CondoHub · The Miami Condo Atlas

Grand Bay Tower Condo

430 Grand Bay Dr · Key Biscayne, FL 33149 · Key Biscayne

On the market3Built1999Floors14Residences100Median $/SF · 12 mo$1,327

Grand Bay Tower Condo is a 14-story condominium completed in 1999 with 100 residences on record with the Miami-Dade Property Appraiser at 430 Grand Bay Dr in Key Biscayne, Florida 33149. As of September 14, 2026: 3 units for sale from $3.4M, 1 sale closed in the last 12 months at a median $1,327/SF, 6 leases signed. About 50% of units are owner-occupied per county records.

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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.

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The read

What the numbers say.

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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.

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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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