Key Biscayne Waterfront Buyer Advisory
A rare waterfront estate in Key Biscayne has entered the ultra-prime conversation at the top of the Miami market. For qualified buyers, the real question is not only the asking price — it is replacement value, waterfront scarcity, regulatory constraints, privacy, access, diligence, and long-term positioning.
Le Strand is not the listing broker for 485 W Matheson Drive. The property is listed by Jill Eber and Judith “Judy” Zeder of Coldwell Banker Realty / The Jills Zeder Group. Le Strand may represent qualified buyers and coordinate any inquiry or access through the appropriate listing channels.
Evaluate the Opportunity, Not the Marketing.
The publicly marketed offering at 485 W Matheson Drive represents one of the most visible ultra-prime waterfront opportunities in South Florida. The property is listed by Jill Eber and Judith “Judy” Zeder of Coldwell Banker Realty / The Jills Zeder Group. Le Strand is not the listing broker.
For qualified buyers, the opportunity should be evaluated through a buyer-side lens: replacement value, bayfront scarcity, zoning and permitting constraints, waterfront utility, comparable estate sales, privacy, long-term liquidity, and acquisition structure.
Le Strand may assist qualified buyers with independent review, valuation context, negotiation strategy, diligence coordination, and buyer representation. Any access to the property must be coordinated through the proper listing brokerage or authorized representative.

The Diligence Behind a $200M+ Acquisition
Independent, buyer-side analysis across the factors that determine value and risk at the apex of the South Florida waterfront market.
Replacement value
Bayfront scarcity
Zoning & permitting
Waterfront utility
Comparable estate sales
Privacy & access
Long-term liquidity
Acquisition structure
Buyer-side advisory only. Property data must be independently verified; Le Strand makes no representation on behalf of the seller or listing brokerage.
Request a buyer advisory.
Inquiries regarding 485 West Matheson Drive, Key Biscayne are handled privately by the Le Strand buyer-advisory desk. Le Strand is not the listing broker — share a few details and we will respond in confidence.
- Independent, buyer-side review
- Valuation and acquisition strategy
- No obligation, fully confidential
Listing brokerage: Jill Eber and Judith “Judy” Zeder of Coldwell Banker Realty / The Jills Zeder Group.
Evaluate This Opportunity.
Define your acquisition brief in confidence. Le Strand will return with independent valuation context, strategy, and diligence — coordinating any listing-channel access on your behalf.
Information is provided for buyer advisory and market commentary purposes only. Le Strand is not the listing broker for 485 W Matheson Drive. The property is listed by Jill Eber and Judith “Judy” Zeder of Coldwell Banker Realty / The Jills Zeder Group. Property details, pricing, availability, dimensions, permits, approvals, waterfront rights, dockage rights, and historical claims must be independently verified. No representation is made without written confirmation from the appropriate parties.