CondoHub · The Miami Condo Atlas

Key Colony No 4 Condo

121 Crandon Blvd · Key Biscayne, FL 33149 · Key Biscayne

On the market1Built1981Floors4Residences300

Key Colony No 4 Condo is a 4-story condominium completed in 1981 with 300 residences at 121 Crandon Blvd in Key Biscayne, Florida 33149. As of September 14, 2026: 1 for lease from $3,500/mo, 3 leases signed.

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The numbers · live market + full history

What's moving here.

MLS via Bridge IDX

House rules · from the association

What this building allows.

Association rules change — I confirm the current bylaws and application requirements before you write an offer or sign a lease.

The read

What the numbers say.

Same skyline

Around this building.

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Building data from Miami Assoc. of REALTORS® MLS records via Bridge IDX. Satellite thumbnails © Esri, Maxar, Earthstar Geographics. Distances are straight-line.

The free building report

Everything this building's record holds. In plain English.

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What you'll get back

Closed history — every recorded sale and rental in the building.
$/SF trend — where it's been trading, year over year.
What's available now — actives, pendings, and the honest read on pricing.

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