Private maritime opportunities, handled with discretion.
For owners, authorised representatives and qualified buyers seeking a controlled route to sale, exchange or acquisition—without public exposure before the mandate is ready.
Illustrative generated film · not a current listing or offer for sale
Facilitated, not presumed available
A controlled route into a specialist market.
Substrat can receive a buyer requirement or private owner mandate, coordinate initial information and help structure the next conversation. We do not represent an asset as available until authority, core facts and publication approval are established.
Owner mandates
Private intake, authority review and controlled presentation to suitable counterparties.
Buyer sourcing
A structured requirement covering vessel class, intended use, range, location and budget.
Transaction preparation
Coordination of core records for independent legal, technical, registry and financial review.
Introductions
Discreet engagement with appropriate brokers, advisers and counterparties where suitable.

Monaco · maritime context
Global context. Local accountability.
Established yachting centres illustrate the international nature of specialist transactions. Flag, registry, beneficial ownership, classification, maintenance, tax, sanctions and title checks may span several jurisdictions and require independent professionals.
Confidential handling
Independent specialist checks
Written authority before marketing
Published catalogue
Confirmed opportunities only.
Nothing appears as available here unless it has been approved and published in the Substrat marketplace.
No public inventory in this category.
Tell us privately what you own or what you are seeking. We will not imply availability until a specific opportunity is verified and approved for publication.
