Dimare Collection

Price Ranges for New Condos in Key Biscayne: What Affects Asking Prices?

In a new development the price is not set unit by unit by the market: the developer sets it with an internal price list where every floor, every orientation and every sales phase carries its own value. Understanding that list is what lets you read a Key Biscayne listing without taking the salesperson's word for it.

The gap between two units in the same Key Biscayne project is almost always explained by variables the developer controls and does not negotiate: height above the street, which way the facade faces, whether the view is protected or can be blocked by a neighbouring lot, the finish level in the schedule of specifications, and the sales phase you enter in. On top of that sits what the price includes and what it does not: parking, storage, appliances, developer closing charges. Two listings in the same building can describe different products, and the distance between them lives in the finishes schedule, not in the rendering.

Key Biscayne moves through a different channel because the village keeps its own permit counter and because everything that reaches the island crosses a single bridge. For a buyer abroad that is not scenery, it is logistics. The contractor quoting a renovation prices in travel and the delivery window in which material can be unloaded; the appraiser and the inspector your lender sends depend on that same bridge; and scheduled work can stop because of a closure nobody told the buyer about. On top of that, the county does not grant the approval: height, setback, landscaping and dune protection rules are set by the village, and when the parcel touches the shore a state authority enters as well, so a wall, a dock or a pool may require more than one file. Ask your insurance broker how the carrier reads the exposure of that specific parcel and what it requires before issuing; ask your closing attorney whether dune restrictions or easements are recorded on title; ask the village which work is approved at the counter and which goes before a board. It also pays to learn who manages the building or the association, because on a small island the manager is the person who actually answers.

What is specific to Key Biscayne

A barrier island with its own village government, reached only by the Rickenbacker Causeway, with large parks at both ends. Oceanfront towers, low-rise buildings and a core of single-family homes inland. A single tolled road in; there is no rail and no alternative if the causeway closes.

  • what the single road implies: evacuation, rush hour and closures for works or events
  • the parcel's coastal exposure and what that means for insurance
  • the village's own rules, which are not the county's

What to verify, step by step

  1. Ask for the project's unit-by-unit price list, not the single price for the unit you are shown, and ask which sales phase is open.
  2. Ask in writing what the advertised price includes and what is billed separately: parking, storage, appliances and developer charges.
  3. Compare the full floor plan to see the unit's real orientation and what faces an interior courtyard, because that cannot be changed later.
  4. Check with the county permitting centre what is approved or in process on neighbouring lots, because a clear view today can be sold as permanent without being so.
  5. Request the schedule of finishes and the material substitution clause, which is where the product you are paying for is actually defined.
  6. Have a Florida-licensed broker independent of the developer review the offer before you sign the reservation.

Mistakes that cost money

  • Comparing a low-floor unit with a high-floor unit in the same project as if they were the same product: the developer never treated them as equal.
  • Assuming a view is protected when it only depends on the lot next door staying empty.
  • Taking the rendering and the model unit as a description of the finish you contracted.

Frequently asked questions

Why does the developer not publish an open price list?
Because it manages prices by sales phase and adjusts them. Ask for it in writing with a date and ask which phase is open at that moment.
Does the advertised price include parking?
That depends entirely on the project. Ask in writing before reserving, because afterwards it goes into the deed as it stood.
Can you know whether the view will stay clear?
It cannot be guaranteed, but you can check what is approved or in process on the neighbouring lots at the county permitting centre.

Where to check it

Official bodies. Specific figures are requested there, not copied from a listing.

Updated 2026-11-06

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Dimare Collection does not sell or broker property in Miami. This is an informational page: transactions are carried out by brokers licensed in the state of Florida. This text is not legal, tax, immigration or mortgage advice; it describes what to ask and whom to ask. The rules and bodies cited can change: always confirm with the official source. Operated by Nisimblat Consulting SAS.