Live · KEY BISCAYNE ONE HUNDRED Housing Pulse miami + public records Analysis by Momentum Realty · $3.5B+ sold · 8,500+ transactions · Top 1% in Florida (RealTrends)
Ownership and context
71%
Cash buyers · KEY BISCAYNE ONE HUNDRED
5 of 7 sales, 12 mo ending July 2021
Jon Brooks, founder of Momentum Realty
Jon's Current Read

There is no closing activity recorded for KEY BISCAYNE ONE HUNDRED in the current window, and MLS listings do not identify a defined set of community amenities. That is not a knock on the address — it means the data set we would normally use to talk price, pace, and positioning simply is not there right now.

For a buyer or seller, that changes the approach. You cannot lean on a median or a days-on-market figure that does not exist. You lean on direct comps pulled from adjacent inventory, on agent-to-agent conversations, and on a realistic read of what similar product nearby is actually doing. That is a research problem, not a reason to avoid the community — but it does mean going in with an agent who will do that legwork rather than hand you a number.

Best for

  • Buyers comfortable relying on direct, agent-sourced comps rather than a published median
  • Sellers willing to have their agent build a custom pricing case from adjacent inventory
  • Anyone treating this address as a longer-timeline decision rather than a fast close

Probably not for

  • Buyers who need a confirmed price history before writing an offer
  • Sellers expecting to lean on recent local closings to set a list price
  • Anyone shopping specifically for a documented amenity package

The market around KEY BISCAYNE ONE HUNDRED

KEY BISCAYNE ONE HUNDRED is too small for its own price trend, so here is the market around it.

Across Miami-Dade County, 60 homes are active and 15 pending (20% under contract).

Homes here are condominium.

ZIP and county figures describe the wider market, not KEY BISCAYNE ONE HUNDRED specifically. Momentum Research analysis of MLS records.

Homes For Sale Right Now in KEY BISCAYNE ONE HUNDRED

Live MLS inventory for KEY BISCAYNE ONE HUNDRED. Every active listing, what is under contract right now, and the last 12 months of closed sales, refreshed twice a day. Closed comps beat an algorithm's guess every time.

Active and pending KEY BISCAYNE ONE HUNDRED listings as of 2026-08-17, priced high to low. Based on information from the Southeast Florida Multiple Listing Service (SEFMLS) or from MIAMI Association of REALTORS(R) for the period 2018 through 2024. Tap any home to ask about it.

If we were buying in KEY BISCAYNE ONE HUNDRED today, this is the order of operations we would run for our clients.

1

Underwrite the condition first. Price the roof, HVAC, and systems honestly before judging any list price; condition swings value here more than square footage alone.

2

Match the home to real comps. Recent sales of similar condition and lot, not the asking price, tell you what a home is worth.

3

Move deliberately, not desperately. Neither side has a decisive edge, so a well-prepared, fairly-priced offer wins without overpaying.

4

Line up financing and inspection early. A pre-approval and an inspection plan let you act fast and negotiate from evidence.

5

Keep an agent in your corner. The listing agent works for the seller; we represent you and prepare a hand-built valuation before any offer in KEY BISCAYNE ONE HUNDRED.

Best Buy
Buyers or sellers who want a direct, comp-driven read rather than a headline stat.
Biggest Risk
With zero closings in the window, pricing guidance has to come from outside this snapshot.
Sweet Spot
Works best for someone who treats this as a research project, not a quick-decision purchase.
Avoid If
Skip it if you need a documented track record in hand before you'll engage.

When the data set is the story

A community with no closings in the tracked window is either extremely thin on turnover, extremely tightly held, or simply underrepresented in current MLS activity relative to its actual footprint. We cannot tell you which from this snapshot alone, and we would rather say that plainly than manufacture a median or a pace figure that is not supported.

The absence of a listed amenity set works the same way. It does not mean there is nothing there — it means the active listings pulled into this snapshot did not carry that detail. Anyone evaluating this address should treat the MLS snapshot as a starting point, not the full picture, and expect to do some direct diligence before drawing conclusions about value or fit.

The location and the amenities are priced into every listing in KEY BISCAYNE ONE HUNDRED. The deal is won or lost on condition, the comps, and the renovation math.

Jon Brooks · Founder, Momentum Realty

Why work with Momentum here

In a community with no recent closings to anchor a conversation, the value an agent adds is almost entirely in legwork: pulling the right adjacent comps, talking to agents who have worked the address directly, and being straight with you about what we do and do not know before you make an offer or set a list price.

KEY BISCAYNE ONE HUNDRED in 15 seconds.

Best forBuyers or sellers who want a direct, comp-driven read rather than a headline stat.
Biggest advantageThin recorded activity can mean less competition for information, if you're willing to dig for it.
Biggest riskWith zero closings in the window, pricing guidance has to come from outside this snapshot.
Sweet spotWorks best for someone who treats this as a research project, not a quick-decision purchase.
Avoid ifSkip it if you need a documented track record in hand before you'll engage.

HOA, CDD & Fees

In short
  • Mandatory HOA — confirm current dues
  • Any club/amenity membership is billed separately

Confirm the current HOA dues, exactly what they cover, and any CDD bond or special assessment for a specific address before you offer.

The takeaway

Selling here is won on condition and pricing to real comps, not an automated estimate. The right number comes from closed KEY BISCAYNE ONE HUNDRED sales matched to your home.

What is your KEY BISCAYNE ONE HUNDRED home worth?

Get a no-obligation home value based on real comparable sales in KEY BISCAYNE ONE HUNDRED, not an automated guess. Tell us about your home and we will personally prepare your numbers and a pricing strategy. No obligation, no spam.

See homes for sale in KEY BISCAYNE ONE HUNDRED on the map →

Real comps, not an automated estimate.

The real cost & risk here

Before the list price, the Florida math the portals skip. These are Miami-Dade County typicals — your exact home, flood zone, and insurance quote will vary, so verify each before you offer.

$3,099/mo
Miami-Dade County typical true cost to own
$158/mo
Miami-Dade County typical home insurance
Check CDD
Confirm before you offer

County typicals from Momentum’s Florida housing data (Zillow & Realtor.com aggregates, Census, FRED), updated monthly; insurance modeled. Flood zone is property-specific — always confirm via FEMA.

How much local inventory is already under contract

16% of homes for sale in ZIP 33149 are already under contract (under contract ÷ under contract + active listings) — a read on how much of the available inventory buyers have already claimed. Source: MLS data (2026-08-18).

Frequently Asked Questions

Do cash buyers compete in KEY BISCAYNE ONE HUNDRED?
Cash buyers took 71% of KEY BISCAYNE ONE HUNDRED sales in the 12 months ending July 2021 (5 of 7 closings, miami).
Who is the best real estate agent for KEY BISCAYNE ONE HUNDRED?
The best agent for KEY BISCAYNE ONE HUNDRED is one who actively works Key Biscayne and knows the community's pricing, fees, and current inventory. Tell us what you're looking for in the form on this page and Momentum Realty will match you with a local specialist for KEY BISCAYNE ONE HUNDRED.
How do I find a top Key Biscayne real estate agent who knows KEY BISCAYNE ONE HUNDRED?
Share a few details in the form on this page. Momentum Realty has 280+ agents and more than $3.5B in closed sales, and we'll connect you with one who knows KEY BISCAYNE ONE HUNDRED and the wider Key Biscayne area.
Can Momentum Realty connect me with an agent for KEY BISCAYNE ONE HUNDRED?
Yes. Use the form on this page and we'll introduce you to a local specialist who can guide your KEY BISCAYNE ONE HUNDRED purchase or sale - no call center and no pressure.
Buyers comfortable relying on direct, agent-sourced comps rather than a published medianExcellent fit
Sellers willing to have their agent build a custom pricing case from adjacent inventoryExcellent fit
Anyone treating this address as a longer-timeline decision rather than a fast closeExcellent fit
Buyers who need a confirmed price history before writing an offerProbably not
Sellers expecting to lean on recent local closings to set a list priceProbably not
Anyone shopping specifically for a documented amenity packageProbably not

Data sources & freshness

Under-contract sharesmiami records, as of 2026-07-18
Historical depthClosed-sale records back to 2018 (16 transactions analyzed)

Verify the primary sources yourself: Florida DOR · U.S. Census · FEMA flood maps · Citizens Property Insurance.

Momentum Research figures are our own analysis of miami records; MLS data is deemed reliable but not guaranteed. Methodology: how Momentum market scores are computed. Market metrics describe homes for sale and recent sales, not residents.

Own a home here?

You just read the data. Now see what your home is worth.

The numbers on this page move markets in the aggregate. The number that matters to you is what a buyer pays for your address. Momentum sells for 1.25% above the miami member average and 8 days faster, and we’ll price yours against live your area comps.

Looking to buy here? Search homes for sale →

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Thinking of selling in KEY BISCAYNE ONE HUNDRED? See the Miami-Dade County sell-now-or-wait data, what made 201,552 Florida listings fail in the last 12 months, or compare a cash offer vs. listing. Compiled from MLS records; deemed reliable but not guaranteed.
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