Key Biscayne One Hundred
Homes for Sale in Key Biscayne, FL

KEY BISCAYNE ONE HUNDRED shows zero recorded closings in the current MLS window and no community amenities identified from active listings, which puts it outside the range of communities we can currently size up with hard transaction data.

MIAMI REALTORS sales records identify 5 homes in KEY BISCAYNE ONE HUNDRED that have changed hands since 2016, built between 1973 and 1973 (median 1973), with a median living area of about 1,242 sq ft and a typical 2-bedroom, 2-bath layout; 100% are condominiums. Source: MIAMI REALTORS closed-sale history compiled by Momentum Research; counts reflect homes with a recorded MLS sale, not every home in the community.

Pre-construction details are compiled from public records, builder announcements and builder listings, and are subject to change without notice; figures are deemed reliable but not guaranteed. Momentum Research figures are our own analysis. This page describes homes, pricing and community attributes, not residents.

Key Biscayne One Hundred is too small for its own price trend, so here is the market around it.

In ZIP 33149, 158 homes are on the market and 15% are under contract — a slower corner of Key Biscayne.

Across Miami-Dade County, 15,314 homes are active and 3,367 pending (18% under contract).

In ZIP 33149 (Key Biscayne), 134 homes closed in the last 12 months at a median of $1.49M ($921/sq ft), up 18.0% year over year, with a median 77 days on market. Right now 61 active and 13 pending listings — a buyer's market. See the live ZIP 33149 housing market and the Miami-Dade County market.

ZIP and county figures describe the wider market, not Key Biscayne One Hundred specifically. Momentum Research analysis of MLS records.

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.

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.

Listings in this community report association dues of about $1,106 per month ($13,272 a year) — the median AssociationFee across 6 MLS records, normalised to a monthly figure; most are billed monthly. Dues change with budgets and can differ by section or product type; confirm the current figure with the association before you offer. Source: MLS listing records, 2026-10.

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